Fittings: pro, plumbing and watering connections | Multitanks

Fittings

The "Fittings" category of multitanks.com offers you a complete range of solutions to connect and secure your equipment, whether for industry, agriculture or the home. Find all the types of essential fittings, from those suitable for tanks IBC plumbing fittings, not to mention specialized fittings such as Guillemin, Camlock, Express, or stainless steel and food-grade models. Designed to ensure optimal compatibility and reliability, our fittings are selected to meet durability and safety requirements, even in the most demanding environments. Whether you need a quick coupling for a specific project or a robust solution for intensive use, multitanks.com offers a variety of fittings that adapt to the needs of each user. Enjoy a quick and easy shopping experience, with the assurance of finding a professional-quality fitting at a great value.

Got a part in your hand and need to know what screws onto it? Our fitting finder starts from your thread and lists every compatible part, with the inch / millimetre conversion.

Not sure which fitting you need? Tell us what you have, we show you what screws onto it — live prices and stock.

Pipe thread chart: inch / mm conversion (BSP, 15/21, 20/27, S60x6)

A “1/2 inch” thread measures 20.96 mm, not 12.7: in plumbing, the inch size is not converted, it is read from a chart. Here you will find the inch / mm correspondence of every common thread (BSP or “gas thread”, French names 15/21 · 20/27 · 26/34, NPT, S60x6 IBC tanks, Guillemin, Camlock, PVC), a tool that identifies your thread and the fitting that goes with it, and the pitfalls to avoid.

Which thread do you have? Which fitting do you need?

No need to know the name of your thread. Tell us what you need to connect to, or type what you know (“20/27”, “3/4 inch”, “S60x6”, “26.4 mm”): we identify the thread and show you the fittings that go with it. Dimensions according to ISO 228, ISO 7 and ASME B1.20.1.

20/27 · 26/34BSP / gas S60x6 · S100x8Camlock Guillemin DNNPT
✔ Shipped next working day from our stock✔ 4.5/5 from more than 6,400 customer reviews✔ Not sure? Describe what you need, we will find the fitting with you⎙ Printable thread gauge (PDF, actual size)

No need to know the name of your thread. Just answer the question: what do you need to connect to?

You already know the name of your thread? Type it the way you say it: 20/27, 26/34, 3/4 inch, S60x6… everything works.

Examples:

Tell us what you have and what you want to get: we look for the matching fitting in our catalogue.

Keeps only parts whose material is known and matches, for every part of the solution.
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Malleable Cast Iron Female-Female Sleeve with Black HeartMalleable Cast Iron Female-Female Sleeve with Black Heart
      €1.51i.e. €1.26 excl. VAT
      Malleable Cast Iron Female-Female Sleeve with Black HeartMalleable Cast Iron Female-Female Sleeve with Black Heart
          €1.51i.e. €1.26 excl. VAT
          Malleable Cast Iron Female-Female Sleeve with Black HeartMalleable Cast Iron Female-Female Sleeve with Black Heart
              Malleable Cast Iron Fittings with Black Core | EN 10242
              The Female-Female sleeve made of malleable cast iron with black core is a reliable junction fitting for network continuity. Manufactured in EN-GJMB-350-10 and compliant with EN 10242 and ISO 49 standards, it provides a robust connection for water, gas, steam and HVAC systems. Its two cylindrical female threads (Rp) are optimized to accommodate the tapered...
              €1.51i.e. €1.26 excl. VAT
              Mixed items
              Malleable Cast Iron Female-Female Sleeve with Black HeartMalleable Cast Iron Female-Female Sleeve with Black Heart
                  Malleable Cast Iron Fittings with Black Core | EN 10242
                  The Female-Female sleeve made of malleable cast iron with black core is a reliable junction fitting for network continuity. Manufactured in EN-GJMB-350-10 and compliant with EN 10242 and ISO 49 standards, it provides a robust connection for water, gas, steam and HVAC systems. Its two cylindrical female threads (Rp) are optimized to accommodate the tapered...
                  Mixed items
                  €1.51i.e. €1.26 excl. VAT
                  Brass fitting: Male / Male ElbowMale / Male Brass Elbow
                      €3.10i.e. €2.59 excl. VAT
                      Brass fitting: Male / Male ElbowMale / Male Brass Elbow
                          €3.10i.e. €2.59 excl. VAT
                          Brass fitting: Male / Male ElbowMale / Male Brass Elbow
                              Screw-on brass fittings
                              Male/Male Forged Brass Elbow for general plumbing connections. This threaded fitting offers exceptional robustness thanks to its machined brass construction and G gas thread conforming to ISO 228-1. Ideal for installations requiring a 90° direction change with PN 10 bar pressure rating . Professional...
                              €3.10i.e. €2.59 excl. VAT
                              Mixed items
                              Brass fitting: Male / Male ElbowMale / Male Brass Elbow
                                  Screw-on brass fittings
                                  Male/Male Forged Brass Elbow for general plumbing connections. This threaded fitting offers exceptional robustness thanks to its machined brass construction and G gas thread conforming to ISO 228-1. Ideal for installations requiring a 90° direction change with PN 10 bar pressure rating . Professional...
                                  Mixed items
                                  €3.10i.e. €2.59 excl. VAT
                                  Female-Female Conical Reach Union Fitting in Galvanized Malleable Cast IronFemale-Female Conical Reach Union Fitting in Galvanized Malleable Cast Iron
                                      Female-Female Conical Reach Union Fitting in Galvanized Malleable Cast IronFemale-Female Conical Reach Union Fitting in Galvanized Malleable Cast Iron
                                          Female-Female Conical Reach Union Fitting in Galvanized Malleable Cast IronFemale-Female Conical Reach Union Fitting in Galvanized Malleable Cast Iron
                                              The Female-Female conical span union fitting made of galvanized malleable cast iron is designed to provide a removable and highly corrosion-resistant connection. Made of EN-GJMB-350-10 and EN 10242/ISO 49 certified, it is ideal for water, gas, steam and HVAC systems, especially outdoors. The major advantage is its three-piece design with loose nut, making it easy to disassemble for...
                                              €7.84i.e. €6.53 excl. VAT
                                              Mixed items
                                              Female-Female Conical Reach Union Fitting in Galvanized Malleable Cast IronFemale-Female Conical Reach Union Fitting in Galvanized Malleable Cast Iron
                                                  The Female-Female conical span union fitting made of galvanized malleable cast iron is designed to provide a removable and highly corrosion-resistant connection. Made of EN-GJMB-350-10 and EN 10242/ISO 49 certified, it is ideal for water, gas, steam and HVAC systems, especially outdoors. The major advantage is its three-piece design with loose nut, making it easy to disassemble for...
                                                  Mixed items
                                                  €7.84i.e. €6.53 excl. VAT
                                                  Product Sheet 2 Inch Female Fitting - Male 1-1 / 2 Inch
                                                      €1.30i.e. €1.08 excl. VAT
                                                      Product Sheet 2 Inch Female Fitting - Male 1-1 / 2 Inch
                                                          €1.30i.e. €1.08 excl. VAT
                                                          Product Sheet 2 Inch Female Fitting - Male 1-1 / 2 Inch
                                                              This BSP reducer fitting allows connection between a 2 inch female element and a 1-1/2 inch male element. Made of high quality polypropylene , it guarantees perfect sealing for your IBC tank installations, irrigation systems and industrial connections. Ideal for...
                                                              €1.30i.e. €1.08 excl. VAT
                                                              No Product available
                                                              Product Sheet 2 Inch Female Fitting - Male 1-1 / 2 Inch
                                                                  This BSP reducer fitting allows connection between a 2 inch female element and a 1-1/2 inch male element. Made of high quality polypropylene , it guarantees perfect sealing for your IBC tank installations, irrigation systems and industrial connections. Ideal for...
                                                                  No Product available
                                                                  €1.30i.e. €1.08 excl. VAT
                                                                  90 ° M / F elbow or 90 ° F / F reduced PVC elbow90 M/F elbow or elbow reduces 90 degrees F/F to stick
                                                                      €5.84i.e. €4.87 excl. VAT
                                                                      90 ° M / F elbow or 90 ° F / F reduced PVC elbow90 M/F elbow or elbow reduces 90 degrees F/F to stick
                                                                          €5.84i.e. €4.87 excl. VAT
                                                                          90 ° M / F elbow or 90 ° F / F reduced PVC elbow90 M/F elbow or elbow reduces 90 degrees F/F to stick
                                                                              Our PVC-U fittings, available in 90° male/female and female/female configurations, offer a tailor-made solution for a variety of applications, including drinking water supply, irrigation, sprinkler, swimming pool systems, as well as in the chemical and food industries. Compliant with the European standard EN 1452 and ACS certified, these fittings guarantee quick installation, perfect...
                                                                              €5.84i.e. €4.87 excl. VAT
                                                                              Mixed items
                                                                              90 ° M / F elbow or 90 ° F / F reduced PVC elbow90 M/F elbow or elbow reduces 90 degrees F/F to stick
                                                                                  Our PVC-U fittings, available in 90° male/female and female/female configurations, offer a tailor-made solution for a variety of applications, including drinking water supply, irrigation, sprinkler, swimming pool systems, as well as in the chemical and food industries. Compliant with the European standard EN 1452 and ACS certified, these fittings guarantee quick installation, perfect...
                                                                                  Mixed items
                                                                                  €5.84i.e. €4.87 excl. VAT
                                                                                  Half symmetrical fitting Guillemin, firefighter, throat socket for collars - aluminum
                                                                                      Half symmetrical fitting Guillemin, firefighter, throat socket for collars - aluminum
                                                                                          Half symmetrical fitting Guillemin, firefighter, throat socket for collars - aluminum
                                                                                              The symmetrical connection with reduced ringed socket with polypropylene collar is intended to be crimped on pipes. It can be assembled by different crimping systems: stamped skirts, ruffled necklaces, strapping and notched...
                                                                                              €18.85i.e. €15.71 excl. VAT
                                                                                              Mixed items
                                                                                              Half symmetrical fitting Guillemin, firefighter, throat socket for collars - aluminum
                                                                                                  The symmetrical connection with reduced ringed socket with polypropylene collar is intended to be crimped on pipes. It can be assembled by different crimping systems: stamped skirts, ruffled necklaces, strapping and notched...
                                                                                                  Mixed items
                                                                                                  €18.85i.e. €15.71 excl. VAT
                                                                                                  Female cap with EPDM O-ringFemale cap with EPDM O-ring
                                                                                                      €1.36i.e. €1.13 excl. VAT
                                                                                                      Female cap with EPDM O-ringFemale cap with EPDM O-ring
                                                                                                          €1.36i.e. €1.13 excl. VAT
                                                                                                          Female cap with EPDM O-ringFemale cap with EPDM O-ring
                                                                                                              Threaded PVC PN16 fittings
                                                                                                              The Ezfitt female cap with EPDM O-ring (reference 5600) offers a professional sealing solution for your PVC PN16 installations. Made from high-quality PVC with integrated EPDM O-ring, it guarantees perfect sealing on cold water, hot water and industrial fluid networks. Ideal for demanding professionals and individuals seeking...
                                                                                                              €1.36i.e. €1.13 excl. VAT
                                                                                                              Mixed items
                                                                                                              Female cap with EPDM O-ringFemale cap with EPDM O-ring
                                                                                                                  Threaded PVC PN16 fittings
                                                                                                                  The Ezfitt female cap with EPDM O-ring (reference 5600) offers a professional sealing solution for your PVC PN16 installations. Made from high-quality PVC with integrated EPDM O-ring, it guarantees perfect sealing on cold water, hot water and industrial fluid networks. Ideal for demanding professionals and individuals seeking...
                                                                                                                  Mixed items
                                                                                                                  €1.36i.e. €1.13 excl. VAT
                                                                                                                  Female / Female / Female / Female PVC Cross
                                                                                                                      €5.98i.e. €4.98 excl. VAT
                                                                                                                      Female / Female / Female / Female PVC Cross
                                                                                                                          €5.98i.e. €4.98 excl. VAT
                                                                                                                          Female / Female / Female / Female PVC Cross
                                                                                                                              Codital 4-Way Female PVC-U Fitting - The professional solution for your multidirectional connections in hydraulic systems. Designed for drinking water supply, irrigation and watering, this solvent cement fitting ensures a reliable and durable installation. Compliant with European standard EN 1452 and ACS ...
                                                                                                                              €5.98i.e. €4.98 excl. VAT
                                                                                                                              Mixed items
                                                                                                                              Female / Female / Female / Female PVC Cross
                                                                                                                                  Codital 4-Way Female PVC-U Fitting - The professional solution for your multidirectional connections in hydraulic systems. Designed for drinking water supply, irrigation and watering, this solvent cement fitting ensures a reliable and durable installation. Compliant with European standard EN 1452 and ACS ...
                                                                                                                                  Mixed items
                                                                                                                                  €5.98i.e. €4.98 excl. VAT
                                                                                                                                  Malleable Cast Iron Male-Male Nipple with Black HeartMalleable Cast Iron Male-Male Nipple with Black Heart
                                                                                                                                      €1.64i.e. €1.37 excl. VAT
                                                                                                                                      Malleable Cast Iron Male-Male Nipple with Black HeartMalleable Cast Iron Male-Male Nipple with Black Heart
                                                                                                                                          €1.64i.e. €1.37 excl. VAT
                                                                                                                                          Malleable Cast Iron Male-Male Nipple with Black HeartMalleable Cast Iron Male-Male Nipple with Black Heart
                                                                                                                                              Malleable Cast Iron Fittings with Black Core | EN 10242
                                                                                                                                              The Malleable Cast Iron Male-to-Male Nipple with Black Core is a reliable junction fitting for fluid distribution and pipe line extension. Made of EN-GJMB-350-10 and EN 10242 and ISO 49 certified, it ensures a robust connection for water, gas, steam and HVAC systems. It features two tapered (R) male threads , compliant with ISO 7-1 (BSPT),...
                                                                                                                                              €1.64i.e. €1.37 excl. VAT
                                                                                                                                              Mixed items
                                                                                                                                              Malleable Cast Iron Male-Male Nipple with Black HeartMalleable Cast Iron Male-Male Nipple with Black Heart
                                                                                                                                                  Malleable Cast Iron Fittings with Black Core | EN 10242
                                                                                                                                                  The Malleable Cast Iron Male-to-Male Nipple with Black Core is a reliable junction fitting for fluid distribution and pipe line extension. Made of EN-GJMB-350-10 and EN 10242 and ISO 49 certified, it ensures a robust connection for water, gas, steam and HVAC systems. It features two tapered (R) male threads , compliant with ISO 7-1 (BSPT),...
                                                                                                                                                  Mixed items
                                                                                                                                                  €1.64i.e. €1.37 excl. VAT
                                                                                                                                                  Brass nut counterBrass nut counter
                                                                                                                                                      €2.87i.e. €2.39 excl. VAT
                                                                                                                                                      Brass nut counterBrass nut counter
                                                                                                                                                          €2.87i.e. €2.39 excl. VAT
                                                                                                                                                          Brass nut counterBrass nut counter
                                                                                                                                                              Screw-on brass fittings
                                                                                                                                                              Stabilize your installations with this high-quality brass lock nut , ideal for general plumbing and fastening wall penetrations. Designed to withstand a pressure of 16 Bar , this forged fitting provides a strong and durable lock on all ISO 228-1 compliant gas...
                                                                                                                                                              €2.87i.e. €2.39 excl. VAT
                                                                                                                                                              Mixed items
                                                                                                                                                              Brass nut counterBrass nut counter
                                                                                                                                                                  Screw-on brass fittings
                                                                                                                                                                  Stabilize your installations with this high-quality brass lock nut , ideal for general plumbing and fastening wall penetrations. Designed to withstand a pressure of 16 Bar , this forged fitting provides a strong and durable lock on all ISO 228-1 compliant gas...
                                                                                                                                                                  Mixed items
                                                                                                                                                                  €2.87i.e. €2.39 excl. VAT
                                                                                                                                                                  Simplified Guillemin symmetrical cap with handle and chain
                                                                                                                                                                      €41.88i.e. €34.90 excl. VAT
                                                                                                                                                                      Simplified Guillemin symmetrical cap with handle and chain
                                                                                                                                                                          €41.88i.e. €34.90 excl. VAT
                                                                                                                                                                          Simplified Guillemin symmetrical cap with handle and chain
                                                                                                                                                                              The simplified Guillemin symmetrical cap with aluminum handle and chain is the perfect accessory to protect your connection expectations. Made in France , this lockless model is easy to handle thanks to its ergonomic handle and always remains at hand thanks to its safety chain....
                                                                                                                                                                              €41.88i.e. €34.90 excl. VAT
                                                                                                                                                                              Mixed items
                                                                                                                                                                              Simplified Guillemin symmetrical cap with handle and chain
                                                                                                                                                                                  The simplified Guillemin symmetrical cap with aluminum handle and chain is the perfect accessory to protect your connection expectations. Made in France , this lockless model is easy to handle thanks to its ergonomic handle and always remains at hand thanks to its safety chain....
                                                                                                                                                                                  Mixed items
                                                                                                                                                                                  €41.88i.e. €34.90 excl. VAT
                                                                                                                                                                                  Té 90° Femelle / Femelle / Femelle avec dérivation centrale taraudée en PVC90° Tee Female / Female / Female with central threaded branch in PVC
                                                                                                                                                                                      €2.32i.e. €1.94 excl. VAT
                                                                                                                                                                                      Té 90° Femelle / Femelle / Femelle avec dérivation centrale taraudée en PVC90° Tee Female / Female / Female with central threaded branch in PVC
                                                                                                                                                                                          €2.32i.e. €1.94 excl. VAT
                                                                                                                                                                                          Té 90° Femelle / Femelle / Femelle avec dérivation centrale taraudée en PVC90° Tee Female / Female / Female with central threaded branch in PVC
                                                                                                                                                                                              Mixed PVC PN16 fittings (threaded and solvent-weld)
                                                                                                                                                                                              90° triple female PVC PN16 Codital tee with central threaded branch. Versatile solution for mixed connections: cementing according to EN 1452 and screwing according to ISO 228-1 . Ideal for irrigation networks, swimming pools and industrial installations. Diameters from 16 to 110mm available....
                                                                                                                                                                                              €2.32i.e. €1.94 excl. VAT
                                                                                                                                                                                              Mixed items
                                                                                                                                                                                              Té 90° Femelle / Femelle / Femelle avec dérivation centrale taraudée en PVC90° Tee Female / Female / Female with central threaded branch in PVC
                                                                                                                                                                                                  Mixed PVC PN16 fittings (threaded and solvent-weld)
                                                                                                                                                                                                  90° triple female PVC PN16 Codital tee with central threaded branch. Versatile solution for mixed connections: cementing according to EN 1452 and screwing according to ISO 228-1 . Ideal for irrigation networks, swimming pools and industrial installations. Diameters from 16 to 110mm available....
                                                                                                                                                                                                  Mixed items
                                                                                                                                                                                                  €2.32i.e. €1.94 excl. VAT