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Non-return valves
All-position stainless steel holding valve 316
€46.25i.e. €38.54 excl. VAT
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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.
Go to size: 1/8"1/4"3/8"1/2" · 15/213/4" · 20/271" · 26/341"1/4 · 33/421"1/2 · 40/492" · 50/603"S60x6 / S100x8NPTCamlock
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?
With a caliper, measure the outside diameter of a male (thread visible on the outside) or the inside diameter of a female (thread inside the hole), at the root of the thread.
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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Stainless ball for tap float with threaded stem
€60.13i.e. €50.11 excl. VAT
Pressure reducers
adjustable piston reducer. Iso 228-1 "Gas" female connection (BSPP). Indicator of the direction of fluid on body. Disassembly possible for maintenance.
€84.72i.e. €70.60 excl. VAT
Pressure reducers
Adjustable membrane reducer. indicator of the direction of fluid on body. 1/4" pressure gauge sockets. Disassembly possible for maintenance.
€432.41i.e. €360.34 excl. VAT
Screw-on brass fittings
This 1/2 union fitting with flat EPDM gasket guarantees leak-free and reliable connections for your plumbing installations. Made from forged brass , it withstands a pressure of 10 bar and is perfectly suited for gas connections ISO 228-1. Sold in pairs for professional and domestic projects, it...
€27.82i.e. €23.19 excl. VAT
Screw-on brass fittings
Make it easy to maintain your networks with the M/F Straight Union with Conical Reach (P/N 222). Made of CW617N 4MS brass , this "3-piece" fitting is certified for drinking water and HVAC systems, withstanding up to 16 bar of pressure. Its...
€8.53i.e. €7.11 excl. VAT
Screw-on brass fittings
Make professional removable joints with the brass flap collar nut (Art. No. 1612). Made of CW617N brass that meets drinking water standards, this forged fitting can withstand up to 16 bar of pressure. Designed for a flat gasket seal over a...
€1.33i.e. €1.11 excl. VAT
Compression fittings
The Compression Polypropylene Tee for PVC Flexible Pool Hose is the ideal glue-free bypass solution for your hydraulic networks. Equipped with a POM ring for maximum grip and a chlorine-resistant EPDM seal , it guarantees an immediate and...
€27.42i.e. €22.85 excl. VAT
Compression fittings
The Male Compression Adapter for PVC Flexible Pool Hose is the ideal solution for connecting your flexible pipes to tapped equipment without gluing. Equipped with a POM ring for maximum grip and a chlorine-resistant EPDM seal , it guarantees...
€11.52i.e. €9.60 excl. VAT
Brass compression fitting
The 7000 series brass straight connector, short model, offers a compact and ultra-resistant connection solution (PN 25 bar) for your PE networks. Designed in CW617N brass with a short "G" thread in accordance with ISO 228-1, it ensures a guaranteed flat joint seal thanks to its wide reaches. Certified for...
€16.79i.e. €13.99 excl. VAT
Brass compression fitting
The 7000 series brass coupling sleeve is designed for PE pipes with steel tube dimensions, offering exceptional strength up to PN 25 bar. Certified for drinking water and compliant with DIN 8076, it uses an extra-large chrome-plated nut and H62 notched ring for secure and durable tightening. It is the ideal...
€25.04i.e. €20.87 excl. VAT
Brass compression fitting
The 7000 Series Brass Compression Straight Fitting with Female Free Nut facilitates your connections to fixed threads without twisting the PE tube. Certified PN 25 bar and compliant with DIN 8076, it offers guaranteed flat joint tightness thanks to its wide reaches. Made of CW617N brass and certified for...
€20.48i.e. €17.07 excl. VAT