Check valves

GENUINE EQUIPMENT

Tecofi swing, spring and butterfly-type check valves in brass, bronze, stainless or cast iron, threaded BSP or wafer between flanges. CAD supplies datasheets, CO/CQ and advice matched to your pipework.

Tecofi check valves

A check valve lets the medium flow one way only and closes by itself on reverse flow, protecting pumps and pipework. Tecofi offers three types: swing, spring and butterfly (dual-plate) check valves in brass, bronze, stainless or cast iron, with BSP threads at both ends or wafer between flanges.

TypeModelMaterialsConnectionWorking pressure
SwingCB2143WBronze body, NBR discBSP female both ends20 bar
SwingCB6140CF8M stainless body, 304 stainless discBSP female both ends16 bar
SwingCB4248A-MMDuctile iron EN-GJS-500-7 body, ductile iron and brass discPN10/PN16 flanged16 bar
SpringCA1142, CA1100CW617N brass body, nylon disc, stainless springBSP female both ends16 bar
SpringCR3201, CR6146316 stainless (CR3201); 304 stainless and nylon (CR6146)BSP maleSee datasheet
ButterflyCB3448N, CB4448-EPCast or ductile iron body; ductile iron plateBetween PN10/16, ASA150 flanges16 bar
ButterflyCB3449-EPA, CB4449-EACast or ductile iron body; 316 stainless plateBetween PN10/16, ASA150 flanges16 bar
ButterflyCDB6461-VI316 stainless body and plate, FPM seatPN10/16/25/40, ASA150/30040 bar

Brands listed here: Tecofi. CAD sends datasheets, size tables and CO/CQ, and advises on the valve type by mounting position (vertical or horizontal), medium and pressure.

See also: Industrial valves, Water and HVAC valves, Butterfly valves, Gate valves.

Swing, spring or butterfly check valve?

A swing valve has a clear bore and is usually fitted on horizontal pipes; a spring valve closes fast and fits several orientations; a butterfly type is compact and clamped between flanges. Tell CAD the mounting direction and flow and we will pick the type.

What do you need for a quote?

The DN, pressure, temperature, medium and connection type (threaded or flanged).

Frequently asked questions

What is a check valve for?

A check valve lets the medium flow in one direction only and closes by itself when the flow reverses, which protects pumps and pipework. Tecofi offers three types: swing, spring and butterfly (wafer) check valves, with brass, bronze, stainless steel or cast iron bodies.

What are Tecofi check valves made of, and what pressure do they handle?

Per the datasheets, the CB2143W with a bronze body is rated 20 bar; the CB6140 with a CF8M stainless steel body and the CA1142 with a brass body are rated 16 bar; the CB4248A-MM with a ductile iron EN-GJS-500-7 body is rated 16 bar. The CDB6461-VI butterfly type, in 316 stainless steel with FPM seals, reaches 40 bar.

What connections do Tecofi check valves have?

Swing and spring types have female BSP threads at both ends (CR3201 and CR6146 have male BSP threads); the CB4248A-MM is flanged PN10/PN16. The butterfly types fit between flanges PN10/16 and ASA150; the CDB6461-VI covers PN10/16/25/40 and ASA150/300. Tell CAD which connection you need and CAD will pick the right model.

Where can I buy genuine Tecofi check valves?

You can buy genuine Tecofi check valves from CAD. CAD sends the datasheet, dimension table and CO/CQ, helps you choose the type by installation position, medium and pressure, and replies with a quote within 24 working hours when you send a request on the contact page.

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