There are 191 products
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Outer pipe diameter (mm)

Max pressure at 20 °C (bar) info

With strainer basket

Kv value (m3/h) info

Max temperature (°C)

Vacuum (bar) info

check valves

Check valves (also called non-return valve, one-way valve) are used to allow the flow of fluid in only one direction. They prevent the flow of fluid in the other direction.  Check valves work automatically and do not need to be operated. Most... Read more Read more

There are 191 products
Show 191 products
Product Brand Connection size Material Seal material Valve shape Max pressure at 20 °C (bar) Min pressure difference (bar) Connection type Article compression class Valve bore (mm) Kv value (m3/h) Min temperature (°C) Max temperature (°C) Surface protection Model Height (mm) Width (mm) Angle of non-return valve (°) Outer pipe diameter, all connections (mm) Vacuum (bar) Wrench width (mm) Material quality Check valve feature Approval Outer pipe diameter (mm) Diameter size (mm) With strainer basket
G1/4'' check valve...
In stock
AZ Pneumatics 1/4 inch Brass FKM (FPM) Inline spring closed 10 0.1 Inner thread cylindrical... PN 10 7 0.82 0 110 Untreated Straight 34 13 0 0 - - - - - - - -
G1/8'' check valve...
In stock
AZ Pneumatics 1/8 inch Brass FKM (FPM) Inline spring closed 10 0.1 Inner thread cylindrical... PN 10 5.2 0.45 0 110 Untreated Straight 39 16 0 0 - - - - - - - -
G3/8'' Brass Check Valve...
In stock
Tameson 3/8 inch Brass NBR (nitrile rubber) Inline spring closed 12 0.02 Inner thread cylindrical... PN 12 0 2.11 -20 100 Untreated Straight 46.5 34.5 0 0 - - - - - - - -
G1/2'' Brass Check Valve...
In stock
Tameson 1/2 inch Brass NBR (nitrile rubber) Inline spring closed 25 0.04 Inner thread cylindrical... PN 25 15 4.74 -20 100 - Straight 30 50 0 0 0 0 - - - - - -
G3/4'' Stainless Steel 316...
In stock
Tameson 3/4 inch Stainless steel Teflon (PTFE) Angle seat spring closed 40 0.4 Inner thread cylindrical... PN 40 17.4 - -20 200 Untreated Straight 62 75 0 0 - - Stainless steel 316 (1.4408) - - - - -
G1'' Brass Check Valve NBR...
In stock
Tameson 1 inch Brass NBR (nitrile rubber) Inline spring closed 25 0.04 Inner thread cylindrical... PN 25 25 13.61 -20 100 - Straight 43 65 0 0 0 0 - - - - - -
G3/4'' Brass Check Valve...
In stock
Tameson 3/4 inch Brass NBR (nitrile rubber) Inline spring closed 25 0.04 Inner thread cylindrical... PN 25 20 8.7 -20 100 - Straight 36.5 57 0 0 0 0 - - - - - -
G1'' Stainless Steel 304...
In stock
Mondeo 1 inch Stainless steel FKM (FPM) Inline spring closed 16 0.03 Inner thread cylindrical... PN 16 25 18.7 -20 150 - Straight 53 83 0 0 0 0 Stainless steel 304 (1.4301) - - - - -
G1/2'' PA Check Valve NBR...
In stock
Mondeo 1/2 inch Polyamide (PA) NBR (nitrile rubber) Inline spring closed 6 0.03 Inner thread cylindrical... PN 6 15 5.8 -25 90 - Straight 40 63 0 0 0 0 - - - - - -
G1 1/4'' Brass Check Valve...
In stock
Tameson 1 1/4 inch Brass NBR (nitrile rubber) Inline spring closed 18 0.04 Inner thread cylindrical... - 32 21.38 -20 100 - Straight 53 70 0 0 0 0 - - - - - -
G1/4'' Stainless Steel 304...
In stock
Mondeo 1/4 inch Stainless steel FKM (FPM) Inline spring closed 16 0.03 Inner thread cylindrical... PN 16 8 2.5 -20 150 - Straight 32 56 0 0 0 0 Stainless steel 304 (1.4301) - - - - -
G1/2'' Stainless Steel 304...
In stock
Mondeo 1/2 inch Stainless steel FKM (FPM) Inline spring closed 16 0.03 Inner thread cylindrical... PN 16 15 6 -20 150 - Straight 32 56 0 0 0 0 Stainless steel 304 (1.4301) - - - - -
G1/2'' Stainless Steel 316...
In stock
Mondeo 1/2 inch Stainless steel FKM (FPM) Inline spring closed 16 0.03 Inner thread cylindrical... PN 16 15 6 -20 150 - Straight 32 56 0 0 0 0 Stainless steel 316 (1.4401) Reinforced pin Drinking water, NSF ANSI 61 - - -
G3/4'' Stainless Steel 304...
In stock
Mondeo 3/4 inch Stainless steel FKM (FPM) Inline spring closed 16 0.03 Inner thread cylindrical... PN 16 20 10.8 -20 150 - Straight 44 67 0 0 0 0 Stainless steel 304 (1.4301) - - - - -
G1/2'' Stainless Steel 304...
In stock
Tameson 1/2 inch Stainless steel FKM (FPM) Inline spring closed - 0.03 Inner thread cylindrical... - 15 - -20 150 - - 32 - - - - - - - - 0 0 Yes
check valves

check valves

Check valves (also called non-return valve, one-way valve) are used to allow the flow of fluid in only one direction. They prevent the flow of fluid in the other direction.  Check valves work automatically and do not need to be operated. Most available types have a small spring to close the valve, the medium pressure in the forward direction opens the valve. Note that there is a minimum pressure required to open the valve (usually called cracking pressure).