Max pressure at 20 °C (bar) info

Vacuum (bar) info

Max temperature (°C)

Min temperature (°C)

Kv value (m3/h) info

With lock spring

With balance weight

stainless steel check valves

A stainless steel check valve allows fluid to flow only in one direction. This prevents the flow of fluid in the back direction, which could cause contamination or damage to other components. Check valves work automatically and do not need to... Read more Read more

Product Brand Connection size Max pressure at 20 °C (bar) Seal material Valve shape Connection type Min pressure difference (bar) Material quality Material Min temperature (°C) Max temperature (°C) With lock spring With balance weight Valve bore (mm) Width (mm) Height (mm) Surface protection Model Article compression class Angle of non-return valve (°) Outer pipe diameter, all connections (mm) Kv value (m3/h) Vacuum (bar) Check valve feature Approval Wrench width (mm)
G1/2'' Stainless Steel 304...
In stock
Tameson 1/2 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.25 Stainless steel 304 (1.4301) Stainless steel -20 150 Yes No 0 66 32 Untreated Straight PN 16 0 0 - - - - -
G1'' Stainless Steel 304...
In stock
Tameson 1 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.35 Stainless steel 304 (1.4301) Stainless steel -20 150 Yes No - 83 55 Untreated Straight PN 16 - - - - - - -
G3/4'' Stainless Steel 304...
In stock
Tameson 3/4 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.35 Stainless steel 304 (1.4301) Stainless steel -20 150 Yes No - 72 45 Untreated Straight PN 16 - - - - - - -
G1'' Stainless Steel 316 Y...
In stock
Tameson 1 inch 40 Teflon (PTFE) Angle seat spring closed Inner thread cylindrical... 0.4 Stainless steel 316 (1.4408) Stainless steel -20 200 Yes No 22.5 90 75 Untreated Straight PN 40 0 0 - - - - -
G1/2'' Stainless Steel 316...
In stock
Tameson 1/2 inch 40 Teflon (PTFE) Angle seat spring closed Inner thread cylindrical... 0.4 Stainless steel 316 (1.4408) Stainless steel -20 200 Yes No 11.5 65 52 Untreated Straight PN 40 0 0 - - - - -
G3/4'' Stainless Steel 316...
In stock
Tameson 3/4 inch 40 Teflon (PTFE) Angle seat spring closed Inner thread cylindrical... 0.4 Stainless steel 316 (1.4408) Stainless steel -20 200 Yes No 17.4 75 62 Untreated Straight PN 40 0 0 - - - - -
G1/4'' Stainless Steel 316...
In stock
Tameson 1/4 inch 40 Teflon (PTFE) Angle seat spring closed Inner thread cylindrical... 0.4 Stainless steel 316 (1.4408) Stainless steel -20 200 Yes No 11.5 65 52 Untreated Straight PN 40 0 0 - - - - -
G2'' Check Valve Stainless...
In stock
Tameson 2 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.03 Stainless steel 316 (1.4401) Stainless steel -20 150 Yes No 0 123 89 Untreated Straight PN 16 0 0 59 - - - -
G3/8'' Stainless Steel 316...
In stock
Tameson 3/8 inch 40 Teflon (PTFE) Angle seat spring closed Inner thread cylindrical... 0.4 Stainless steel 316 (1.4408) Stainless steel -20 200 Yes No 11.5 65 52 Untreated Straight PN 40 0 0 - - - - -
G1/2'' Stainless Steel 316...
+14 days
Mondeo 1/2 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.03 Stainless steel 316 (1.4401) Stainless steel -20 150 - - 15 56 32 - Straight PN 16 0 0 6 0 Reinforced pin Drinking water, NSF ANSI 61 0
G3/8'' Stainless Steel 304...
+2 days
Tameson 3/8 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.25 Stainless steel 304 (1.4301) Stainless steel -20 150 Yes No 0 66 32 Untreated Straight PN 16 0 0 - - - - -
G3/4'' Check Valve...
+3 days
Tameson 3/4 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.03 Stainless steel 316 (1.4401) Stainless steel -20 150 Yes No 0 70 44 Untreated Straight PN 16 0 0 10 - - - -
G1-1/4'' Check Valve...
+3 days
Tameson 1 1/4 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.03 Stainless steel 316 (1.4401) Stainless steel -20 150 Yes No 0 99 62 Untreated Straight PN 16 0 0 31 - - - -
G1-1/4'' Stainless Steel...
+2 days
Tameson 1 1/4 inch 40 Teflon (PTFE) Angle seat spring closed Inner thread cylindrical... 0.4 Stainless steel 316 (1.4408) Stainless steel -20 200 Yes No 30 110 85 Untreated Straight PN 40 0 0 - - - - -
G1/2'' Check Valve...
+3 days
Tameson 1/2 inch 16 FKM (FPM) Inline spring closed Inner thread cylindrical... 0.03 Stainless steel 316 (1.4401) Stainless steel -20 150 Yes No 0 55 32 Untreated Straight PN 16 0 0 5 - - - -
stainless steel check valves

stainless steel check valves

A stainless steel check valve allows fluid to flow only in one direction. This prevents the flow of fluid in the back direction, which could cause contamination or damage to other components. 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). The housing of these valves is made out of stainless steel. To further understand check valves, read our technical article or contact us.

Stainless steel housing

Stainless steel has very good overall chemical resistance to almost any medium. The material is highly wear, temperature and pressure resistant. Temperatures and pressures of valves are usually limited by the seal material and by the force needed to open the valve at high pressures. Besides that the temperature resistance of the actuator can also be a limitation. However, it is not suitable for hydro chloric acids, chlorides, bromine and household bleach. Swimming pool water has a low concentration of chlorides and therefore usually stainless steel 316 is used.