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 Seal Valve shape Material Min pressure difference (bar) Article compression class Connection type Max pressure at 20 °C (bar) Min temperature (°C) Max temperature (°C) Material quality Surface protection With lock spring With balance weight Width (mm) Height (mm) Model Valve bore (mm) Kv value (m3/h)
G1/2'' Stainless Steel 304...
£34.59 (£28.59 excl vat)
In stock
Tameson 1/2 inch FKM (FPM) Inline spring closed Stainless steel 0.25 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 304 (1.4301) Untreated Yes No 66 32 Straight - -
G3/4'' Stainless Steel 304...
£34.47 (£28.49 excl vat)
In stock
Tameson 3/4 inch FKM (FPM) Inline spring closed Stainless steel 0.35 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 304 (1.4301) Untreated Yes No 72 45 Straight - -
G3/8'' Stainless Steel 304...
£29.88 (£24.69 excl vat)
In stock
Tameson 3/8 inch FKM (FPM) Inline spring closed Stainless steel 0.25 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 304 (1.4301) Untreated Yes No 66 32 Straight - -
G1'' Stainless Steel 304...
In stock
Tameson 1 inch FKM (FPM) Inline spring closed Stainless steel 0.35 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 304 (1.4301) Untreated Yes No 83 55 Straight - -
G1'' Stainless Steel 316 Y...
In stock
Tameson 1 inch Teflon (PTFE) Angle seat spring closed Stainless steel 0.4 PN 40 Inner thread cylindrical... 40 -20 200 Stainless steel 316 (1.4408) Untreated Yes No 90 75 Straight 22.5 -
G1/2'' Stainless Steel 316...
£64.36 (£53.19 excl vat)
In stock
Tameson 1/2 inch Teflon (PTFE) Angle seat spring closed Stainless steel 0.4 PN 40 Inner thread cylindrical... 40 -20 200 Stainless steel 316 (1.4408) Untreated Yes No 65 52 Straight 11.5 -
G1/4'' Stainless Steel 304...
£25.28 (£20.89 excl vat)
In stock
Tameson 1/4 inch FKM (FPM) Inline spring closed Stainless steel 0.25 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 304 (1.4301) Untreated Yes No 66 32 Straight - -
G3/4'' Stainless Steel 316...
£71.26 (£58.89 excl vat)
In stock
Tameson 3/4 inch Teflon (PTFE) Angle seat spring closed Stainless steel 0.4 PN 40 Inner thread cylindrical... 40 -20 200 Stainless steel 316 (1.4408) Untreated Yes No 75 62 Straight 17.4 -
G1/4'' Stainless Steel 316...
£63.21 (£52.24 excl vat)
In stock
Tameson 1/4 inch Teflon (PTFE) Angle seat spring closed Stainless steel 0.4 PN 40 Inner thread cylindrical... 40 -20 200 Stainless steel 316 (1.4408) Untreated Yes No 65 52 Straight 11.5 -
G3/8'' Stainless Steel 316...
£63.21 (£52.24 excl vat)
In stock
Tameson 3/8 inch Teflon (PTFE) Angle seat spring closed Stainless steel 0.4 PN 40 Inner thread cylindrical... 40 -20 200 Stainless steel 316 (1.4408) Untreated Yes No 65 52 Straight 11.5 -
G3/4'' Check Valve...
£65.51 (£54.14 excl vat)
+4 days
Tameson 3/4 inch FKM (FPM) Inline spring closed Stainless steel 0.03 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 316 (1.4401) Untreated Yes No 70 44 Straight - 10
G1-1/4'' Check Valve...
£98.85 (£81.69 excl vat)
+4 days
Tameson 1 1/4 inch FKM (FPM) Inline spring closed Stainless steel 0.03 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 316 (1.4401) Untreated Yes No 99 62 Straight - 31
G1-1/4'' Stainless Steel...
£103.44 (£85.49 excl vat)
+4 days
Tameson 1 1/4 inch Teflon (PTFE) Angle seat spring closed Stainless steel 0.4 PN 40 Inner thread cylindrical... 40 -20 200 Stainless steel 316 (1.4408) Untreated Yes No 110 85 Straight 30 -
G1-1/4'' Stainless Steel...
+4 days
Tameson 1 1/4 inch FKM (FPM) Inline spring closed Stainless steel 0.4 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 304 (1.4301) Untreated Yes No 105 70 Straight - -
G1/2'' Check Valve...
£51.72 (£42.74 excl vat)
+4 days
Tameson 1/2 inch FKM (FPM) Inline spring closed Stainless steel 0.03 PN 16 Inner thread cylindrical... 16 -20 150 Stainless steel 316 (1.4401) Untreated Yes No 55 32 Straight - 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.