brass check valves

A brass 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... Read more Read more

Product Brand Connection size Material Seal material Recommended for Connection type Min temperature (°C) Min pressure difference (bar) Max temperature (°C) Max pressure at 20 °C (bar) Kv value (m3/h) Valve shape Valve bore (mm) Model Surface protection Height (mm) Width (mm) Article compression class Vacuum (bar) With strainer basket
G1/4'' check valve...
In stock
AZ Pneumatics 1/4 inch Brass FKM (FPM) Air, Fuel, Lubricant, Oil,... Inner thread cylindrical... 0 0.1 110 10 0.82 Inline spring closed 7 Straight Untreated 34 13 PN 10 - -
G1/2'' Brass Check Valve...
In stock
Tameson 1/2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 25 4.74 Inline spring closed 15 Straight - 30 50 PN 25 0 -
G3/4'' Brass Check Valve...
In stock
Tameson 3/4 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 25 8.7 Inline spring closed 20 Straight - 36.5 57 PN 25 0 -
G1'' Brass Check Valve NBR...
In stock
Tameson 1 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 25 13.61 Inline spring closed 25 Straight - 43 65 PN 25 0 -
G1 1/4'' Brass Check Valve...
In stock
Tameson 1 1/4 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 18 21.38 Inline spring closed 32 Straight - 53 70 - 0 -
G1'' Brass Foot Valve NBR...
In stock
Tameson 1 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 60 - - Inline spring closed 25 - - 83 - - - Yes
G1/2'' Brass Foot Valve NBR...
In stock
Tameson 1/2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 60 - - Inline spring closed 15 - - 58 - - - Yes
G2'' Brass Check Valve NBR...
In stock
Tameson 2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 18 46.7 Inline spring closed 50 Straight - 79.5 81.5 - 0 -
G3/4'' Brass Foot Valve NBR...
In stock
Tameson 3/4 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 60 - - Inline spring closed 20 - - 70.5 - - - Yes
G1 1/2'' Brass Check Valve...
+28 days
Tameson 1 1/2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 18 31.63 Inline spring closed 40 Straight - 64.5 75.5 - 0 -
G1 1/2'' Chromed Brass...
+28 days
Tameson 1 1/2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 18 35.3 Inline spring closed 40 Straight Chromium-plated 62.5 93 - 0 -
G2'' Chromed Brass Check...
+28 days
Tameson 2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 18 50.6 Inline spring closed 50 Straight Chromium-plated 77.5 100 - 0 -
G3'' Brass Check Valve NBR...
+28 days
Tameson 3 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 12 111.5 Inline spring closed 80 Straight - 124 113 - 0 -
G1 1/4'' Chromed Brass...
+28 days
Tameson 1 1/4 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 18 22.1 Inline spring closed 32 Straight Chromium-plated 51.5 82 - 0 -
G2 1/2'' Brass Check Valve...
+28 days
Tameson 2 1/2 inch Brass NBR (nitrile rubber) Air, Alcohols, Lubricant,... Inner thread cylindrical... -20 0.04 100 12 78.77 Inline spring closed 65 Straight - 104 104 - 0 -
brass check valves

brass check valves

A brass 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 brass, which is a cost-effective alternative to stainless steel for many applications. To further understand check valves, read our technical article or contact us.

Brass housing

Brass is used as the housing material. Brass is an alloy of copper and zinc and has great mechanical properties. Brass check valves are known for their durability and can be used with drinking water, gas, mineral oils, compressed air and many other non-aggressive media. But they are not suitable for use with salt water or distilled water due to the risk of dezincification. Dezincification reduces the mechanical strength of the brass by causing the zinc to be removed from the alloy resulting in a porous structure.