Watts 0061935 1/2" Dual Check Valve

Watts 0072203 1/2" Dual Check Valve This 1/2 by 1/2 IN lead free dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. This valve consists of a lead free brass body construction, with two plastic replaceable check valves and stainless steel springs. It is designed for non-health hazard residential water system containment, continuous pressure applications and is to be installed immediately downstream of the residential water meter, in a vertical or horizontal position. The minimum working ...

3/4" FNPT In-Line Brass Check Valve with Stainless Steel Poppet. The Model 400 uses a stainless steel poppet for a metal-to-metal seal without the use of an o-ring and is best suited for heavy industrial usage. Product is Made in the USA. Maximum working pressure 200 psi, Maximum temperature 300°F, Cracking pressure 1-2 lbs. Use with hot water, cold water, steam, oil, gas, compounds, chemicals. Not for air compressor use.

Watts 0792093 3/4" Dual Check Valve This 3/4 inch hose bibb vacuum breaker is designed specifically for wall and yard hydrants to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of lead free body construction, stainless steel working parts, a rubber diaphragm and disc, and a draining stem. It permits manual draining for freezing conditions. The maximum pressure is 125 PSI (8.6 bar).

8" T-311 Cast Iron Swing Check Valve Features: Swing-check design is ideal for all basic commercial/industrial general backflow prevention applications Durable cast iron construction resists pipeline stresses and distortion IBBM design: Iron-body-bronze-mount, with bronze body seat and flapper-disc sealing rings. The pliable rings provide an improved seal over plain iron-on-iron designs Class 125/150 full-face flange-type end connections All external surfaces are primed and painted for corrosion resistance Can be installed in either vertical (upward flow only) or horizontal (cover ...

3" FNPT In-Line Brass Check Valve with Buna-N Rubber Poppet. The unique poppet design is more durable than an o-ring, because of its solid steel internal insert. Product is Made in the USA. Maximum working pressure 200 psi, Maximum temperature 225°F, Cracking pressure 1-2 lbs. For use with oil, diesel fuel, kerosene, mineral oil, alcohol, and hydraulic fluids. Not for air compressor use.