Johnson valves offer spring loaded check valves and spring assisted check valves.
Adjustable spring loaded check valve.
Parker provides the industry s widest selection of check valves available in a variety of end connections.
1 4 to 2 in.
All 316 stainless steel threaded fnpt y type check valve.
Our range includes in line disc duel plate double and swing type for a wide variety of duties and applications.
All valve seats shall be epdm.
And 6 to 25 mm in size.
Pipe end from 1 4 to 1 2 in.
All thermoplastic check valves shall be adjustable spring check type constructed from pvc type i astm d 1784 cell classification 12454.
All valves shall have external arrow flow indicator.
Pressure flow control pressure chemfeed flow control solenoid valves.
4 in spring loaded pvc cpvc.
600 psi temp max.
Our check valves utilize a variety of media including oil air and water and are made from materials such as aluminum stainless steel brass and carbon steel.
Nds flow management formerly flo control offers a range of specialty fittings.
Our valves are used in a diverse range of applications from air and fuel systems to load holding.
And working pressures to 3000 psig in 316 ss and brass.
Adjustable poppet check valves for cracking pressure from 3 to 650 psig.
Jv080001 brass spring loaded check non return valve nbr seals.
Strataflo 2 npt check valve lead free bronze 1 psi cracking pressure 400 psi spring loaded inline check valve nsf 372 certified f300 200 5 0 out of 5 stars 1 129 40 129.
Easily adjusts to hold back from 5 to 32 feet of pressure head 1 psi 2 3 feet of head for each full turn of the adjustment screw.
450 f 230 c same as 816 with adjustable spring optional tension.
In line adjustable spring check valves features pvc adjustable feature allows control of back pressure in sys tem reduces water hammer and prevents siphoning.
Patented spring loaded teflon soft seated plunger optional encapsulated spring with all 316ss internals.
All valves shall be pressure rated to 200 psi water at 73 f as manufactured by spears manufacturing company.