Check Valves:

Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves. 
Check Valves: Learn more

Product Name Notes
1 1/2" 071-45 deg. Ball Check Valve
1 1/2" 072- Ball Check Valve
1 1/2" 073- Piston Check Valve
1 1/2" 074 -- Vertical Poppet Check Valve
1 1/2" 075 -- Horizontal Poppet Check Valve
1" 071-45 deg. Ball Check Valve
1" 072- Ball Check Valve
1" 073- Piston Check Valve
1" 074 -- Vertical Poppet Check Valve
1" 075 -- Horizontal Poppet Check Valve
1/2" 072- Ball Check Valve
1/2" 073- Piston Check Valve
10" 070 Swing Check Valve-Lined Wafer
12" 070 Swing Check Valve-Lined Wafer
2" 071-45 deg. Ball Check Valve
2" 072- Ball Check Valve
2" 073- Piston Check Valve
2" 074 -- Vertical Poppet Check Valve
2" 075 -- Horizontal Poppet Check Valve
3" 070 Swing Check Valve-Lined Wafer
3" 071-45 deg. Ball Check Valve
3" 072- Ball Check Valve
3" 073- Piston Check Valve
3" 074 -- Vertical Poppet Check Valve
3" 075 -- Horizontal Poppet Check Valve
3/4" 072- Ball Check Valve
3/4" 073- Piston Check Valve
4" 070 Swing Check Valve-Lined Wafer
4" 071-45 deg. Ball Check Valve
4" 072- Ball Check Valve
4" 073- Piston Check Valve
4" 074 -- Vertical Poppet Check Valve
4" 075 -- Horizontal Poppet Check Valve
6" 070 Swing Check Valve-Lined Wafer
6" 072- Ball Check Valve
6" 073- Piston Check Valve
6" 074 -- Vertical Poppet Check Valve
6" 075 -- Horizontal Poppet Check Valve
8" 070 Swing Check Valve-Lined Wafer
8" 074 -- Vertical Poppet Check Valve
8" 075 -- Horizontal Poppet Check Valve
Lined valves and accessories use fluorocarbons such as PFA, PVDF, PTFE, PFA-AS (antistatic), and UHMWPE upon customer request. The melt process allows the liner to be locked into dovetails, locking...