Inline Check Valves, For Hydraulic (Up To 12 GPM) & Pneumatic Service

Description & Features

Application	Free flow is permitted in the direction of the arrow; positive check in the opposite direction. Brass valves for use in pneumatic systems and lower pressure hydraulic systems. Steel valves for use in hydraulic systems. Pressure ratings in tables are for non-shock service.
Features	Low pressure differential required to open & close.
Materials	Body: Available in Brass, Carbon Steel or Stainless Steel.

Model Number	Size	Thread 1	Materials	Maximum Operating Pressure	Rated Flow	CV Factor	Cracking Pressure (psi)	A	C	E	Price	Action
C20B Hydraulic/Pneumatic Check Valve	1/4	1/4-18 NPT	Brass	2000	3	0.5400	1 to 2.5	0.88	0.36	2
C30B Hydraulic/Pneumatic Check Valve	1/2	1/2-14 NPT	Brass	2000	8	1.4700	1 to 2.5	1.31	0.47	2.66

Question by: Tommy R on Apr 9, 2025, 8:10 PM

How much pressure does it take to get this thing open and flowing?

Answer by: Customer Support on Apr 11, 2025, 3:14 PM

These inline check valves require only a low-pressure differential to open and close, so they'll work well in lower pressure systems.