Inline Hydraulic Check Valves, For Hydraulic (Up To 55 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	High flow rating. Low pressure differential required to open & close.
Materials	Body: Available in Brass, carbon steel or stainless steel (1'' size available in naval bronze or ductile iron). Ball and Spring: Stainless steel. Ball Follower: Delrin. Retainer: Stainless steel.
Maximum Operating Temperature	200°F.

Model Number	Size	Thread 1	Materials	Maximum Operating Pressure	Rated Flow	CV Factor	Cracking Pressure (psi)	E	F
EC20S Hydraulic/Pneumatic Check Valve	1/4	1/4-18 NPT	Steel	5000	6	1.4700	1 to 2.5	0.75	2
EDC25B Hydraulic/Pneumatic Check Valve	3/8	3/8-18 NPT	Brass	2000	10	3.3000	1 to 2.5	1	2.5
EDC25S Hydraulic/Pneumatic Check Valve	3/8	3/8-18 NPT	Steel	5000	10	3.3000	1 to 2.5	1	2.5
EDC30B Hydraulic/Pneumatic Check Valve	1/2	1/2-14 NPT	Brass	2000	12	3.6000	1 to 2.5	1.13	2.88
EDC30S Hydraulic/Pneumatic Check Valve	1/2	1/2-14 NPT	Steel	5000	12	3.6000	1 to 2.5	1.13	2.88
EDC35S Hydraulic/Pneumatic Check Valve	3/4	3/4-14 NPT	Steel	5000	20	5.4100	1 to 2.5	1.38	3.25
EC10B Hydraulic/Pneumatic Check Valve	1/8	1/8-27 NPT	Brass	2000	3	0.7500	1 to 2.5	0.63	1.69
EC20B Hydraulic/Pneumatic Check Valve	1/4	1/4-18 NPT	Brass	2000	6	1.4700	1 to 2.5	0.75	2
EC40S Hydraulic/Pneumatic Check Valve	1	1-11-1/2 NPT	Steel	5000	55	9.6000	3 to 5	1.75	4.5
EDC35B Hydraulic/Pneumatic Check Valve	3/4	3/4-14 NPT	Brass	2000	20	5.4100	1 to 2.5	1.38	3.25