Inline Hydraulic Check Valves (Male Threads), For Hydraulic (Up To 15 GPM) & Pneumatic Service

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	Soft seat for bubble-tight seal (CMMO & CMMQ models). Compact overall length. Low pressure differential required to open & close.
Materials	Body: Available in Brass, Carbon Steel or Stainless Steel. Ball: Stainless steel. Retainer: Stainless steel.
Temperature Range	-30°F to 250°F (Soft seat CMMO & CMMQ models).

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Products

Model Number	Size	Thread 1	Materials	Maximum Operating Pressure	Rated Flow	CV Factor	Cracking Pressure (psi)	A	B
CMMQ20S	1/4	1/4-18 NPT	Steel	3000	2.5	0.5600	1 to 2.5	1.38	0.63
CMMQ20B	1/4	1/4-18 NPT	Brass	2000	2.5	0.5600	1 to 2.5	1.38	0.63
CMMQ30B	1/2	1/2-14 NPT	Brass	1000	10	2.7100	1 to 2.5	2.06	0.88

Inline Hydraulic Check Valves (Male Threads), For Hydraulic (Up To 15 GPM) & Pneumatic Service

Products

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