Check Valves - O-Ring Check Valves

Check Valves - O-Ring Check Valves
Pressures to 21,000 psi
MAXIMATOR o-ring check valves provide high quality directional flow control and tight shutoff for liquids and gases. All check valves are supplied with glands and collars. These check valves are not to be used as a relief device.

Materials.

Body, cover, poppet, cover gland: 316 series stainless steel

Spring: 300 series stainless steel

O-ring: Viton “A” (-4°F to 392°F)

Valve Pattern

Catalog Number	Connection Type	Pressure Rating (psi)	Orifice (in.)	Rated (Cv)	Dimensions (in.)
Catalog Number	Connection Type	Pressure Rating (psi)	Orifice (in.)	Rated (Cv)	A (Hex.)	B

21OC4M	4MF	21,000	0.125	0.28	0.88	2.91
21OC6M	6MF	21,000	0.219	0.84	1.06	3.31
21OC9M	9MF	21,000	0.359	2.30	1.44	4.21
21OC12M	12MF	21,000	0.516	4.70	2.00	5.43
21OC16M	16MF	21,000	0.688	7.40	2.00	6.57

CAUTION: FREQUENT INSPECTIONS of O-Rings are necessary to ensure proper service of the check valve. O-Rings have shown satisfactory service life in testing, however different service conditions may lead to variations in cycle and shelf life. All dimensions are for reference only and subject to change. All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.

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