Item # 6253G8Y, 6200 Series Poppet Check Valves On Hoke Inc.

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	Item # 6253G8Y, 6200 Series Poppet Check Valves

Specifications

Connections - Inlet		1/2" Gyrolok

Connections - Outlet		1/2" Gyrolok

Body Material		316 Stainless Steel

Operating Pressure Range		6000 psig at 70° F (414 bar at 21° C)

Operating Temperature Range		Buna N: -40 to +200, Viton: -20 to +350 ºF Buna N: -40 to +93, Viton: -29 to +177 ºC

Orifice		0.422 in 10.7 mm

Cv		0.3, 2.4

C Hex		1.25 in 32 mm

D Hex		1 1/4 in 32 mm

E		3.50 in 89 mm

Features & Benefits		O-ring seat provides leak-tight shutoff Internal design guides flow around or inside spring, not through coils, when valve is open All models are tested in production to assure a leak-tight body joint and seat Ball and poppet designs are available as standard Ball type provides effective leak-tight closure with minimum flow resistance Poppet models provide large fl ows with a minimum of chatter and fluctuation Valves are available with various cracking pressures, from 1/3 to 25 psig (0 to 2 bar). 2-piece body permits interchangeability of end connections Special High Tolerance NPT Thread

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	· Materials of Construction

	· Flow Curve

	· Other Differential Cracking Pressures

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		Catalogs & Assembly Instructions

Item # 6253G8Y, 6200 Series Poppet Check Valves