Quick Detail:
Type: Bolted Cover Piston Check Valve.
Material: ASTM A105N.
Valve Size: 1 Inch.
Applicable Pressure Rating: Class 800 LB.
Temperature Rating:Up to 500℃.
Molding Style:Forging.

Product Range:
Material: ASTM A105, ASTM A350 LF2, ASTM A182 F5, ASTM A182 F22, ASTM A182 F304, ASTM A182 F304L, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F347, ASTM A182 F321, ASTM A182 F51, ASTM A182 F55, Inconel Alloy, Monel Alloy, Hastelloy Alloy.
Standards: API 608, BS5351, ASME B16.34/ B16.11/ B1.20.1/ B16.25.
Valve Size: 1/2 - 4 Inch.
Applicable Pressure Rating: Class 150 LB - 1500 LB.
Temperature Rating:Up to 500℃.
Molding Style: Forging.

FORGED STEEL LIFT CHECK VALVE - Bolted Cover.

STANDARD MATERIALS

	PART NAMES	MATERIALS
	BODY	ASTM A105, ASTM A350 LF2, ASTM A182 F5, ASTM A182 F22, ASTM A182 F304, ASTM A182 F304L, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F347, ASTM A182 F321, ASTM A182 F51, ASTM A182 F55, Inconel Alloy, Monel Alloy, Hastelloy Alloy.
	BONNET	ASTM A105, ASTM A350 LF2, ASTM A182 F5, ASTM A182 F22, ASTM A182 F304, ASTM A182 F304L, ASTM A182 F316, ASTM A182 F316L, ASTM A182 F347, ASTM A182 F321, ASTM A182 F51, ASTM A182 F55, Inconel Alloy, Monel Alloy, Hastelloy Alloy.
	SEAT	ASTM A105 + HF
	DISC	ASTM A276 420
	GASKET	304 + GRAPHITE
	COVER BOLT	ASTM A193 B7

	PRESSURE TEST ( A105 )
	CLASS	SHELL (psig)	BACKSEAT(psig)	SEAT(psig)
		WATER	WATER	AIR	WATER
	150LB	450	-	-	325
	300LB	1125			825
	600LB	2225			1650
	800LB	2975			2170
	900LB	3350			2450
	1500LB	5575			4100

Design and Manufacture Conform to: API 602, BS 5352, ASME B16.34/ B16.11/ B1.20.1/ B16.25.

Structure Features:
★ End Connection: Threaded, Socket-Welded or Butt-Welded
★ Bolted Cover  
★ Reduce Bore / Full Bore