2 Inch ALLOY20 Forged Swing Check Valve Forge DN50 150LB SW Nrv Check Valve UNS N08020 Socket Weld Swing Check Valve

Forged Steel Check Valve

VERVO forged steel check valves are offered in swing type, lift type, bolted bonnet and welded bonnet design in a wide range of carbon, stainless steel, duplex stainless steel, alloy and other special materials. VERVO forged steel check valves are manufactured according to API 602 Design.

Forged check valve is to provide with single disc. With the force of medium, the disc will automatically open or close around the fixed pin shaft. When the media stops the flow, the disc will be closed under its own force. No manual intervention is involved in the whole process.

Check valve is mainly to prevent the media reverse flow and ensure one-way flow of media channels only. It prevents accidents while a sudden loss of power in the pipeline medium such as the power equipment like pump damages, and the medium reserve flow against power source.

PRODUCT RANGE

Sizes NPS 1/2 to NPS 4

Class 800 to Class 2500

MATERIALS

Available in Forged (A105, LF2, F5, F11, F22, A182 F304 (L), F316 (L), F347, F321, F51), Alloy 20, Monel, Inconel, Hastelloy,C95800

DESIGN FEATURES

SW, NPT, RF or BW

Outside Screw & Yoke (OS&Y)

Bolted Bonnet, Welded Bonnet or Pressure Seal Bonnet

DESIGN STANDARD

Design & manufacture according to API 602, ASME B16.34

End Connection according to ASME B16.11 (SW), ASME B1.20.1 (NPT), ASME B16.5 (RF, RTJ)

Test & inspection according to API 598

Also available per NACE MR-0175, NACE MR-0103, ISO 15848, API 624

DIMENSIONS AND WEIGHTS (Check Valve - Swing Type )

CL800	Bolt Cover (BC)/ Welding Cover (WC) Reduce Port (RP)/Full Port (FP) Thread (NPT), Socket Weld (SW), Butt Weld (BW)
Size (NPS)	R.P	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2
	F.P	3/8	1/2	3/4	1	1-1/4	1-1/2	2
Face To Face	L	79	92	111	120	120	140
Height	H	55	60	80	90	100	105
Flow Port Diameter	d	10.5	13.5	17	22	28	34
Weight (Kg)	B.B	1.8	2	3.8	4.5	5.5	9
	W.B	1.7	1.9	3.6	4.3	5.3	8.7
CL900 CL1500	Bolt Cover (BC)/ Welding Cover (WC) Reduce Port (RP)/Full Port (FP) Thread (NPT), Socket Weld (SW), Butt Weld (BW)
Size (NPS)	R.P	1/2	3/4	1	1-1/4	1-1/2	2	2-1/2
	F.P	3/8	1/2	3/4	1	1-1/4	1-1/2	2
Face To Face	L	92	111	120	120	140	178
Height	H	60	80	90	100	105	115
Flow Port Diameter	d	10.5	13.5	17	22	28	34
Weight (Kg)	B.B	2	3.9	4.5	5.5	9	16
	W.B	1.9	3.6	4.3	5.3	8.7	15.5
CL2500	Welding Cover (WC), Reduce Port (RP)/Full Port (FP) Thread (NPT), Socket Weld (SW), Butt Weld (BW)
Size (NPS)	R.P	3/8	1/2	3/4	1	1-1/4	1-1/2	2
Face To Face	L		120	120	120	140	178	178
Height	H		90	100	105	115	115	115
Flow Port Diameter	d		10.5	13.5	17	22	28	34
Weight (Kg)	W.B		4.5	5.5	9	16	23	23

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 ZHEJIANG VERVO VALVE CO.,LTD
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ZHEJIANG VERVO VALVE CO.,LTD is your trusted partner for industrial valves. We thrive on a clear mindset to engineer and manufacture world-class valves.