ZHEJIANG VERVO VALVE CO.,LTD
ZHEJIANG VERVO VALVE CO.,LTD - A VALVE COMPANY - We Are One of the Biggest Chinese Industrial Valves Manufacturer Specialized in Steel Ball Valves/Steel Gate Valves/ Steel Globe Valves/Steel Check
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2 Inch ALLOY20 Forged Swing Check Valve Forge DN50 150LB SW Nrv Check Valve UNS N08020 Socket Weld Swing Check Valve
| Item | Check Valve |
| Certification | ISO9001,ISO14001,ISO18001,TS,CE,API |
| Brand | VERVO |
| Model number | H61W-150LB-DN50 |
| Port Size | 2'' DN50 |
| Structure type | lift /swingcheck valve |
| Pressure | 150LB |
| Temperature | -29-429DEGREE |
| Connection form | Socket Welding |
| Material | Alloy 20/UNS N08020 |
| Feature | Easy disassembly |
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 | ||
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| 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 | ||
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| 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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