Class2500 Pressure Seal Lift Forged Steel Check Valve

Our growth depends around the superior machines, exceptional talents and consistently strengthened technology forces for NPT Ball Valve, A494 CW6MC Ball Valve, Monel 400 Globe Valve. Our company always adhere to the quality of life, market-oriented, we win the long-term cooperation of customers with excellent product quality, good reputation and independent innovation consciousness. Since the establishment of our company, we have been aiming at standardizing production and serving the market with a scientific management system. We will win your trust and support in us with reliable product quality, preferential product prices, perfect after-sales service, and good business reputation.

Product Details

NSV Forged Lift Check valves(Piston Check Valve or Ball Check Valve), like all check valves, are used to prevent back flow in the line. Standard valve design has no spring in order to minimize cracking pressure and pressure drop, it will only function properly when installed in a horizontal line. As an option the designs can include a spring to assist closing and for use in 90-degree styles installed in vertical lines.

Plicable Standard
Design Standard: API 602, ASME B16.34, BS 5352, DIN3352
Face to Face: ASME B16.10, EN 558, DIN3202
End Flange: ASME B16.5, DIN2533
Butt welding Ends: ASME B16.25, DIN3239
Socket Welded Ends: ASME B16.11
Threaded Ends: ASME B1.20.1
Inspection and Test: API 598, DIN3230

Products Range
Size: 1/2" ~ 2"(DN15 ~ DN50)
Rating: ANSI 150lb ~1500lb

Body Materials: A105,LF2,F91,F11,F22,F304,F304L,F316,F316L,F321,F51,Alloy steel etc.
Trim: Per API 602

Design Features
Full port or reduced port design
Plug/Ball Disc
Bolted bonnet(B.B),Welded bonnet(W.B),Pressure Seal Bonnet(P.S.B) also available.
Flanged, butt-welded, socket- welded, or threaded ends

Standard Material Specifications

Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel.

BODY-COVER CONNECTION:WELDED-COVER

NSV welding procedures are performed by operators qualified acc.to ASME IX.

NSV Weld Bonnet Valves are supplied in the standard type threaded in and fillet welded bonnet as per.”B” version.On request Full Penetration Welding as per “A” version can be supplied.

FAQ

1.Q: What’s the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

2. Q:What’s the packing for shipping?

A:Its carton for small valves(sample) and plywood case(don’t to fumigate).

3.Q:Is there have MOQ?

A：No.we can accept 1set,but there have additional cost $150.00(process of export) if the order value within $2000.00.

All of our colleagues always firmly believe that in the fierce competition, only by relying on our own continuous accumulation of technology can our Class2500 Pressure Seal Lift Forged Steel Check Valve win a larger market. Our company regards 'reasonable prices, high quality, efficient production time and good after-sales service' as our tenet. We have been fully aware of our customer's needs.