Casting Steel Threaded Lift Type Check Valve

Our company has a number of professional production and technical personnel and a number of creative design talents. After years of efforts of all colleagues, the company's scale and strength are growing and PSB Cast Gate Valve, Forged Floating Ball Valve, A494 CW6MC Gate Valve are mainly sold overseas. Looking back at our company's entrepreneurial history, the company has been advancing steadily and developing healthily. Further more company, the trust is getting there. With more and more Chinese products around the world, our international business is developing rapidly and economic indicators big increase year by year. We have paid attention to product quality for many years, and actively adopted domestic and foreign advanced technology and scientific management to ensure product quality.

Product Details

NSV Cast Steel Piston check valves(also called Non-return check valve), like all check valves, are used to prevent back flow in the line.that’s operation depend on medium flowing, as this standard valve has no spring in order to minimize cracking pressure and pressure drop, it will only function properly when installed in a horizontal line. Its main role is to prevent the backflow of media, prevent pump and drive motor inversion, and the release of the container media.

Applicable Standard
Design Standard: BS 1868, ASME B16.34, API 6D, DIN2533
Face to Face: ASME B16.10, API 6D, EN 558, DIN 3202
End Flange: ASME B16.5, ASME B16.47, DIN2501, DIN2533
Butt welding Ends: ASME B16.25, DIN3239
Inspection and Test: API 598, DIN3230

Products Range
Size: 2" ~ 24" (DN50 ~ DN600)
Rating: ANSI 150lb-1500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim: Per API 600

Design Features
Bolted cover
Integral seat
Piston type disc design
Flanged or butt welding ends

STRUCTURAL FEATURES

◎ Body-To-Bonnet Joint

Stainless steel + flexible graphite wounded gasket is used for Class150 and Class300 check valve; Stainless steel + flexible graphite wounded gasket is used for Class600 check valve, and joint gasket is also optional for Class600 check valve; Ring joint gasket is used for Class900 check valve; Pressure seal design is used for Class1500～Class2500 check valves.

◎ Body and Bonnet Connection

The body and bonnet of Class150～Class900 check valves are usually with studs and nuts. And the body and bonnet of Class1500～Class2500 check valves are usually of pressure seal design.

FAQ

4. 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.

5. Q:What’s the packing for shipping?

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

6.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

As our Casting Steel Threaded Lift Type Check Valve adopts leading-edge technologies and successful marketing approaches, we are now ahead of the competition in the industry. The role of corporate culture is to allow a group of people from different places to pursue the same dream together through the refinement and dissemination of corporate values. Our company has consistently adhered to the corporate policy of 'advancing with the times, pioneering and innovating, and striving for perfection', and has achieved remarkable results.