DIN Cast Steel Flanged Lift Check Valve

For many years, we have been aiming to create excellent quality and high reliability Underground Fully Welded Ball Valve, Alloy20 Safety Valve, Plastic Valves, and regard the needs of users as the basis of our research and development. The selfless dedication, the struggle for excellence and the work style of quick response and immediate action of the founders of our company are rapidly internalized into our enterprise spirit and style. We pay attention to protecting the environment while developing the economy. We emphasize the cooperation, mutual encouragement, and continuous improvement of self-qualification among employees, so as to promote the sustainable development of the company. Our company adheres to the stable product quality and reasonable price, and continuously develops the core power in the fierce market competition.

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

We are working hard to develop various DIN Cast Steel Flanged Lift Check Valve products with broad market prospects and market competitiveness, and we have achieved fruitful results. Newly introduced manufacturing equipment, a strong R&D team, a brand-new scientific management system and a professional after-sales service team have enhanced the influence of our company. With many years of production experience, we have mature manufacturing technology and advanced production lines, and have created a team of employees with rich professional skills.