Cast Steel Wafer Lift Check Valve En Pn16/25/40/63/100

We continue to develop and produce a wide range of high-performance Check Valves, PFA Lined Sleeve Plug Valve, Plastic Valves that meet the needs of our customers. We will never be satisfied with what we have achieved. In front of all the new and old customers, we are very willing to contact you modestly and simply. We strive to create an environment of trust, openness and mutual respect, and provide everyone with fair opportunities. As we are moving forward, we keep an eye on our ever-expanding product range and make improvement to our services. After years of steady development, our company adheres to the concept of improving the quality of life with technological innovation, and brings product technology closer to consumers.

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 absorb the management experience of large enterprises in our company management, implement total quality management, and establish a scientific quality assurance system to ensure the product quality of processed Cast Steel Wafer Lift Check Valve En Pn16/25/40/63/100. We will take scientific and technological innovation as a breakthrough, strengthen corporate strategy research, continuously improve the scientific and standardized management of the enterprise, so as to effectively promote sustainable development. Striving hard to attain continual success determined by high quality, reliability, integrity, and complete understanding of current market dynamics.