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

We will face the opportunities and challenges brought about by the internationalization strategy with a positive and open mind, and continue to focus on the development and innovation of Forged Lift Check Valve, Knife Gate Valves, Top Entry Ball Valves. We will continue to improve and innovate, and continuously enhance our competitiveness and anti-risk ability. We always attach importance to product quality, believe that innovation is the source of enterprise development, management is the core of the enterprise, and quality is the life of the enterprise. We strive to provide customers with high-quality products. We will offer our best service to satisfy all your needs!

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

Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Cast Steel Lift Check Valve En Pn16/25/40/63/100. Your satisfaction is our best reward. Under the leadership of the company's management, our company has been creating new miracles for customers and constantly bringing new products.