API 6D/DIN/ANSI Casting Steel/Wcb/CF8/ CF8m Single Lift Disc Wafer Type Check Valve Non-Return Check Valve

We have always strive to make M35-1 Ball Valve, Cast Basket Strainer, Corrosion Resistant Valves with high efficiency and low energy consumption in the position of users, allowing our customers to reduce costs. We implement refined, standardized, scientific management and procedural control in the process of product development, design, production and after-sales service. Our company has established long-term and stable cooperation with many retailers and agents. Our company always insists on the business philosophy of "taking customers' interests as the core, and developing and producing cost-effective products as the fundamental". We will build brand with strength, expand market with service, realize integrity with action, and win customers with 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

Our company has been producing reliable API 6D/DIN/ANSI Casting Steel/Wcb/CF8/ CF8m Single Lift Disc Wafer Type Check Valve Non-Return Check Valve for many years, and we welcome new and old customers to visit us. We have gradually improved the business level, service and quality awareness of the company's employees and carefully built a team with exquisite business and perfect service. Innovation is the inexhaustible power and source of the company's continuous growth, the inevitable requirement of customer demand and industry competition, and the internal demand for employees to burst into work enthusiasm.