Swing WCB Casting Or Stainless Steel Flanged Non Return Check Valve

Check Valve Overview

Check valves are automatic valves that open with forward flow and close with reverse flow.

The pressure of the fluid passing through a system opens the valve,while any reversal of flow will close the valves.Exact operation will vary depending on the type of check valve mechanism.

​ Check Valve Feature

Flange Swing Check Valve

Applicable Standards:

-Design and Manufacturing:GB/T12236-2007

-Flange Connection:JB/T79.1-1994

-Test and Inspection:GB/T26480-2011

Size Range:

DN25~DN300

Pressure Rating:

PN16~PN40

Temperature Range:

-20℃~325℃

​ Check Valve Application

Flanged check valves are ideal for application in vacuum pumps,compressed air and gas systems as well as in water systems where low head loss and elimination of water hammer are desirable.

Why Choose us?

Specializing:

XIDELONG specializes in manufaturing ball valve,butterfly valve,gate valve,globe valve,check valve,sight glass....

Advantage:

1.Price: As we are the professional manufacturer in valves, we ensure that the price offered must be very competitive comparing with others.

2.Raw material inspection:All material test high quality, and keep in ware house

3.Workers:All workers train 3 months,skilled workers on production line

Fast Delivery:

We maintain an extensive inventory of flanged check valves,parts and components in a wide variety of materials so we can respond to your needs quickly. Valves are typically assembled and tested within 1 to 2days after receipt of an order.

Xidelong Brief Introduction

Xidelong is a professional manufacturer in valve automation, integrating with research and development, manufacturing, sales and after-sales services of valve and accessories over 12 years.

The factory of Xidelong valve is located in Longwan (Zhejiang, China), covering an area of 25,000 square meters, of which square meter is for office work whereas 24,000 square meters is for production (including the assembly area, testing area and warehouse area). Moreover, the factory is only 9 miles to Wenzhou Airport, greatly facilitating for the visitor of our international customers and partners.

Boasting of excellent technical strength, design and experience in Gate, Ball, Butterfly and Bellow valves manufacturing, the company has a quality management system as required by ISO9001-2008.

Xidelong Valve have been working to find reliable sales agents or distributors.

Xidelong Manufactory

Established in 2007, Xidelong Valve is a preferred supplier of industrial valves for major Chinese manufacturers.The factory of Xidelong valve is located in longwan (Zhejiang, China).

Xidelong Business

Valve: Ball Valve, Butterfly Valve, Gate Valve, Globe Valve,  Check Valve, Sight Glass 

Material:  ● Steinless Steel: CF8, CF8M, CF3, CF3M, Duplex Stainless Steel

Material:  ● Casting Steel: WCB, WC6, WC9, A105, LCB

Accessories: Pneumatic Actuators, Electric Actuators, Worm Gear, Manual Override, Limit Switch, Solenoid Valve

Standard: JB/GB, ANSI/API, JIS, DIN

Xidelong Production

We are equipped with CNC lathes, automatic machining centers, automatic MIG seal welding and automatic hard facing facility to reduce human error. Today equipment and technology along with a qualified training to our employees produce valves as required by international market.

Xidelong Testing

All our production is tested in accordance to the standard required.

We analyze the raw material at first. Any piece is verified in order to respect the required tolerance. Each valve must exceed the pressure test before it has been judged ready for delivery.