Our design and production of Cement Butterfly Valve, Double Eccentric Butterfly Valve, Bellow Seal Gate Valve have reached the domestic leading level, and we have strong new-product development capabilities. We are fully committed to supplying high quality products and services that meet client requirements. Our company holds 'Total Customer Satisfaction' as an objective, and our motivation is to push our pursuit of high-quality products and services to a higher level. Therefore, we strive to be responsible to our customers, employees and society. We always adhere to the development tenet of "people-oriented, innovation and advancement, and quality first"; adhere to the business philosophy of "quality creates value"; and strive to build a "high-speed, smart, and environmentally friendly" diversified development enterprise. In the face of the challenges of the new era, we are determined to reform and innovate continuously.

Description & Features

Wafer Type Swing Check valves is usually installed in pipeline system, prevent medium from flowing back, check valve is automatic valve that it is opened and closed by pressure of fluid. In the past, we use H74 flange coupling swing type check valves & H71 flange coupling lift type check valve. Traditional check valve's volume is big, strong resistance of fluid, Water-hammer's pressure is high when valves close, repair and installation is inconvenient, service life is not long.

● Light and Compact

● Installed in the horizontal and vertical up positions

● "Zero Leakage" Sealing Design with Soft Seated

● Positive sealing under most operating conditions

● Long-lasting service with superior performance

Specifications

Size Range	Body Material
2"-20" DN50-DN500	WCB, A105, LF2, LF3, F22, F304, F316, F304L, F316L, F51, F53, F55, F44, etc.
Pressure Rating	Disc Material
Class150-Class600 PN10-PN40	SS201, SS304, SS316, Aluminium Bronze
End Connection	Seat Material
Wafer	NBR, EPDM, VITON-A, VITON-B, hypalon, PTFE, metal to metal
Structure Style	Stem Material
Full Port	/
Actuator Options	Design Standard
/	API594, API 6D, JB/T 8937
Temperature Range	Face to Face Standard
-29℃~425℃	ANSI B16.10, API 6D, GB/T 12221, DIN 3202, EN558-1
Connection Standard	Test Standard
Flange Drilling: ANSI B16.5, ASME B16.47 A/B, EN1092-1, BS 4505, JIS2210, GB 9112~9124, HG20592~20635 etc.	API598, GB/T13927, DIN3230

Brand	DAGO or OEM
Test	100% quantity tested before delivery
Guarantee	12 months from date of shipment or Negotiable
MOQ	1 Set
Sample	Available
Color	Customer required or manufacturer default
Packing	Plastic bag wrapped inside, seaworthy wooden case outside
Certificate	API6D, CE, TUV, ISO9001, ISO14001, ISO45001, Mill Test Certificate
Country of Origin	Zhejiang, China
HS Code	848180 (universal), 8481804090 (China)
Port	Shanghai or Ningbo
Payment Terms	T/T, L/C, Western Union

We adopt advanced technology, which greatly extend the service life of our Swing/Wafer/Lift/Dual Type Cast Flanged Non Return/One Way/Check Valve. Warmly welcome customers at home and abroad to visit our company. 'Making better products and creating a more harmonious society' is our solemn commitment to the industry and society. Relying on the support of new and old customers, we will live up to expectations and create a better future.

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