Under the principle of total quality management, our pursuit of Cryogenic Butterfly Valve, Pneumatic Air Control Valve, PSB Bonnet Swing Check Valve quality is continuous. The company firmly believes that quality is a standard, an image, a characteristic, a promise, a responsibility, and even the life of an enterprise. After years of development, with the development of economy, our company has embarked on the track of innovation driven rapid development. Our company has independent import and export rights. Our development in recent years has enriched our international trade experience. We comply with the development trend of the industry and conduct market segmentation in time.

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

Our products are greatly acknowledged and reliable by users and may fulfill repeatedly shifting financial and social wants for Wafer Type Double Disc Dual Plate Wcb Swing Check Valve. Our company has advanced production and testing equipment, and the level of equipment technology is in a leading position in the country. Innovation of technology and quality is the theme of the company' s development.

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