Our company has advanced management experience, production process and quality control means to ensure the provision of high-quality Check Valve, Safety Relief Valve, Water Safety Valve for domestic and foreign customers. We know that high-quality products with preferential prices are the foundation of the market. We believe that production safety is a prerequisite for the company to create excellent performance and achieve comprehensive, coordinated and sustainable development. The management methods adopted by our company, strict quality control system and good after-sales service team have created good conditions for our products to enter the world market. We have developed rapidly in the market economy. Since the establishment of the company, our products have been produced in strict accordance with international standards. We have won high reputation and market share in the market.

Description & Features

Cryogenic Butterfly Valve is useful in controlling or throttling the flow of cryogenic media. In general, a cryogenic valve is quite similar to a typical valve. The main difference is the extended stem found in the cryogenic type. The extended stem is important in maintaining temperature by insulating the stem seal. This also protects the stem from getting damaged due to extreme temperatures. It is often used in LPG, LNG, and industrial gas processes. Also used in other applications with relatively low temperatures to control and regulate the transport of cryogenic gases.

● Compact structure, reasonable design, good valve rigidity, smooth passage and small flow coefficient.

● A metal seal ring in Duplex and a highly wear-resistant Stellite grade 21 seat ensure prolonged superior tightness.

● Single piece cast body with face to face dimensions to ISO5752, ASME B16.10 and API 609 double flanged short pattern, guarantees interchangeability with other valve types.

● Extensively hardened bearings, incorporating a standard reinforce, braided, flexible graphite bearing protector, ensure increased reliability.

● Blowout proof devices on shaft keep sure safety of shaft operating.

● Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion.

Specifications

Size Range	Body Material
2"-80" DN50-DN2000	LCB, CF3, CF3M, CF8, CF8M
2"-80" DN50-DN2000	LCB, CF3, CF3M, CF8, CF8M
Pressure Rating	Disc Material
Class150-Class600 PN10-PN100	LCB, CF3, CF3M, CF8, CF8M
Class150-Class600 PN10-PN100	LCB, CF3, CF3M, CF8, CF8M
End Connection	Seat Material
Flange (FF, RF, RJ), Butt Welding, Wafer, Lug	SS304+Graphite, SS304+PTFE, PTFE, EPDM etc.
Structure Style	Stem Material
Triple Eccentric, Concentric	F304, F316, 17-4PH, etc.
Actuator Options	Design Standard
Handwheel, Pneumatic, Electric, Worm gear, Hydralic	JB T8527, API 609, EN 593, JIS B2071
Temperature Range	Face to Face Standard
-196℃~650℃	GB/T 12221, GB/T 15188.1, JIS B2002
Connection Standard	Test Standard
Flange Drilling: ASME B16.47, EN 1092, ASME B16.5 Butt Weld: ASME B16.25, GB/T 12224	API 598, GB/T 13927, EN 12266, JIS B2003

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 company will have the courage to innovate the pioneering spirit and rigorous scientific attitude into high quality and low price Cryogenic Stainless Steel Manual Butterfly Valves and standard and thoughtful service. We rely on our timely, fast, serious after-sales service to become a number of high-quality enterprise partners. We hope that the enterprise and all stakeholders can win together and share the fruits in a harmonious state.

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