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Cryogenic Valve
TTF cryogenic valve has two types of bonnet. One is bolted bonnet, which the body is connected with bonnet by bolts and sealed by spiral gasket with advantages of convenient maintenance; one is welded bonnet, which the body is fully welded with sealing bonnet of no leakage. It is available to design into cryogenic structure for gate valve, globe valve and ball valve. In order to be used in low temperature at -196¡æ £¨3200 F£©, generally the valve is designed by extended bonnet.
Design Structure and Features:
A. Design and Manufacturing: As per ANSI B 16.34, API 602, BS5352
B. Ends Connection
1) SW Dimensions as per ANSIB.1611; JISB2306
2) Screwed Dimensions as per ANSIB1.20.1 BS21; ISO7/1; JI
Cryogenic Ball Valve
C. Valve Inspection and Test: As per API 598
D. Material: According to AISI/ASTM
E. Body Material: A105; F5; F11; F22; 304; 304L; 306; 306L; LF2.....
F. Markings as per MSS-SP-25
Structure and Features:
Full bore or reduced bore Outside screwed and yoke
Bushing type Integral backseat
Bolted, fully welded and pressure-in bonnet
Sealing parts with pressure balance holes ( for gate valve and ball valve)
Specially extended the length as required by the client
Soft sealed globe valve as required by the client
PTFE packing as required by the client
Special cryogenic temperature test as required by the client
Anti-static
Cryogenic Valve

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