Cryogenic gate valve: 
1)Standards: 
A)Design&Manufacture: API 602, BS 5352, ASME B16.34 
B)Face to Face: MSS SP-84 
C)Connection End: ASME B2.1, ASME B16.11 
D)Test and Inspection: API598 
2)Sizes: 1/2" - 2" or DN12 - DN50 
3)Pressure Rating: Class150 - Class1500 or PN16 - PN250 
4)Material: A105, LF2, F11, F22, F5, F304, F304L, F316, F316L, etc. 
5)Operated by: Handwheel