Specification Standard & Major Parameter 

1. Product Enfored Standard:
Design & Manufacture Std. :MSS SP-81
Face to Face Std. : TAPPI TIS 405. 8
End Connection Std. : ASME B16. 5, ASME B16. 47
Test Standard: JB/T 9092-1999

2. Major Parameter:
Size: 1-48
Pressure: PN10 , PN16, PN25
Material: A216WCB, A217WC6, A217WC9, A351CF8, A351CF8M, A351CF3, A351CF3M, A352 LCB, A352LCC

Structure Type: Flanged type, Lug type, Wafer type
Operated Way: Hand Wheel, Gear, Pneumatic or Electric