Design and Manufacture: API 6D. ASME B16, 34，BS5351
Thread Ends Dimension : ASME B1. 20. 1, BSP/BSPT
Welding Ends Dimension: ASME B16. 25
Socket Welded Dimension: ASME B 16. 11
Pressure-temperature Ratings: ASME B 16. 34
Inspection and Test: API6D，API598
Type of Operation: Hand lever，pneumatic，electric
Size: 1/2”---4”
Pressure: 800Lb（2000Psig）
Temperature range: -29℃--300℃
Anti-Static design Fire Safe design as per API607/6FA
Stem-shoot-up prevention design
Materials: WCB.. A105，SS304. SS316