Features: 
 valve cover screw connection 
 Integral seal down 
 to remove seat 
 low-leakage test requirements to meet the stem packing 
 automatically adjust the preload gland packing 

Application criteria: 
 Design: API 602/ASME 16.34/BS 5352/BS 6364 
 test: 
- API 598 pressure test at room temperature 
- Low temperature test at SP 77/306 
 tag: MSS SP25 
 Long valve cover according to BS 6364 
Connector 
 SW Socket welding ends according to ASME B16.11 
 BW butt end by ASME B16.25 
 NPT threaded connectors according to ASME B1.20.1 
According to ANSI B16.5 flange end  
Pressure rating 
 CLASS 800 (SW and NPT connectors) 
 CLASS 150 (BW and Flanged end) 
 CLASS 300 (BW and Flanged end) 
 CLASS 600 (BW and Flanged end) 
 CLASS 1500 
 CLASS 2500 
Size range 
1 / 4 "to 2" 
Description: 2 "above specifications, please contact the Thai techniques taking a step forward 
Optional Materials 
 Carbon Steel: LF2 
 Stainless Steel: F304, F304L, F316, F316L