Construction is follows Full port or conventional port:; Special Y
type handle; Fire proof and anti-static; Mounted flange as per ISO
***1; Blow out proof stem; Double sealing for the stem; Bolted
bonnet; Socket welded ends to ASME B*6.*1; Screwed ends (NPT) to
ANSI/ASME B1.*0.1 Product design and scope Design standard:BS ***1
Butt welding connecting end:ASME B*6.*5 Wall thickness:ASME B*6.*4
Fireproof test:API **7/API 6FA Inspection and test:API **8 Pressure
and temperature rating:ASME B*6.*4 Product scope:NPS 1/4″~NPS
2″,CL**0~CL***0 Main body material:A**5､LF2､F**4､F**6､F**4L､F**6L
etc. Valve seat material:PTFE､RPTFE､NYLON､DEVLON､Derlin､PEEK､PPL
etc Drive device:handle, worm wheel, electric, pneumatic etc
