タイトルまたは説明

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