微型针头阀/微型

Mini Needlevalve ,instrument valve One piece bar stock construction with full material traceability.Back seating of stems in a fully open position prevents stem backout.Permanent locking of valve bonnet prevents accidental removal while operating valve.Stem seal isolates the lubricated stem threads from the process.Stainless steel models of needle, gauge and instrument manifold valves, equipped with needle stems, meet NACE MR-01-75.Optional high temperature packing for compatibly to 1000°F (538°C) on certain models. More informations: 1. High pressure needle valve 2. Stem threads below packing 3. Standard Vee stem 4. Pressures to 6000psig(413 bar) 5. Temperatures to 450 oF (232 oC) with standard TFE packing; up to 600 oF(315 oC) with optional PEEK packing 6. Rugged 316 stainless steel construction 7. Orifice size from 0.17in (4.3mm) to 0.35in (6.3mm) 8. Flow coeffcents (Cv) from 0.35 to 2.2 9. Straight and angle patterns 10. Medium: oil, gas, water, and corrosive liquid medium. 11. Easy installation and reinstallation, long service life. 12. Manufacture meterial: 20#, oCr18Ni9Ti, 304, 316, 316L 13. 100% factory tested we can do follow sample or drawing, even have special request. OEM offered.