Bar stock needle valve V4 Series or V4H Series

الوصف

1.Pressure up to ***0 psig(**4bar) for standard series.
   Pressure up to ****0 psig(**9bar) fro high pressure series.
2.Temperature from **5F to **0F (**4C to **2C) with PTFE packing.
    Temperature from **5F to ***0F (**5C to **9C) with Grafoil packing.
3.Two-plece stems design . The upper stem has hardened threads , the lower stem has hardened smooth surface.
4.The lower stem performs vertical ilnear movement instead of screwing movement , significantly reducing the friction area.
5.Back seating design protects the packing in fully open position.
6.Panel mountable.
7.Packing below stem thread isolates the thread lubricants from the media.
8.**0% factory tested.