Taper Seal Needle Valves
Non-rotating tip stems are standard on AF4 and AF6 for on-off service and insure long life on valve seats. Regulating tip stems are available at no additional cost, add - REG to the catalog number.
Glands and sleeves are supplied with each valve unless otherwise requested (glands and sleeves shown on pages 12 and 17).
Materials include high tensile type 316 stainless steel for the valve body and hardened 17-4PH stainless steel lower section stem.
Packing is Teflon (450°F) standard, with optional Viton (350°F), BUNA-N (200°F) or Grafoil (650°F) available at no additional cost.
Air operators for remote control operation are available for all valves. (Refer to Air Operator section of catalog for additional data).
Non-rotating slotted stem design (standard for AF4 and AF6) Packing below stem threads Type 316 ss high tensile bodies Positive gland lock device No stem adjustment needed Black T-handles or choice of 4 colors Tube sizes 1/16" through 3/8"