Parker Needle Valve

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  • Manufacturer: Parker Instrumentation
  • Product Family: U12L Series
  • Actuation: T-Bar Handle
  • Application: High Temperature Sampling Line, Process Control Line, Steam Blow Down Service
  • Body Material: ASTM A182 F316 Stainless Steel
  • Bonnet Type: Union
  • End Connection: Tube Socket Weld x Tube Socket Weld
  • End To End Distance: 2.26 in.
  • Handle Material: SS
  • Nominal Size: 3/8 in. x 3/8 in.
  • Orifice Diameter: 0.228 in.
  • Pressure Rating: 6000 PSIG CWP
  • Seal Material: Grafoil
  • Stem Material: ASTM A276/A564 316/630 Stainless Steel
  • Stem Type: Regulating
  • Temperature: -65°F to 1200 °F
Parker U12L Series Needle Valve, 3/8" x 3/8", Tube Socket Weld x Tube Socket Weld, 6000 PSIG CWP, F316 Stainless Steel, Grafoil Seal, Regulating Stem, T-Bar Handle, 0.85 Cv, In-Line, Panel Mount, Needle Valve.

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Product Description

Needle Valve; Type 2-Way, Angle, Extended Stuffing Box; Actuation Type T-Bar Handle; Nominal Size 1/4 Inch x 1/4 Inch; Orifice Diameter 0.125 Inch; End Connection SF250CX20 Medium Pressure x SF250CX20 Medium Pressure; Stem Type Non-Rotating Vee; Body Material Cold Worked 316 Stainless Steel; Seal Material PTFE; Handle Material Powder Coated Stainless Steel; Temperature Rating 0 to 1200 Deg F; Pressure Rating 20000 PSI; Inclusions/Features Graphite Braided Yarn Packing; Application Medium Pressure Skid Panel/Fluid Handling System, Water Blasting, Chemical Injection Skid; Applicable Standard ISO 9001; Flow Capacity 0.31 Cv; Block Thickness 0.75 Inch


Rising Stem/Bar Stock Body Design; Non-Rotating Stem Prevents Stem/Seat Galling; Metal-To-Metal Seating Achieves Bubble Tight Shut Off, Longer Stem/Seat Life in Abrasive Flow, Greater Durability for Repeated On/Off Cycles and Excellent Corrosion Resistance; PTFE Encapsulated Packing Provides Dependable Stem and Body Sealing; Stem Sleeve and Packing Gland Materials have Been Selected to Achieve Extended Thread Cycle Life and Reduced Handle Torque

Series/Model Information

Parker Autoclave's SM Series needle valves are designed with large ports for high flow applications. These valves have a non-rotating rising stem bar stock design with working pressures to 20,000 psi (1379 bar). The cone and thread connections utilize Parker Autoclave tubing with sizes from 1/4" to 1". Operating temperatures can go from -423F to 1200°F (-252°C to 649°C) with special graphite braided yarn packing (HT). 316 stainless steel construction is the standard material with other options available. Along with their many features these valves provide dependable and trouble free service in wide variety of applications.


PTFE Connector O-Ring/Retainer Seal/Stem Seal, 316 Stainless Steel Stem Washer/Panel Mounting Nut/Seat Retainer/Packing Nut/End Connector, Stainless Steel Handle Set Screw