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Products

Needle Valves | LN Series Locked Bonnet Needle Valves

LN Series needle valves are designed for the special temperature, pressure and compatibility required in many severe service applications in the oil & gas, chemical/petrochemical, and power industries.  The locked bonnet and live-loaded chevron packing are ideal for applications having high vibration and dynamic pressures and temperatures.  

LN Series gauge and block & bleed valves are also available.  

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Needle valves - LN Series Severe Service Needle Valves

Specifications

  • Temperature: -100 to 1200° F (-73 to 648° F)
  • Pressure: up to 6000 psig (413 bar)
  • Valve Orifice Sizes (max. Cv):
    • LN4:  0.156 orifice (0.34)
    • LN6:  0.250 orifice (0.85)
    • LN8:  0.437 orifice (2.18)
  • Patterns: Straight, angle, gauge, and block and bleed
  • Body Materials: 316 SS, Alloy 400, C-276, other materials are available.
  • Packing Materials: PTFE (Standard) and flexible graphite
  • Stem types: Non-rotating vee, soft seal (PCTFE), regulating and metering tips 
  • End Connection Types: Duolok, Unilok and Griplok tube fittings, NPT and BSPT pipe ends, tube socket and pipe socket weld
  • End Connection Sizes
    • Fractional: 1/8 to 1 in. 
    • Metric: 6 to 12 mm (Duolok tube fittings only)
    • Extending inlets for are available.

 FeaturesNeedle Valves - LN Series Severe Service Needle Valves F&B Chart

 

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Technical & Pricing Info

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