Needle Valves : Series – INV01

Needle Valves : Series - INV01


FEATURES

  • Available in SS316, all wetted parts in accordance with NACE MR01-75
  • Heat Code Traceable to certified material test report
  • Spring loaded PTFE/Graphite Packing ensure Bubble tight sealing and compensate for wear and pressure/temperature changes
  • Forged Body, straight and Angle patterns
  • Low operating Torques
  • Panel mountable, Variety of stem tips
  • Flow coefficient (Cv) from 0.09 to 1.8
  • Orifice size : 0.078" (2mm), 0.172" (4.4mm), 0.250" (6.4mm),0.375" (9.5mm)
  • Variety of end configurations includes SEALEXCEL® Well-Lok™ Tube Fittings, Male/Female NPT, BSPT and BSPP pipe connections
  • Every valve is factory tested.

OPERATING PARAMETERS

  • Pressure Rating: upto 5000 psig (340 bar) at CWP
  • Temperature Rating: -54ºC to 232ºC with PTFE packing

  • APPLICATION

  • General Plant Service
  • Instrument Isolation
  • Hydraulic and Pneumatic
  • Pressure measurement devices
  • Venting
  • STEM TYPE

    SEALEXCEL Needle Valves are available with a choice of the optional stem to provide greater flexibility.

  • NON-ROTATING (NR): It is Standard self-centring non-rotating stem tip typically used in high cycle application to extend the valve life.
  • V-STEM (VS): It is used for general purpose liquid and gases.
  • REGULATING STEM (RS) : It is used where some degree of flow control required.

  • MATERIAL OF CONSTRUCTIONS

      Sr. No.   Component   Material
    1 Bar Handle SS316
    2 Set Screw SS316
    3 Stem SS316
    4 Packing Nut SS316
    5 Packing Washer SS316
    6 Packing Spring Stainless Steel
    7 Packing Gland SS316
    8 Packing PTFE/Graphite
    9 Panel Nut SS316
    10 Valve Body SS316

    TECHNICAL DATA

    The Temperature and Pressure rating for a standard valve with PTFE packing.
    Temperature Pressure
    psig bar
    -54°C to 38°C 5000 340
    -54°C to 93°C 4295 292
    -54°C to 148°C 3845 264
    -54°C to 176°C 3715 254
    -54°C to 204°C 3560 242
    -54°C to 232°C 3435 234
    TESTING
    • Standard Test: Each Valve is factory tested with nitrogen at 1000 psig (69 bar) for leakage at the seat and packing,
    • Optional Hydrostatic test : This test is performed with de-ionised water at 1.5 time the working pressure.
    End Connections     Orifice     Cv Dimensions (mm)   Ordering Number
      Inlet   Outlet A B1 B2 B3 D F G H
    1/8" Well-Lok 1/8" Well-Lok 2.0 0.09 49.4 24.7 24.7 24.7 11.2 35.0 13.2 57.0 INV01-TT2
    1/4" Well-Lok 1/4" Well-Lok 4.4 0.37 57.4 28.7 28.7 28.7 11.2 52.5 13.2 59.0 INV01-TT4
    3/8" Well-Lok 3/8" Well-Lok 6.4 0.73 65.6 32.8 32.8 32.8 12.7 57.0 20.0 71.0 INV01-TT6
    1/2" Well-Lok 1/2" Well-Lok 6.4 0.73 71.2 35.6 35.6 35.6 14.2 57.0 20.0 71.0 INV01-TT8
    3/4" Well-Lok 3/4" Well-Lok 9.5 1.80 96.6 48.3 48.3 48.3 19.1 63.5 26.2 99.5 INV01-TT12
    3mm Well-Lok 3mm Well-Lok 2.0 0.09 49.4 24.7 24.7 24.7 11.2 35.0 13.2 57.0 INV01-TT3M
    6mm Well-Lok 6mm Well-Lok 4.4 0.37 57.4 28.7 28.7 28.7 11.2 52.5 13.2 59.0 INV01-TT6M
    8mm Well-Lok 8mm Well-Lok 4.4 0.37 59.4 29.7 29.7 29.7 12.7 52.5 20.0 59.0 INV01-TT8M
    10mm Well-Lok 10mm Well-Lok 6.4 0.73 66.0 33.0 33.0 33.0 12.7 57.0 20.0 71.0 INV01-TT10M
    12mm Well-Lok 12mm Well-Lok 6.4 0.73 71.2 35.6 35.6 35.6 14.2 57.0 20.0 71.0 INV01-TT12M
    1/8" Female NPT 1/8" Female NPT 4.4 0.37 41.2 20.6 20.6 20.6 11.2 52.5 13.2 59.0 INV01-FF2N
    3/8" Female NPT 3/8" Female NPT 6.4 0.73 57.2 28.6 28.6 28.6 12.7 57.0 13.2 57.0 INV01-FF6N
    1/2" Female NPT 1/2" Female NPT 9.5 1.80 76.2 38.1 38.1 38.1 19.1 63.5 26.2 99.5 INV01-FF8N
    1/8" Male NPT 1/8" Male NPT 2.0 0.09 38.2 19.1 19.1 19.1 11.2 35.0 13.2 57.0 INV01-MM2N
    1/4" Male NPT 1/4" Male NPT 4.4 0.37 49.8 24.9 24.9 24.9 11.2 52.5 13.2 59.0 INV01-MM4N
    3/8" Male NPT 3/8" Male NPT 6.4 0.73 57.4 28.7 28.7 28.7 12.7 57.0 20.0 71.0 INV01-MM6N
    1/2" Male NPT 1/2" Male NPT 9.5 1.80 76.2 38.1 38.1 38.1 19.1 63.5 26.2 71.0 INV01-MM8N
    1/8" Male NPT 1/8" WELL-LOK 2.0 0.09 43.8 19.1 24.7 19.1 11.2 35.0 13.2 57.0 INV01-MT2N
    1/4" Male NPT 1/4" WELL-LOK 4.4 0.37 53.6 24.9 28.7 24.9 11.2 52.5 13.2 59.4 INV01-MT4N
    1/4" Male NPT 3/8" WELL-LOK 6.4 0.73 61.5 28.7 32.8 28.7 12.7 57.0 20.0 71.0 INV01-MT4N6
    3/8" Male NPT 3/8" WELL-LOK 6.4 0.73 61.5 28.7 32.8 28.7 12.7 57.0 20.0 71.0 INV01-MT6N
    3/8" Male NPT 1/2" WELL-LOK 6.4 0.73 64.3 28.7 35.6 28.7 14.2 57.0 20.0 71.0 INV01-MT6N8
    1/2" Male NPT 1/2" Female NPT 9.5 1.80 76.2 38.1 38.1 38.1 19.1 63.5 26.2 99.5 INV01-MT8N

    Dimensions shown with SEALEXCEL® Well-Lok™ Nut are finger tight

    Dimensions are for reference only and are subject to change.