Bleed Valve Series : VBL03


DAWSONS-TECH most cost effective Bleed Valve Series : VBL03 is having compact and rugged Bar Stock Hex Body design and construction for bleeding of Liquid or Gases.
Features / Benefits :
  • Compact and Convenient installation, Available in material SS316.
  • Vent Tube prevents accidental removal of Stem
  • Vent Tube directs excess liquid / Gas from system line.
  • Flow Coefficient (Cv) 0.25.
  • Every Valve is pressure tested.
Product Range & Operating Parameters :
  • Pressure Rating : UPTO 10,000 PSIG (690 Bar) at CWP.
  • Temperature Rating :
    • -54° C to 232° C with PTFE Packing.
    • -96° C to 426° C with Graphite Packing.
  • End Connections -
    • Fractional : 1/8" to 1/2" Tube OD.
    • Pipe Threads : 1/8” to 1/2” Male NPT & BSPT.
Applications :
  • General Plant Services
  • Hydraulic & Pneumatic
  • Instrumentation Isolation & Venting
  • Pressure Measurement Devices
Type Test Approvals :
The design of DAWSONS-TECH Bleed Valve Series : VBL03 have been tested to Hydrostatic Proof & Burst Test in accordance to MSS SP-99-2016a Clause 5.5 & 5.6.

Testing :
  • Standard Test - Each Valve is pressure tested with Nitrogen at 1000 PSIG (69 Bar) for leakage at the seat and packing.
  • Optional Hydrostatic Test - This Test is performed with De-ionized water at 1.5 times the working pressure.
  •  
    Certification :
    The Certificate to 3.1 acc. to EN10204 for Valves body material and pressure test will be provided on request.

    Material of Constructions :
    Sr. No.Part DescriptionMaterial
    1StemSS316
    2Vent TubeSS316
    3BodySS316

    End ConnectionOrifice (mm)CvDimensions In mmDawsons-Tech Part No.
    TypeInletOutletABA/F
    Male (NPT)1/8"3/16” OD Tube Stub3.200.2523.919.115.87VBL03-M2N
    1/4”3/16” OD Tube Stub3.200.2523.919.115.87VBL03-M4N
    3/8"3/16” OD Tube Stub3.200.2526.322.322.22VBL03-M6N
    1/2"3/16” OD Tube Stub3.200.2526.322.322.22VBL03-M8N
    Male (BSPT)1/8"3/16” OD Tube Stub3.200.2523.919.115.87VBL03-M2RT
    1/4”3/16” OD Tube Stub3.200.2523.919.115.87VBL03-M4RT
    3/8"3/16” OD Tube Stub3.200.2526.322.322.22VBL03-M6RT
    1/2"3/16” OD Tube Stub3.200.2526.322.322.22VBL03-M8RT
      Dimensions are for reference only and are subject to change.