BBV Double Block & Bleed Valve

Brand: Winters Instruments

Specifications
  • Combines isolating and venting in a single valve, eliminating the need for tubing and fittings 
  • Block valve isolates the downstream process fluids, and the bleed valve exhausts upstream fluids enabling instruments to be removed without disturbing the permanent piping installation on the bottom 
  • The 1/4" NPT vent plug is located 90° to the left and may be removed and replaced with exhaust piping to direct the fluids to a safe location 
  • Available in Hard Seat [psi: 10,000 (kPa: 68,950, bar: 689.5)] 
  • All stems are 316 stainless steel 

Product

Product

NPT Connection

NPT Connection

Material

Material

Seat Type

Seat Type

Maximum Pressure

Maximum Pressure

Certificate

Certificate

Plug or Screw

Plug or Screw

Plug / Screw Material

Plug / Screw Material
View Details
Part Number / SKU

BBV3420

  • Product

    Double Block & Bleed Valve

  • NPT Connection

    1/4” Female NPT x 1/4” Female NPT

  • Material

    Stainless Steel

  • Seat Type

    Hard Seat

  • Maximum Pressure

    psi: 10,000 (kPa: 68,950, bar: 689.5)

  • Certificate

    Without NACE Certificate

Specifications

Bleed Screw Material

  • 316 Stainless Steel

Bonnet Material

  • 316 Stainless Steel

Cap Material

  • Dust Cap: Nylon

Enclosure, Body Material

  • 316 Stainless Steel

Handle Assembly Material

  • 304 Stainless Steel

Materials of Construction

  • Fastening Screw, Dwell Pin: 304 Stainless Steel (SST)
  • Needle/Needle Tip: 316 Stainless Steel (SST)

Maximum System Pressure

  • psi: 10,000 (kPa: 68,950, bar: 689.5)

NACE & NIST

  • NACE

NPT Inlet

  • 1/2" NPT Female
  • 1/2" NPT Male
  • 1/4" NPT Female
  • 1/4" NPT Male

NPT Outlet

  • 1/2" NPT Female
  • 1/4" NPT Female

O-Ring Material

  • FKM

Packing Material

  • Gland Packing: Teflon

Plug Material

  • 316 Stainless Steel

Screw Material

  • 304 Stainless Steel

Stem Material

  • 316 Stainless Steel

  • Ideally Suited for Severe Duty Oil and Gas Installations
  • Refineries and Processing Plants
  • Water Treatment Plants
  • Power Plants
  • Hydraulic Applications Where Additional Safety for Shut-Down and Media Venting is Required

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