BBV Double Block & Bleed Valve
Brand: Winters InstrumentsSpecifications
- 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
 
Specifications
Brand
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