1. Catalogs
  2. Badotherm Group
  3. B8 - block and bleed needle valve

B8 - block and bleed needle valve

B8 - block and bleed needle valve

B8 - block and bleed needle valve

Product catalog summary
Technical Specifications
  • Material of Construction (MOC): AISI316, with options for carbon steel, AISI316L, AISI304, Monel, Hastelloy.
  • Connections: Inlet and outlet are 1/2” NPT-F, vent is 5/16" x 24unf stem. Other sizes available on request.
  • Bonnet and Stem: Venting bonnet, isolating bonnet, non-rotating spindle tip, metal seal between body and bonnet, bonnet locking pins, safety back seating T-bar.
  • Pressure and Temperature: Standard pressure up to 413 bar (6000 psi), with options up to 700 bar (10,000 psi). Temperature range up to 240°C, with options up to 550°C.
  • Design Features: Self-aligning metal seats, compact design, full traceability of materials, 100% pressure tested.
  • Additional Options: Anti-tamper handle, hexagon blind plugs, support for brackets, cleaning for oxygen service.
  • Certifications: Material, test, and NACE certificates available.
Design Information
  • Flow diagram and dimensional drawings available on the website.
  • Pressure table and metal seal HS type information provided.
Applications
  • Block and bleed needle valve designed for applications requiring bleeding or venting of media.
  • Available with a variety of seat and seal materials, tested under pressure in the factory.
Temperature and Pressure Data
  • Pressure ratings provided for various temperatures, ranging from 40°C (100°F) to 540°C (1000°F).
Additional Information
  • For technical data sheets and dimensional drawings, refer to the website www.badotherm.com.
  • Document revision date: 11/01/2008, rev 1.
See more

Catalog excerpts

B8 - block and bleed needle valve-1

technical specification model moc inlet outlet vent AISI316 1/2” NPT-F 1/2"NPT-f 5/16" x 24unf stem venting bonnet isolating bonnet stem packing - top side HS PTFE pressure temperature bracket holes 413 (6000) bar (psi) 240°C - design information .. self aligning metal seats flow diagram .. compact design .. non-rotating spindle tip .. metal seal between body and bonnet .. bonnet locking pins .. safety back seating T-bar .. full traceability of all materials .. 100% pressure tested dimensional drawings B8MF-front B8FF-front B8-side For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 11/01/2008 rev 1 even block and bleed needle valve Badotherm model B8 is block and bleed needle valve specially designed for applications requiring bleeding or venting of the media. These types of needle valves are available with a variety of seat and seal materials. The valves are tested under pressure in the factory. This valve is available with a standard HS stem with a conical tip to ensure perfect alignment for a bubble tight shut-off B8 4.1.2. manifolds and valves

 Open the catalog to page 1
B8 - block and bleed needle valve-2

B8 - additional information options and special execution at extra cost moc carbon steel, AISI316L, AISI304, Monel, Hastelloy inlet other sizes on request outlet other sizes on request stem SO gland packing PTFE glass filled, graphoil pressure up to 700 bar (10.000 psi) temperature up to 550°C handle with anti tamper facility with removable T-bar key plugs hexagon blind plugs support for brackets see bracket datasheet certificates material, test and NACE certificates cleaning for oxygen service design information pressure table metal seal HS type For technical data sheets and dimensional drawings...

 Open the catalog to page 2

All Badotherm Group catalogs and technical brochures

  1. US FH

    3  Pages

  2. BRC

    3  Pages

  3. EXT

    3  Pages

  4. BC

    4  Pages

  5. Thermowells

    14  Pages

Archived catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.