Bleed Valve

For instrument and process systems requiring controlled pressure venting, safe isolation, and reliable atmospheric discharge during maintenance or calibration procedures.

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Bleed Valve

Bleed Valve
Bleed Valve
Bleed Valve
Bleed Valve
Bleed Valve
Bleed Valve

introducción del producto

Bleed valve used together with instrument manifolds.
The bleed valve can be installed on instrument devices such as instrument manifolds or gauge valves, and is used to release system pressure to atmosphere before instrument removal or during calibration of control equipment.

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Descripción del producto

The YJ-RB bleed valve provides controlled venting of process media to atmosphere for instrument isolation and pressure release. The valve features a compact threaded body suitable for installation on gauge valves, manifolds, and transmitters.

A hardened stem with surface treatment improves wear resistance and extends service life. The precision sealing interface ensures tight shut-off even after repeated venting cycles. Multiple material options (316 SS, Alloy 400, C-276) allow compatibility with corrosive or high-temperature media.

Each valve is factory pressure-tested at rated working pressure before delivery to guarantee leak-free performance.

Bleed Valve

 

No. Component Material Specification / ASTM Standards
1 Ball Stainless Steel(Default) SIC STL
2 Valve Body 316 Stainless Steel / A479 Alloy 400 / B164 Alloy C-276 / B574
3 Valve Stem Hardened 316 Stainless Steel /A479 Alloy 400 / B164 Alloy C-276 / B574
4 Short pipe 316 Stainless Steel /A479 Alloy 400 / B164 Alloy C-276 / B574
5 Screw 316 Stainless Steel — —
6 Handle 316 Stainless Steel — —
7 Set screw 316 Stainless Steel — —

Note: Wetted components are indicated in italics.

  1. Lubricant: hydrocarbon carrier
  2. For other material requirements, please contact customer service.

Bleed Valve

Product Features & Functions

  • Controlled Pressure Venting，Safely releases trapped pressure during instrument maintenance or calibration.
  • Compact Threaded Design，Enables installation in confined instrument manifolds and gauge assemblies.
  • Hardened Stem Construction，Surface-treated stem improves wear resistance and extends service life.
  • Reliable Metal Sealing，Ensures leak-tight shut-off after repeated vent cycles.
  • Multi-Material Compatibility，Available in 316 SS, Alloy 400, and Alloy C-276 for corrosive media.

 

Ventajas del producto

  • High pressure rating up to 10,000 psig
  • Wide temperature capability (−54 °C to 454 °C)
  • Compact footprint for instrument panels
  • Corrosion-resistant alloy options
  • Long service life under frequent operation
  • Safe controlled venting during maintenance

 

Bleed Valve

Ventajas de nuestra empresa

  • 16+ years specialized in pressure testing and pneumatic boosting equipment R&D and manufacturing
  • Annual production capacity exceeding 1000+ equipment sets
  • Trusted by 8000+ global customers
  • National High-Tech Enterprise with 28+ patents
  • Engineering team with 10+ years industry experience
  • Member of China Special Equipment Industry Association
  • Member of National Instrumentation Standardization Committee
  • ISO 9001 certified quality management system
  • CE certified products for international compliance
  • Focused on mid-to-high-end industrial instrumentation market

 

Applications

  • Pressure transmitter venting
  • Gauge valve venting
  • Manifold pressure release
  • Instrument calibration systems
  • Chemical & petrochemical plants
  • Oil & gas instrumentation panels
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