Special Purpose Bleed Plug
A bleed plug for venting trapped pressure from an instrument hook-up before it is opened. Fitted to a spare port on a manifold or valve body, it gives a controlled release point so a technician can prove the line is depressurised.
- Product ID
- VAL-NV-04
- Selection
- Configured to order
- Category
- Needle Valves


Product overview
Special Purpose Bleed Plug is part of Parflow's needle valve range for flow control, isolation, venting, and instrument connections.
Needle valves support controlled flow, isolation, venting, and instrument connections across the published end-connection configurations.
Special Purpose Bleed Plug is configured against the required size, material, connection, pressure, temperature, and quantity.
Specifications
Configured to order
Configured for your requirements
This product is built to the service conditions rather than picked from a fixed Part No. list. The range specification below applies; send the size, material, connection, pressure and temperature with your enquiry and it is configured against them.
- Product Type
- Precision Needle Valve
- Valve Design
- Rising stem, non-rotating needle for precise flow regulation
- Maximum Working Pressure
- Up to 10,000 psi (689 bar) for standard series; higher-pressure versions available
- Temperature Range
- Depends on seat material and process conditions
- Available Sizes
- 1/8" to 1"
- Orifice Options
- Multiple orifice sizes depending on flow requirement
- End Connections
- Tube Ends, Male/Female NPT, BSPT, BSPP, Socket Weld
- Body Materials
- SS316, SS316L, Carbon Steel, Alloy materials
- Stem Material
- Stainless Steel
- Seat Options
- Metal-to-Metal, PTFE, PEEK
- Packing
- PTFE, Graphite, Live-loaded packing options
- Flow Characteristics
- Fine metering and positive shut-off
- Pressure Testing
- Hydrostatic and pneumatic leak tested
- Applications
- Instrument isolation, sampling systems, gas distribution, hydraulic circuits, process control
CART STATUS