The HDPE Single Vent High Position Ball Valve for Fuel Gas is a high-position ball valve with a single venting function, designed for controlled pressure relief in fuel gas transmission and distribution systems.
Key Features of HDPE Single Vent High Position Ball Valve for Fuel Gas
- Top-mounted single vent for controlled gas release.
- PE100 RC material ensures superior slow crack growth resistance.
- Full bore ball design eliminates pressure drop.
- ISO-compliant polymeric sealing system.
- Standardized venting port threads per ISO specifications.
Manufacturing Process of HDPE Single Vent High Position Ball Valve for Fuel Gas
Each is produced by computer-controlled injection molding combined with precision machining.
Critical Process Parameters of HDPE Single Vent High Position Ball Valve for Fuel Gas
- Melt temperature control accuracy ±2°C
- Closed-loop monitoring of injection pressure
- Ball sphericity tolerance ≤0.05mm
- Vent mechanism sealing surface roughness Ra≤0.8μm
- Oxidation induction time testing per ISO 4437
Raw Material Characteristics of HDPE Single Vent High Position Ball Valve for Fuel Gas
- Minimum Required Strength ≥10.0 MPa
- Slow Crack Growth Resistance PENT ≥500 h
- Gas permeation resistance ≤0.5 g·mm/(m²·day)
- Carbon black content 2.3%±0.3%
- Volume resistivity >10¹⁶ Ω·cm
Typical Applications of HDPE Single Vent High Position Ball Valve for Fuel Gas
- is used in pressure regulation stations in medium-pressure gas networks.
- serves safety protection systems for LNG and CNG fueling stations.
- is installed for sectional control in municipal gas distribution mains.
- The fitting provides pressure relief for underground gas storage facilities.
Application Scenarios of HDPE Single Vent High Position Ball Valve for Fuel Gas
- Overpressure protection and controlled venting at high-position installations — is the standard valve for these applications.
