Product OverviewAJL Standard Cap / Hex Socket Drain Valve (hard-seal ball type) designed for draining, venting and maintenance of ball valves, gate valves and wellhead equipment in oil, gas and industrial water treatment applications. Available with venting port and stop pin for controlled operation. Standard NPT connections and non-standard customization accepted.
Interface SpecificationsStandard threads: 1/2-14NPT, 3/4-14NPT, 1-11.5NPT. Custom sizes and non-standard connections available on request.
Product TypeStandard hex head bleed valve; internal hex (hex socket) bleed valve.
Application ScopeDraining, venting and pressure relief for ball valves, gate valves, wellhead trees, blowout preventers and main pipeline valves in oil & gas and industrial water systems.
Body Material316SS or 304SS; non-standard materials or treatments available by customization.
Working MediumPetroleum, natural gas, water and compatible process fluids.
Performance Specifications- Hydrostatic (high water pressure) test: 35–135 MPa for 2 minutes
- Air pressure test: 0.6–0.8 MPa for 2 minutes
Product StructureHard-sealed ball structure with precision seating to ensure stable sealing under high pressure.
Ball MaterialYG6 tungsten carbide alloy for wear and corrosion resistance in demanding service.
Operating Pressure≤ 10,000 PSI (approx. 68.9 MPa).
Operating Temperature-50°C to 200°C depending on material and sealing configuration.
Product IntroductionAJL Standard Cap / Hex Socket Drain Valve is engineered for reliable drainage and venting operations in oil, gas and water treatment environments. The hard-seal ball and stainless steel body provide long service life and leak-resistant performance at high pressure. Standard NPT thread options simplify installation; custom connections are supported for project-specific requirements.
Key AdvantagesDurable Materials316SS/304SS body and YG6 tungsten carbide ball provide corrosion and wear resistance suitable for harsh field conditions.
High Pressure SealingHard-seal ball design rated up to 10,000 PSI and validated by hydrostatic and air pressure testing to ensure reliable sealing.
Practical DesignVenting port and stop pin enable safe, controlled drainage. Available in standard cap and hex socket styles to match different installation and operational needs.
Flexible ConnectionsStandard NPT sizes with options for non-standard customization to fit various piping systems.
ApplicationsUse on oil drilling platforms, natural gas pipelines, gas processing plants, industrial water treatment systems, wellhead trees, blowout preventers and main pipeline valves where controlled drainage and venting are required.
Brand & OriginAJL brand. Manufactured in Suzhou, China with professional machining and quality control.
Technical Specifications- Part Name: Drain valve
- Model: AJL Standard Cap / Hex Socket Drain Valve
- Interface Specifications: 1/2-14NPT; 3/4-14NPT; 1-11.5NPT (customization available)
- Product Type: Standard hex head bleed valve; internal hex head bleed valve
- Body Material: 316SS, 304SS (custom materials available)
- Ball Material: YG6 tungsten carbide alloy
- Working Medium: Petroleum, natural gas, water
- Operating Pressure: ≤ 10,000 PSI
- Operating Temperature: -50°C to 200°C
- Performance Tests: Hydrostatic 35–135 MPa for 2 min; Air 0.6–0.8 MPa for 2 min
- Product Structure: Hard-sealed ball valve
- Place of Origin: Suzhou, China
- Brand: AJL