QUICK EXHAUST VALVE
ProductModel:P41X,P42X,QB1
Nominal Diameter:15-300mm
Nominal Pressure:2.5-4.0MPa
Suitable temperature:-40°C-80°C
suitable Medium:Water
PRODUCT TITLE:
HIGH-EFFICIENCY AUTOMATIC QUICK EXHAUST VALVE (P41X/P42X/QB1 SERIES)
Product Overview & Applications
Rapid Air Venting Solution for Fluid Systems
- Purpose: Designed to automatically expel accumulated air/gas from pipelines, preventing airlocks and ensuring smooth fluid flow. Critical for systems requiring continuous, bubble-free operation.
- Key Applications:
- HVAC Systems: Radiators, heating pipelines, cooling loops.
- Water Supply: Pump stations, irrigation networks, fire suppression systems.
- Industrial Processes: Boilers, chemical reactors, hydraulic lines.
- Marine/Offshore: Bilge pumping, fuel oil transfer.
Technical Specifications
Parameter |
Details |
Model Series |
P41X, P42X, QB1 (flange/threaded connections) |
Nominal Diameter |
15mm-300mm (customizable for larger sizes) |
Nominal Pressure |
2.5MPa-4.0MPa (PN16-PN40 equivalent) |
Working Temperature |
-40°C to 80°C (suited for extreme climates) |
Suitable Medium |
Water (compatible with low-viscosity liquids) |
Body Material |
Ductile Iron/Stainless Steel (corrosion-resistant) |
Seal Material |
EPDM/NBR (high-temperature/chemical resistance) |
Quality & Compliance
- Manufacturing Standards:
- GB/T 12236: Design and testing of automatic air valves.
- ISO 9001:2015: Certified quality management system.
- Pressure Testing: Each valve undergoes 1.5x nominal pressure hydraulic testing.
- Performance Features:
- Float Mechanism: Stainless steel float ball ensures rapid air discharge.
- Leak-Proof Design: Double-O-ring seals prevent backflow.
- Low Maintenance: Self-cleaning valve seat reduces clogging.
- Certifications:
- CE/PED Compliance (for EU markets).
- Material Test Reports: Chemical composition analysis (EN 10204 3.1).
Product Advantages
- Rapid Venting: Patented float design expels air in seconds, boosting system efficiency.
- Wide Compatibility: Works in vertical/horizontal pipelines with varying pressures.
- Durability: Reinforced body construction withstands hydraulic shocks.
- Custom Options: Explosion-proof versions, electric actuators, or customized materials.
Packaging & Support
- Export-Ready: Anti-corrosion coating + wooden crates with moisture barriers.
- Documents: Installation manuals, dimension drawings (AutoCAD/PDF), test certificates.
- Warranty: 24-month replacement warranty for manufacturing defects.
Why Choose Our Quick Exhaust Valves?
Engineered for reliability in harsh environments, our valves minimize downtime in critical fluid systems while adapting to temperature extremes and pressure fluctuations.
Keywords: Automatic Air Vent Valve, Quick Exhaust Valve P41X, Water Pipeline Vent, HVAC Air Release Valve, Industrial Exhaust Valve.






