Stainless steel air consolidated leser pressure safety valve
Grade: SS304/SS316L;
Standard: DIN/SMS/ISO/3A;
Working pressure: 0.1–10 bar adjustable;
Test pressure: 1.5× rated;
Temperature Range: -20°C to 180°C;
PTFE seals: chemical-resistant and hygienic;
Viton seals: high-temperature durable. Designed for automatic pressure and vacuum protection in sanitary tanks and process systems.

Stainless Steel Air Consolidated Leser pressure Valve is ahigh-precision air system overpressure protection valve designed for compressed air and gas applications. It is commonly installed on the top or side outlet of air compressors, pressure vessels, air storage tanks, and pneumatic pipelines, where it functions to automatically release excess air pressure when system pressure exceeds the preset limit, preventing equipment damage or pipeline rupture. Manufactured in stainless steel, it provides corrosion resistance and stable long-term sealing performance. Main types include spring-loaded safety valves, adjustable set-pressure models, threaded or flanged connection types, and compact integrated air relief units, suitable for industrial air control and gas protection systems.
Compared with ordinary safety valves, Stainless Steel Air Consolidated leser Valve is specifically optimized for compressed air and gas systems, offering faster response and more accurate pressure control under fluctuating airflow conditions. While standard safety valves focus on general liquid or steam protection, our valve ensuresstable discharge performance, anti-vibration design, and enhanced sealing for continuous air compression environments. Manufactured with high-grade stainless steel, it providessuperior corrosion resistance and longer service life. Compared with other manufacturers, our products feature precision spring calibration, strict leakage testing, customizable set pressure, and higher reliability in high-frequency air systems, ensuring safer and more durable industrial operation.
Accessories
- Valve Body: 304 / 316L stainless steel (for hygienic & corrosion-resistant applications)
- Spring: Stainless steel 304 / 316
- Seal Ring: Food-grade EPDM / PTFE / FKM / Silicone
- Vacuum Disc / Pressure Plate: Precision-machined stainless steel
- Surface Finish: Internal Ra ≤ 0.6–0.8 μm (mirror polished)
- Material:Body and internal components in SS304 / SS316L; spring in stainless steel; seals in PTFE, EPDM, or Viton; all materials suitable for hygienic processes.
- Structural Form:Spring-loaded pressure relief with integrated vacuum breaker; optional combined pressure/vacuum structure; dead-leg-free sanitary design; optional insulated or jacketed body.
- Pressure Rating:Low to medium pressure range (e.g., 0.1–10 bar adjustable); vacuum protection sensitivity calibrated per tank requirement; factory pressure tested.
- Function:Automatic overpressure release and vacuum compensation; surge protection; tank deformation prevention; sterile process safety assurance.
- Grade Level:Sanitary grade for food, beverage, dairy, and pharmaceutical; optional industrial chemical grade.
- Specification Standards:DIN, SMS, ISO, 3A, ASME BPE clamp or flange standards for global hygienic pipeline compatibility.
- Certification / Registration:Optional FDA-compliant seals, 3A certification, material traceability, pressure testing and safety compliance documentation.
- Installation Direction:Typically installed vertically on tank tops; horizontal installation optional depending on design; drainage-friendly configuration.
- Customization:Adjustable pressure settings, customized sizes, special seal materials, connection types, and sample-based OEM production available.

- Raw Material:
- F:Premium 304/316L stainless steel hygienic valve body; precision-balanced pressure disc; FDA-approved EPDM/PTFE/FKM sealing components
- A:Outstanding corrosion and oxidation resistance; hygienic-grade material purity; stable performance under pressure fluctuation
- B: Ideal for food, beverage, dairy & pharmaceutical tank systems; protects product integrity and prevents secondary contamination
- Processing Technology:
- F:Internal electrolytic polishing (Ra ≤ 0.6 μm); CNC-machined valve seat; fully enclosed spring chamber; crevice-free sanitary design
- A: Smooth surface reduces residue buildup; accurate pressure response; enhanced structural durability; compatible with CIP/SIP cleaning
- B: Minimizes cleaning downtime; improves production efficiency; ensures long-term stable protection of storage vessels
- Structure Feature:
- F: Dual-function design integrating positive pressure relief & vacuum breaker; spring-loaded overpressure mechanism; gravity-assisted vacuum plate; clamp or welded connection optional
- A: Automatic response to sudden pressure surge or vacuum formation; precise resealing after discharge; compact hygienic configuration
- B: Prevents tank rupture or collapse; stabilizes internal vessel pressure; supports safe continuous process operation
- Core Accessory Feature:
- F: Calibrated stainless steel compression spring; precision-guided pressure stem; reinforced seat alignment structure
- A:Accurate set-pressure control; fast opening under surge conditions; consistent resealing without leakage
- B:Enhances safety reliability; reduces pressure fluctuation risk; extends equipment lifespan and lowers maintenance frequency
- Seal Ring Feature:
- F:High-elastic sanitary-grade sealing ring with steam-resistant formulation; anti-aging & wear-resistant structure
- A: Excellent airtight performance; stable elasticity after repeated sterilization cycles; wide temperature adaptability
- B:Suitable for -20℃~150℃ working environments; prevents gas or vapor leakage; maintains safety compliance in hygienic processing systems




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