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Jiangsu Syeelai Environmental Technology Co., Ltd.

Stainless Steel Safety Valve/Back Pressure Valve

Safety valves and back pressure valves are essential protective and regulating components in fluid pipeline systems, widely used in chemical, water treatment, environmental protection and other industries. They can effectively stabilize system pressure, prevent overpressure damage to pumps, pipelines and related equipment, avoid medium backflow, and ensure safe, stable and continuous operation of the whole system.

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  • Stainless Steel Safety Valve/Back Pressure Valve

Features
1. Release pipeline pressure to ensure stable system pressure;
2. Protect pump safety and the normal operation of the system;
3. Used together with pulse dampers to reduce water hammer damage to the system and achieve excellent low-vibration regulation effect;
4. Reduce peak flow fluctuations and protect the pipeline system from pressure surge impact;
5. The diaphragm adopts advanced PTFE + rubber composite technology, which is suitable for almost all corrosive fluids with reliable sealing and no leakage.





Nominal Size (DN) Overall Length L (mm) Body Outer Diameter D (mm) Overall Height H (mm) Connection End Height h (mm) Thread Specification G
DN15 95 82 147 23 G1/2" Internal Thread
DN20 95 82 147 23 G3/4" Internal Thread
DN25 119 107 160 26 G1" Internal Thread
DN32 119 107 160 26 G1 1/4" Internal Thread
DN40 181 155 207 32 G1 1/2" Internal Thread
DN50 181 155 207 32 G2" Internal Thread
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About Us
Powering Global Industry with Precision Fluid Technology
SYEELAI specializes in corrosion-resistant fluid transfer solutions, professionally manufacturing a series of acid and alkali resistant pumps including liquid mixers, metering pumps, magnetic drive pumps, and vertical pumps. The company also undertakes custom fabrication of non-standard chemical filtration systems and provides professional design, installation, and commissioning services for chemical dosing equipment.
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