Pressure Reducing Valve | Various types of Pressure Reducing Valve-Nanotejarat

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Iran

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Mahab pilot operated pressure reducing valve

The Mahab pilot operated pressure reducing valve is made of ductile iron GGG40 with an electrostatic epoxy coating and is designed for precise pressure control in water distribution systems. It is available in nominal diameters from 50 to 400 millimeters with pressure ratings from PN10 to PN25. The pilot control system, made of brass or stainless steel 304, automatically regulates outlet pressure with ±0.2 bar accuracy. The diaphragm is made of reinforced NBR or EPDM rubber with temperature resistance up to 80°C. The flanged design complies with EN 1092-2 standard, and the maximum working differential pressure between inlet and outlet is 16 bar.

The Mahab pilot operated pressure reducing valve utilizes a self-regulating hydraulic mechanism to stabilize network pressure and prevent damage to downstream equipment. Functional testing is performed at 1.5 times the nominal pressure, with allowable leakage below 0.1% of rated flow. The 150 mm model weighs approximately 38 kg. The valve can be installed either horizontally or vertically and is widely used in municipal water systems, transmission lines, treatment plants, and industrial processes. A 250-micron powder epoxy coating provides excellent corrosion resistance and extends service life beyond 25 years.


sayalsanat	021-22087856

Komatsu Excavator Relief Valve – Pressure Reducing Valve

The Komatsu excavator relief valve is a hydraulic pressure-reducing valve designed to protect the hydraulic system from excessive pressure. Its standard operating pressure ranges from 250 to 280 bar and can be precisely adjusted via the control screw. The valve body is made of high-strength alloy steel with anti-corrosion coating and can withstand burst pressures up to 400 bar. The inlet and outlet ports have a diameter of 25 millimeters, allowing hydraulic oil flow up to 320 L/min. The internal design includes durable springs and high-pressure-resistant sealing components, extending the valves service life to over 10,000 operating hours.

This relief valve can be directly installed in the boom and bucket hydraulic circuits and performs reliably under heavy, continuous operation. Its precise operation prevents damage to pumps and hydraulic cylinders, ensuring system safety and durability. The valve weighs 3.2 kilograms and measures 180 millimeters in length, facilitating easy installation. Its robust design withstands vibration and shock, operating in temperatures from -20 to 80°C, with simple and quick maintenance. Stable performance under variable pressures maximizes efficiency and the overall hydraulic system lifespan.

Mahab pressure reducing valve

The Mahab pressure reducing valve is made of industrial bronze or ductile iron GGG40 with electrostatic epoxy coating, ensuring resistance to corrosion and high pressure. It is available in nominal diameters from 50 to 400 millimeters and can handle inlet pressures up to 25 bar. The adjustable outlet pressure range is between 1 and 16 bar. The diaphragm is manufactured from reinforced NBR or EPDM rubber with heat resistance up to 80°C. The internal design ensures that inlet pressure variations do not affect outlet pressure, providing stable and precise operation.

The Mahab pressure reducing valve operates automatically without the need for external energy. Its internal hydraulic control system with a precision pilot valve provides rapid response to pressure changes. Performance testing is conducted at 1.5 times the nominal pressure, with allowable leakage less than 0.1% of rated flow. It is suitable for municipal water systems, fire protection networks, and process industries. The 150 mm model weighs approximately 42 kg, and its direct flow design minimizes pressure loss while maximizing system efficiency.


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