
Mahab cast iron check valve , Iran
The Mahab cast iron check valve is constructed with a ductile iron GGG40 body and internal and external epoxy coating for superior corrosion and pressure resistance. It is available in nominal diameters from 50 to 800 millimeters, with a pressure rating of PN10 to PN16. The disc is made of AISI 304 stainless steel with a corrosion-resistant shaft, and NBR rubber sealing ensures zero leakage performance. The flanged ends are designed according to EN 1092-2 standard, and the valve can operate at temperatures up to 80°C. Its swing-type disc design provides smooth, noise-free opening and closing.
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The Mahab cast iron check valve is used to prevent reverse flow in water, wastewater, and industrial piping systems. Hydrostatic testing is performed at 24 bar, and leakage testing at 17.6 bar. The machined seat with ±0.2 mm precision ensures perfect sealing under variable pressure conditions. A 250-micron powder epoxy coating increases service life and wear resistance. The valve weighs approximately 55 kg at 300 mm size, and its hydrodynamic body design minimizes pressure drop across the flow.You can order and buy Mahab cast iron check valve from Iran by contacting us through whatsaap and email.
WEBSITE: Mahab cast iron check valve Iran
Installation and Maintenance Guide for Mahab Cast Iron Check Valve
Before installing the Mahab cast iron check valve, the system flow and pressure must be fully shut off and released. The valve should be installed horizontally or vertically according to the manufacturer’s instructions to ensure leak-free operation and long service life. Flanges must be aligned, and bolts tightened with proper torque to avoid excessive stress on the body. Routine maintenance includes inspecting the disc, stem, and sealing elements, cleaning the internal mechanism, and lubricating moving parts. Preventing hydraulic shock, overpressure, and sediment buildup ensures long service life and stable valve performance. Following these guidelines enhances network safety and reduces maintenance costs in water, wastewater, and industrial systems.

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