HSD
Stainless Steel 304 ; Stainless Steel 316 ; SUS420 ; 2205 Duplex SS
Flange 1'' to 8''
0.3-40 kgf/cm2
Stainless Steel 304 ; Stainless Steel 316 ; SUS420 ; 2205 Duplex SS
Model HSD, A Safety Valve or Safety Relief Valve is a valve that acts as a fail-safe. It's a valve that opens automatically to relieve excessive pressure. An essential component for any industrial system / pipelines.
Hants is a sub-brand of us. As a specialized manufacturer of open bonnet low lift safety valves and fittings, we provide reliable pressure relief and overpressure protection solutions for various industries.

Different types of Design and Disc Material Selections
Engineers design an open bonnet lift safety valve to provide a visual indicator of valve operation and allow for the standard use of a standard steel spring at high temperatures, such as those found in steam applications. The exposed or open bonnet allows the bonnet chamber to be vented to the atmosphere, enabling the use of a standard spring rather than a specialized, more expensive high-temperature spring or a protective bellows, thereby protecting the spring from the high-temperature fluid.
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