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Crosby | Series JOS-E / JBS-E Pressutre Relife Valves

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توضیحات

آتصا | ابزاردقیق و اتوماسیون
Crosby Series JOS-E and JBS-E spring loaded pressure relief valves have been engineered to provide high quality over-pressure protection for air, gas, steam, vapor, liquid and two-phase applications in an exceptionally rugged, standardized design to the process and power industries. Series JOS-E and JBS-E pressure relief valves are manufactured in accordance with ASME Pressure Vessel Code, Section VIII and capacities are certified by the National Board of Boiler and Pressure Vessel Inspectors.
All Crosby pressure relief valve castings and forgings are procured to ASME/ASTM material specifications and are available in a number of material combinations such as Monel ®, Hastelloy® and stainless steel. In addition, Series JOS-E and JBS-E relief valves offer a number of special material combinations such as Titanium, Duplex Stainless Steel and Inconel ®, and are available on application.
Dimensions of flanges conform to current ASME Standards. All steel raised face flanges are spiral concentric serrated finish with 45 to 55 grooves per inch and a finish between 125 Ra and 200 Ra. Other flange facings, such as Ring Type Joint, are available on request.
Features:

Simplified disc insert retention for ease of maintenance.

Standard Inconel® 625 bellows and bellows flange material for superior corrosion resistance, longer service life and a wider range of applications.

Universal disc holder allows for simple and cost-effective conversions from conventional to balanced bellows design.

Standard threaded bellows design for ease of maintenance and conversion from conventional to balanced bellows design.

Rugged nozzle ring design.

Optional welded bellows attachment is available for special applications.

Series JLT capacities certified on liquid and gas.

Improved parts interchangeability, regardless of top construction.

Field proven series JLT trim for stable, non-chattering operation on liquid and gas service.

Standard chrome steel spring for -75°F to +650°F [-59°C to +343°C].

Easily converted to any type cap or lifting lever construction, liquid trim, soft seat or balanced bellows configurations.

Full compliance with ASME Boiler and Pressure Vessel Code Section VIII and API Standards 526* and 527.

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