Broady Type 3500 Safety Relief Valve UK & Ireland

Broady Type 3500 Safety Relief Valve

The Broady 3500 relief/safety relief valve is designed to have a short ‘simmer’, then to open rapidly to the fully open position, and to re-seat at a controlled pressure. When the valve is in its fully lifted position, the discharge area is controlled by the bore of the nozzle, which ensures that flow calculations for various mediums can be reliably made.

Valves are supplied in sizes 1” x 2” to 8” x 10”, orifices ‘D’ through to ‘T’ and can be manufactured in Cast Steel, Stainless Steel and many other materials to suit the application, with flanges to customers’ requirements.

Product Benefits

Valves can also be supplied with a packed lever or open lever lifting device, limit switch to indicate opening and closing of the valve, governing ring to limit adjustment of the spring to the set point, for ease of re-setting, balanced bellows when there is a variable back pressure.

Technical Data

Sizes

1″ x 2″ up to 8″ x 10″

Design Standards

ASME Section VIII Division 1 (Latest Ed.)

API 520 (Latest Ed.)

API 526 (Latest Ed.)

Flanges

In accordance with ASME B16.5, DIN EN 1092-1 or JIS 2220

(Other standards/options available upon request)

Material

Carbon Steel, Stainless Steel, Duplex, Super Duplex, Inconel and more

Orifice Designations

API orifice designations from ‘D’ to ‘T’

Set Pressure

0.34 Barg to 425 Barg

Medium

Gas, liquid and vapour applications

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