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'WJ' Cast Steel Parallel Slide Blow off valves rack and pinion operated are manufactured with flanged ends as per BS-10 Table 'J' for maximum Boiler operating pressure of 350 PSIG (24.6 Kg/Cm2g) at 800oF (425oC) temp. These valves are tested at 700 PSIG. (49.2 Kg/Cm2g) hydraulic pressure.
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