Everlasting Blowdown Valve 4010-S(57), 2-1/2", Class 300
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Everlasting 4010-S(57), 2-1/2" Boiler Blow Down Valves are based on ASME boiler and pressure vessel section 1 codes and ANSI B16.31 power piping codes. Applications include steam boiler blow down, surface blow down, water column drain, and shut-off and stop valves.
The 4010A series comes with a cast iron body, threaded ends, and a rack and pinion operator. It is available in sizes 1.5” through 2.5” and is rated at 250 lbs with a maximum blow off pressure of 200psi. This is a quick opening valve.
The 4010S(57) is the same as the 4010A except that it is rated as a 300 lb class valve with a maximum blow off pressure of 490psi.
The 4010S(58) is rated as a 600 lb class valve with a maximum blow off pressure of 935psi.
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