Vacuum Breaker

UKL Vacuum Breaker is designed to protect plant & process equipment against the effect of vacuum, & the same time allow condensate to drain. Typically used on steam inlet to air coils, heat exchangers, sparge system, jacketed kettles, boiler feed water, chilled water lines & liquid process lines, all of which at one time or another generate vacuum conditions which must be relieved to allow proper system operation.

SPECIFICATIONS :-
Vacuum Breakers shall be used on all modulating or on/off heat exchangers & coils, except in vacuum return systems. They shall be installed in supply side between the control
valve & equipment & be of hardened ball check valve design with all working parts manufactured from stainless steel. Body shall be made from stainless steel depends on application, & shall be suitable for operating conditions of 21 bar (g).

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  1. UVB 21

    UKL make Vacuum Breaker in Stainless Steel as per ASTM A 276 Type 316

    Size  (NB)          Max. Op. Pr / Temp (kg/cm2 / oC) End connections OPERATING CHARACTERISTICS
    15 & 2021 / 400Screwed-BSPT/NPT

    Vacuum required to 

    open : 4.6 mm in Hg