ã€Structure and use】 Multifunctional pump control valve is composed of main valve 1, control valve 2, filter 3 and so on. For industrial and mining, business, high-rise buildings in the water supply and drainage system with a direct stop valve, check valve, electric valve and water hammer eliminator four functions. Especially suitable for supporting automatic water control system, without the need of electrical controller and external power, according to the conventional automatic opening and closing, with a quick closure, slow closing and absorbing cavity three kinds of functions to prevent and eliminate water hammer, which can effectively improve the system safe and reliable Sex. Meet the system engineering equipment automation control requirements. ã€Main technical parameters】 Nominal pressure 1.0MPa 1.6MPa 2.5MPa Shell test pressure 1.5MPa 2.4MPa 3.75MPa Seal test pressure 1.1MPa 1.76MPa 2.75MPa Working temperature ≤ 80 ℃ Water hammer peak ≤ 1.5 times (working pressure) Minimum working pressure P1 ≥0.07MPa Slow closing time 3 ~ 120S (adjustable) Pressure loss ≤0.03MPa (flow rate 2M / S) Applicable medium water ã€Main appearance size】 DN (mm) L (mm) H 240 270 Flange connection size: PN1.0MPa, PN1.6MPa Press GB4216.
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