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流量控制閥 Cla-Val 流量控制/流量控制閥通過將流量限制在預(yù)選的最大流量來防止流量過大,而不管管線壓力如何變化。先導(dǎo)控制響應(yīng)安裝在閥門下游的孔板產(chǎn)生的壓差。由于控制壓差的微小變化會立即對主閥進(jìn)行校正,因此可實(shí)現(xiàn)精確控制。 Cla-Val 流量控制閥有多種配置可供選擇,包括無處不在的 40-01 型流量控制閥、43-01 型流量控制器和截止閥的組合流量以及 49-01 型流量和壓力組合流量減壓閥。 這種類型的自動控制閥的典型應(yīng)用是作為壓力型過濾器流出物控制閥,盡管通過過濾器的壓頭損失發(fā)生變化,但仍
Cla-Val Flow Control/Rate of Flow Control Valves prevent excessive flow by limiting flow to a preselected maximum rate, regardless of changing line pressure. The pilot control responds to the differential pressure produced across an orifice plate installed downstream of the valve. Accurate control is achieved as very small changes in the controlling differential pressure produce immediate corrective action of the main valve.
Cla-Val Flow Control Valves are available in various configurations including the ubiquitous Model 40-01 Rate of Flow Control Valve, Model 43-01 Combination Rate of Flow Controller and Shut-Off Valve, and Model 49-01 Combination Rate of Flow and Pressure Reducing Valve.
A typical application for this type of automatic control valve is as a pressure type filter effluent control valve where a constant flow rate is maintained despite variation in head loss through the filter, or anywhere a constant rate of flow is desired.
40-01 & 640-01
Rate of Flow Control Valve
49-01 & 649-01
Rate of Flow and Pressure Reducing Valve
40-25 & 640-25
Rate of Flow and Pressure Sustaining Valve
43-01 & 643-01
Rate of Flow Controller and Solenoid Shut-Off Valve
X52E
Orifice Plate Assembly
131-01 & 631-01
Electronic Control Valves
131-22 & 631-22
Electronic Interface Control Valve
131-66 & 631-66
Electronic Control Valve with Controller
131-73 & 631-73
Electronic Interface Valve-Industrial Service
133-01 & 633-01
Metering Valve
133-AV
Multi-Function Electronic Interface Valve
133-AW
Multi-Function Electronic Interface Valve
136-01 & 636-01
Solenoid Control Valve
340-07 & 3640-07 Electronic Rate of Flow Valve
136-03 & 636-03
Solenoid Control Valve