Electric modulating valve intelligent electric valve factory direct

 Electric modulating valve intelligent electric valve electric control valve Description: electric control valve installed in the main low pressure large-diameter pipes, used to cut off the flow path or flow adjustment. Connections are: flange and wafer type; Sealing form are: rubber seal and metal seal. Through the power signal to control the valve switch. The product can be used as pipeline system shut-off valve, control valves and check valves. Comes with a manual control device, in the event of a power failure, you can temporarily use manual operation, and will not affect use. Electric control valve part materials: Body: cast iron, steel, stainless steel, chrome molybdenum steel, alloy steel disc: steel, alloy steel (hard chrome plated), stainless steel, chrome molybdenum steel ring: rubber, PTFE, PPL, stainless steel, polyethylene inner fat, wear-resistant material Stem: 2Cr13,1Cr13 stainless steel, chrome molybdenum steel packing: PTFE, flexible graphite electric control valve parameters: Nominal diameter DN (mm): 50 ~ 1200 Nominal pressure: PN0 .6,1.6,2.5MPa Connection: flange, clip-on valve plate forms: vertical plate Flow characteristics: Approximate quick opening operation range: 0 ~ 90 ° leak volume: Press GB / T4213-92, the Kv value 10-4, soft sealing: zero leakage basic error: ± 2.5% hysteresis: ± 2.5% Dead: 1% (adjustable) Adjustable Range: 50: 1 configuration Actuator: can be equipped with PSQ, HQ, UNIC, 361RS, HR and other rotary actuators control mode: light switch in place (two switch control), smart regulation (4 ~ 20mA analog signal control)