Electric control valve

Nominal diameter: 20—300mm
Nominal pressure: 1.6 Mpa, 4 Mpa, 6.4Mpa
Valve body material: cast steel,
cast stainless steel
Connection way:
flange connection according to JB79-59
Operating temperature range:
normal type: -20℃—+230℃
heat dissipation type:-60℃—+450℃
Function form: electric on-off
Flow characteristic:
equal percentage、linear
Leakage:
single-seat valve 0.01%×rated Kv
double-seat valve 0.5%×rated Kv
sleeve valve 0.5%×rated Kv
Power supply:220V;380V
or according to the customer’s demands
Input signal: 4-20mA or switching value,
Feedback : 4-20mA
Control accuracy:1%, 2.5%