Product Features

· BELLAZN series double seat control valve with BELL electric linear actuator,High precision adjustment, and has a fault alarm function.

·According to user needs, BELLAZN series double seat control valve can also increase the inplace panel display and remote control settings.

· double seat control valve can withstand higher pressure, differential pressure of input and output is large could choose such valves.

Parameters of Automatic Control Valve

The material of valve body: cast iron, cast steel, cast stainless steel and so on.

Pressure grade: 1.6Mpa, 4.0Mpa, 6.4Mpa

Connecting type: Flanged according to JB79-59

Temperature range: normal temperature -20---230ºС   the thermal fin type -60---450ºС

Operation form: electric power on or off

Flow characteristic: equal percentage, linear

Leakage: 0.5%* rating Kv

The main parameters of the actuator

·Input, output signal: 4-20mA DC;

·Input channel resistance: 250 ohms;

·Basic error: ± 1%;

·Dead: 0.5% --3% (adjusted according to system requirements);

·Power supply voltage: Three-phase 380V 50Hz single phase 220V 50Hz (other power can be customized);

·Working temperature: Integral type -10 ℃ ~ + 55 ℃, Discrete type -25 ℃ ~ + 70 ℃;

·Operating humidity: ≤85%, ambient air does not contain corrosive properties;

·Protection class: IP65, bus type, intelligent IP67;

·Communication Interface: bus line with international standard protocol PROFIBUS-DP.

BELLAZN、ZAZN double seated control   valve specification table

Note: The large-diameter double seat control valve can be customized according to user requirements.

About descriptions of Actuator, please see "Valve Actuator" section.

Size chart (with BELL straight stroke electric actuator)

Note: The large-diameter double seat control valve can be customized according to user requirements

The basic dimensions of pipe flange：cast iron body PN1.6 according to   JB78-59

                                     cast Steel body PN4.0, PN6.4 according to JB79-59