Electric three way control valve (Three way shunting / confluence)

[Body]

Type: three pass casting structure, electric three way regulating valve

Nominal diameter: DN20-DN200

Nominal pressure: ANSI150, 300, 600LB, JIS10, 16, 20, 30, 40K, PN1.6, 2.5, 4, 6.4MPa

Connection: flange: FF, RF, RJ and LG

Flange standards: ANSI, B16.5, JIS, B2201, JB/T79.1, PN1.6MPa, JB/T79.2 thread: DIN, NPT, RC, BSP, G and other welding: GB12224-89

Sealing surface form: PN16 convex, PN40 concave

Material: WCB, 304, 316, 316L

Upper valve cover: standard type (-20 DEG C to +200 DEG C), low temperature type (-60 DEG C to -196 DEG C), heat dissipation type (-40 ~ 450 DEG C), bellows sealed type

Gland type: press plate type

Packing: V PVC, PTFE flexible graphite fluoride

[Valve structure drawing]

[Valve assembly]

Spool form: single seat plunger type

Spool, valve seat: 304, 316+STL

Flow characteristics: equal percentage, linear, quick opening

[Actuating mechanism]

Form: electric actuator

Action form: positive action and reaction

Control mode: proportional or switching type

Input signals: 4-20Ma, 0-10V, 1-5V, ON-OFF

Output signal: 4-20mA or passive contact signal

Power supply: AC220V, AC380V, DC24V and so on

Explosion proof grade: ExdIIBT4, ExdIICT6 or other (optional)

Manual device: with handle

[Parameter]

Rating KV: refer to table

Flow characteristics: linear, equal percentage, quick opening

Adjustable range: 30:1

Leakage level: metal seal: less than 0.01 (ANSI, B16.104-1976IV class) soft seal: less than 0.00001%

Backlash: less than full travel 1% (with locator) less than full travel 3%-5% (without locator)

Basic error: less than full range of + 1% (with locator) less than full journey + 5% (without locator)

[Valve features]
       Three electric valves, valve three through two seater, sleeve guide structure, regulatory agencies are divided into two kinds, the confluence of shunt flow, electric actuator for intelligent integration, without the servo amplifier, the input signal can be used in heat exchanger operation, two-phase adjustment and simple ratio adjustment.


[Adaptive condition]

       The electric three - way regulating valve (three - way shunting / confluence) consists of direct stroke electronic actuator and three-way valve. Embedded servo function, standard signal receiving unified 4-20mA or 1-5V.DC, the current signal into linear displacement corresponding to the automatic control valve opening, continuous adjustment of the fluid in the pipeline pressure, flow, temperature, level and other parameters. The valve structure of the three-way valve adopts a cylinder thin-wall window and adopts the side direction of the valve core. Used to adjust the proportional control or bypass, adjust the fluid temperature control system is especially suitable for the oil industry in the heat exchanger, a three-way valve can replace two single seat valve or valve seat use, occupy small space, save the installation cost and pipeline.