Double-Seat Cage type Control Valve
Double-Seat Cage type Control Valve
Brief Description

Type 5626 double-seat cage type control valve is s a control valve with balanced pressure. The flow channel is S type with a guiding flow wing which can improve sleeve’ stable motion, and it makes the small pressure drop, high flow and large adjustable ra

Details

Valve body:

Type: straight two seats ball type

Nominal size: DN25-200 mm

Working pressure: PN1.6,4.0,6.4MPa, ANSI125,150,300,600;

End connection: Flange, BW, SW (apply for DN15-DN50)

Material: WCB,WC6,WC9,C5,LCB,LC2,LC3,CF8,CF8M etc.

Valve bonnet : Standard type (P)  : -17 ~ +230℃

                        Extended I type(E1):-45 ~ 17℃、+230 ~ 566℃
                        Extended II type(E2): -100 ~ 45℃

        Extended III type (E3): -196 ~100℃

        Cooling fin type:+230 ~ 600℃

Packing gland : Bolted compressed-type

Packing : V-type PFTE, PTFE asbestos and flexible graphite


Trim

Valve disc : Pressure balanced type disc

Adjustable feature : equal percentage, linear type

Material : 304, 304 overlay STL, 316, 316 overlay STL, 316Letc.
 

Actuator

Pneumatic-actuator

Type 6100 Pneumatic Diaphragm Actuators

Membrane material: Ethylene propylene rubber filled with nylon

Spring range: 20-100KPa、40-200KPa、80-240KPa

Air supply pressure: 140KPa、160KPa、280KPa、400KPa

Air supply connection:Rc1/4、Rc3/8

Environment Temp: -30-+70℃

Acting type: air open ( reverse acting), air close (positive acting)

 

Note: (1) The type of large diameter or high pressure difference control valve can also be equipped with 6400 series straight stroke piston actuator.
(2) if the environment temperature below 30 ℃, please contact with Cepai engineers.
 

2Electric actuators

Type: 6200 series electric actuators

Voltage: 220V、380V

Environment Temp: -30-+70℃

Control Signal: 4-20mADC(supply 4-20mA signal feedback as per customer requirement)

 

Performance
Leakage rate: Metal seat:accordance with ANSI B16.104IV level which is less than 0.01% of rating CV.     

           Nonmetal seat: accordance with ANSI B16.104IV level which is less than 10-7 of rating CV.

Adjustable: 50:1

Variation:±1%( with positioner) ±3% (no positioner)

Linear: ±2%( with positioner) ±5% (no positioner)

Accessories ( As per requirements)

Positioner, Filter Regulator, hand wheel, limit switch, solenoid valve, valve position transmitter, pneumatic valve, speed increaser, lock up valve etc.