Bellows Seal Single-Seated Control Valve
Bellows Seal Single-Seated Control Valve
Brief Description

Valve disc of Type 5611W Bellows Seal Single-Seated Control Valve is top guiding structure, and its composition is compact-type, moreover, its S streamline access can reduce the pressure drop, promote flow rate and have variable range , also enhance its

Details

Body:

Type: Single-Seated ball valve
DN: 40-200mm

PN:ANSI125、150、300、600； PN1.6、4.0、6.4MPa

Connection: Flange, BW, SW(apply to DN15-DN50)

Body Material: WCB，WC6，WC9，C5， CF8，CF8M etc.

Bonnet Type: Standard type (P type):-17～+230℃

           Elongation type(E1): -45-17℃、+230-566℃

Packing: PTFE (V shaped), Teflon asbestos and flexible graphite


Valve trim

Valve disc:Top guiding single-seated plunger valve disc

Control characteristic: Equal percentage, linear, quick open

Trim material:304,304 overlay STL, 316,316 overlay STL, 316L

Bellows material: 304L, 316L, Ha C alloy etc.

 

Actuator

Action Type: Gas open (reaction), gas type (positive effect)

  1. 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.
 

（2）Electric 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.         
PTFE acetylene： accordance with ANSI B16.104IV level which is less than 10-7 of rating CV.

Adjustable ratio: 50:1

Variation:3%( with positioner) 5% (no positioner)

Linear: ±3%( with positioner) ±11% (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.