High Pressure Single-Seated Control Valve
High Pressure Single-Seated Control Valve
Brief Description

Type 5691 High Pressure Single-Seated Control Valve is a kind of top guiding control valve, valve structure is compact, less pressure drop loss, large flow rate, wide adjustable range. Guiding area of valve disc guiding is big, and good vibration resistan

Details

Body

Type: Single-Seated Ball Valve

DN: 25-80mm
PN: ANSI900、1500、2500

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

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

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

Elongation type(E1):+230-566℃

Gland type: Bolt pressing type

Packing: flexible graphite


 

Valve trim

Valve disc: Single type plunger valve disc

Control characteristic: Equal percentage, linear, quick open

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

 

Actuator

  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.

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)

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

Performance

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

Adjustable ratio: 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.