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Single-seated Control Valve
Brief DescriptionType 5611 single-seated control valve is made up of multi-spring pneumatic diaphragm actuator and low flow resistance of single-seated control valve body, Multi-spring thin membrane actuator’s function is low height, light weight, simple equipment, Body f
DetailsBody
Type: Single-Seated ball valve
DN: 15-250mm
PN:PN1.6、4.0、6.4MPa ，ANSI125、150、300、600；
Connection: Flange, BW, SW(Optional, for DN15-DN50)
Body Material: WCB，WC6，WC9，C5， CF8，CF8M etc.
Bonnet Type: Standard type(P):-17～+230℃
Elongation type(E1): -45-17℃、+230-600℃
Elongation type(E2): -100-45℃
Elongation type(E3):-196-100℃
Radiation fin is available for option
Gland type: Bolt pressing type
Packing: PTFE (V-shape), 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,17PH etc.-
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.
（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.
Nonmetal seat: accordance with ANSI B16.104IV level which is less than 10-7 of rating CV.
Adjustable: 50:1（Optional 100:1）
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.
