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Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve

Parameters of Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve
  1. The various materials of valve castings and internal parts with various materials can suit special working conditions;
    2. It can reduce the noise level, improve the anti-cavitation and anti-flashing performance, and eliminate the blocking flow;
    3. The flow coefficient range of cage guided control valve is large, and the adjustable ratio range is large;
    4. The optional metal bellows seal can prevent leakage of corrosive and highly toxic medium and pollute the environment;
    5. Easy to disassemble and install the trim, and easy to inspect and maintain;

Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve

Description

Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve

 

Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve is a high-performance regulating valve suitable for the flashing and cavitation occasions caused by high-pressure difference. The strong sleeve of the cage guided globe control valve protects the valve body from flashing and cavitation. The flow channel of cage guided control valve is an S-shaped streamline, the pressure drop loss is small, the flow rate is large, and the adjustable range is wide. The valve plug has a large guiding area and good shock resistance. The adjustment performance is fully compliant with IEC or GB standards. This cage guided globe control valve is equipped with a multi-spring diaphragm actuator, which has a compact structure and a large output force. Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve is widely used in applications requiring high reliability and shut-off performance, low temperature, and high-pressure process line. Due to the wide range of materials and diverse design forms, these valves can be used in various industrial fields (such as chemical, gas, electricity,paper-making, food, metallurgy and mining, etc).

 

Feature of Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve

  1. The various materials of valve castings and internal parts with various materials can suit special working conditions;
    2. It can reduce the noise level, improve the anti-cavitation and anti-flashing performance, and eliminate the blocking flow;
    3. The flow coefficient range of cage guided control valve is large, and the adjustable ratio range is large;
    4. The optional metal bellows seal can prevent leakage of corrosive and highly toxic medium and pollute the environment;
    5. Easy to disassemble and install the trim, and easy to inspect and maintain;
    6. It adopts high-quality materials and surface treatment technology (polishing, Stellite alloy, heat treatment, chromium nitride coating), and the cage guided globe control valve has long service life and reliable operation;
    7. The direct and reverse acting is realized by the cooperation of the pneumatic film multi-spring actuator, and the spring range (the number of springs is unchanged) can be changed without adding other parts;
    8. The operation mode can be pneumatic, electric, and electro-hydraulic linkage;
    9. A manual operating mechanism can be installed on the side or top of the actuator.

 

Structure and Specification of  Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve

Actuator Type Pneumatic Diaphragm Type<ZP6100>
Air Supply Pressure 140KPa 340KPa
Spring Range (20-100KPaG) (80-240KPaG)
Electric Connection NPT1/4、NPT3/8
Directing Acting Valve close when air pressure increasing <FO>
Reverse Acting Valve opens when air pressure increasing <FC>
Backlash <1.5% (with positioner)
Dead Zone <1% (with positioner)
Temperature -10〜70°C
Painting  Color Light green
Accessories Positioner, solenoid valve, limit switch, filter pressure reducing valve, lock valve, air control valve

 

Pneumatic Quick Open Eq Linear Cage Guided Globe Control Valve

 

Required Information When Ordering Pneumatic Quick-Open EQ Linear Cage Guided Globe Control Valve

1.Working medium and temperature, medium density;
2.Inlet area pressure and outlet area pressure of the cage guided control valve;
3.max/normal/min flow for the cage guided globe control valve;
4.Connection method,operation mode,fault location;
5.Pipe diameter/ nominal diameter/ nominal pressure;
6.Accessories: positioner, solenoid valve, filter pressure reducer, limit switch, lock valve, etc.;

Additional information

Body/Bonnet

WCB,LCB,WC6,WC9,CF8,CF8M,CF3, CF3M

Plug Materia

F304,F316,etc

Sleeve Material

F304,F316,etc

Resurfacing Welding

standard, surfacing welding tungsten carbide, soft seal

Stem Material

17-4PH ASTM A276 F304

Body Type

staight-way/angle/jacket insulation

Packing

PTFE/asbestos/graphite

Gasket

serrated gasket(soft carbon steel, SUS316, other alloy steel), spiral wound gasket

Upper Bonnet Type

(1).Standard Type:-17~+230℃
(2). Extended ⅠType:-45~+17℃ or more than 230℃(heat dissipation type)
(3).Extended ⅡType:-45~-100℃
(4). Extended Ⅲ Type:-196~-100℃
(5).Bellows sealing type(forming type/welding type)
(6). Steam Jacket Type

Leakage Class

(1).Metal seal: ANSI B16.104 Ⅳclass (ANSI B16.104 Ⅴ class is available)      (2).Soft seal: ANSI B16.104 Ⅵ class

Flow Characteristic

Equal Percentage/Linear/Quick Open

Connection Type

flange(RF/FM),butt welding

Flange Connection

HG20592-2009, ANSI B16.5

Actuator

pneumatic diaphragm/pneumatic piston/electric/ electric hydraulic actuator

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