Pneumatic Angle Control Valve

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Description

Pneumatic Angle Control Valve:

Body type: Pneumatic Angle Control Valve
Spool type: single seat, sleeve type
Nominal size: DN20~200 NPS3/4 inch~ 8 inch
Nominal pressure: PN16 ~ 100 CLASS 150LB ~ 600LB
Connection: flange: FF,RF,MF,RTJ
Welding: SW,BW
Flange dimension: acc. to IEC 60534
Bonnet type: (-45℃~ higher than 230℃ occasion)
Low temperature extended type(-196℃~ -45℃)
Bellow seal type
Warm insulation Jacket type
Packing: V type PFTE packing, flex. graphite packing, etc.
Gasket: Metal graphite packing
Actuator: pneumatic: multi-spring diaphragm actuator, piston type actuator.
electric: 3810L series smart actuator, PSL series actuator.
Flow Characteristic Linear, Percentage, Quick Open
Allowable range 50: 1 (CV<6.3 30: 1)
Rated Cv value Percentage CV1.6~630 ,linear CV1.8~690
Allowable leakage Metal seal: IV grade(0.01% rated capacity)
Soft seal: VI grade(foam grade)Leakage standard:  GB/T 4213
Performance Pneumatic Electric
Allowable tolerance, % ±1.5 ±1.0
Return difference, % ≤1.5 ≤1.0
Dead zone, % ≤0.6 ≤1.0
Difference from beginning to end point, % ±2.5 ±2.5
Rated travel difference, % ≤2.5 ≤2.5
Note : specification on the basis of control valve with positioned and PTFE packing.

Item

Part Name

Material

1

Body

WCB

WC6

CF8

CF8M

2

Seat

304,316/Partial Stellite

316/Partial Stellite

3

Plug

Metal Sealing

304,316/Partial Stellite

316/Partial Stellite

Soft Sealing

304,316+PTFE

316+PTFE

4

Cage

304,316

316

5

Guide Sleeve

304,316

316

6

Stem

304,316

316

7

Bonnet

WCB

WC6

CF8

CF8M

8

Balanced Piston

HT200,Al

9

Balanced Piston Ring

Fluorine Rubber,SS+Reinforced PTFE,Flexible Graphite Ring

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