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Pneumatic PTFE lined Anti-corrosive Control Valve

Parameters of Pneumatic PTFE lined Anti-corrosive Control Valve

PTFE lined single-seat control valve is a kind of bellow sealed single-seat control valve. The internal PTFE (F46) lined is workable with high corrosion medium, such as hydrochloric acid, sulfuric acid, nitric acid, hydrofluoric acid, etc.

Pneumatic PTFE lined Anti-corrosive Control Valve

Description

PTFE lined single seat control valve is a kind of bellow sealed single seat control valve. The internal PTFE (F46) lined is workable with high corrosion medium, such as: hydrochloric acid, sulfuric acid, nitric acid, hydrofluoric acid, etc.

 

JC

 

Actuator

 

H

 

Structure

Nominal

pressure

Body

material

Nominal

size

 

JC series control valve

J: pneumatic  

Hdirect travel

 

 

 

CF: standard PTFE lined control valve

 

 

 

DN25= DN25 NPS1 〞

=NPS1〞

diaphragm actuator C=WCB
H: pneumatic PN16=16 LC=LCB
piston actuator CL150LB= P=CF8
R: electric 3810L 150 LB PL=CF3
actuator JIS10K=10K R=CF8M
D: electric PSL RL=CF3M
actuator
Such as:JC type pneumatic diaphragm PTFE lined control valve, pressure : PN16, body material WCB, nominal

size DN50, type:JCJHCF-16C DN50

  • Performance
Flow characteristic Linear, percentage, quick open
Allowable range 30: 1
Rated Cv value Percentage CV6.3~400 ,linear CV6.9~440
Allowable leakage 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

◆ Special specification

 

 

Type

Method

Pneumatic diaphragm actuator Electric actuator
JCH23~ZH56 3810L series
Multi-spring type Intelligent integrated type
Usage Regulating type, ON-OFF type Regulating
 

Air supply pressure or Power supply voltage

Air supply pressure (Spring range) 140(20~100)Kpa G

240 (40~200) Kpa G

280 (80~240) Kpa G

 

Power: AC 200V±10% 50Hz Or Power: AC 380V±10% 50Hz ○1

 

Connector

 

Air pipe connector: RC1/4

Nomal type: cable inlet 2-PF(G1/2 〞 ) Explosive proof type: can install protection

jacket PF(G3/4〞)

Positive action Pressure increase, stem descend, valve

close.

Input signal increase, stem descend, valve

close.

Negative action Pressure increase, stem ascend, valve

open.

Input signal increase, stem ascend, valve

open.

Input signal 40~20mA.DC(with positioner) Input/output4~20mA.DC
Lag ≤1%FS(with positioner) ≤0.8%FS
Linear type 2%FS(with positioner) +1%FS
Environmental temperature  

-10℃~+70℃

Standard type: -10℃~+60℃ With space heater○1 : -35℃~+60℃

Explosive proof: -10℃~+40℃

Surface coating Green, acrylic acid polyurethane ceramic

coating

Blue, acrylic acid polyurethane ceramic

coating

 

Accessories

Electric-air (air-air) valve positioned, filter regulator, valve converter, solenoid

valve, limited switch

 

Space hearter (normal type)

◆ Parameter

 

Nominal size, DN 20 25 32 40 50 65 80 100 125 150
Rated flow

coefficient, Cv

Percentage 8 12 20 32 50 70 100 200 240
Linear 5 10 16 25 38 63 80 120 220 300
Travel 16mm 25 mm 40mm 60mm
Pneumatic actuator Diaphragm effective area, Ae

(cm2)

JCHA/B -22 JCHA/B-23 JCHA/B-34 JCHA/B -45
350 350 560 900
Action Spring range Max. allowable pressure difference(MPa)
 

Air open

20-100KPa 1.16 0.7 0.44 0.28 0.18 0.17 0.11 0.07 0.07 0.05
40-200 KPa 3.34 2.14 1.31 0.84 0.53 0.51 0.33 0.21 0.22 0.15
80-240 KPa 6.4 4.99 3.05 1.95 1.25 1.18 0.78 0.5 0.51 0.36
 

Air close

20-100KPa 2.23 2.14 0.87 0.56 0.35 0.34 0.22 0.14 0.15 0.1
40-200 KPa 6.4 6.4 5.86 3.64 2.3 2.21 1.43 0.91 0.95 0.66
80-240 KPa 6.4 6.4 6.4 5.04 3.18 3.06 1.98 1.26 1.32 0.92
Electric actuator Max. allowable pressure difference,(MPa)
Type Thrust(N)
3810L-08 800 2.38 1.52
3810L-20 2000 4.77 3.05 1.86 1.19 0.76
3810L-30 3000 2.79 1.79 1.14
3810L-50 5000 4.66 2.98 1.91 1.13 0.6 0.47
3810L-65 6500 1.35 0.8 0.57 0.39 0.26
3810L-99 10000 0.61 0.42

Additional information

Body type

straight through casting globe type

Spool type

non-balanced single seat plug type

Nominal size

DN20~150 NPS 3/4〞~ 6〞

Connection

FF,RF,MF,RTJ

Bonnet type

PTFE lined bellow sealed

Packing

V type PFTE packing, flex. graphite packing, etc.

Gasket

Metal graphite packing: PTFE

Actuator

pneumatic: multi-spring diaphragm actuator, piston type Electro: 3810L series smart actuator, PSL series actuator.

Surface painting

Green Acrylic acid polyurethane ceramic paint.

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