Control Valve

ZHJ Type Angle Control Valve

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Category : Control Valve. Tags : control valve, Linear actuator control valve

ZHJ angle control valve  (Pneumatic / Electric) specialized in high viscosity medium, easy for crystallization, with suspended particle and 90 degree angle area. Angle type control valve without dead space, so easy rinsing, convenient for maintenance and wide application. It can be applied with single or balanced cage disc, or multi-layer in high pressure difference occasion. It can also applied with multi-spring pneumatic diaphragm actuator or electric actuator, etc.

angle control valve Specification

Body type: Angle casting globe type
Spool type: single seat, sleeve type
Nominal size: DN20~200 NPS3/4〞~ 8〞
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.
Surface painting: Green color, acrylic acid polyurthene ceramic paint.

angle control valve Code

Z Actuator H Structure Nominal pressure Valve material Nominal size
Z series control valve J:  pneumatic diaphragm
H: pneumatic piston
R: electric 3810L
D: electric PSL type
Hdirect travel J:  standard angle single seat control valve
JF:  soft seal angle single seat control valve
JM: standard angle sleeve type control valve
JT:  two layer cage sleeve type control valve
JG:  radiator angle type control valve
JV:  bellow seal angle type control valve
JD:  low temperature angle type control valve
PN16=16
CL150LB=150LB
JIS10K=10K
C=WCB
LC=LCB
P=CF8
PL=CF3
R=CF8M
RL=CF3M
D= special
material
DN25= DN252
NPS1〞=
NPS 1〞
Such as: Z type pneumatic diaphragm angle single seat control valve, pressure PN16,valve material WCB,nominal size DN50,type: ZJHJ-16C DN50

angle control valve Performance

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.

angle control valve Special specification

Special test Material penetration flaw detection (PT), radiator test (RT),
flow characteristic test, low temperature test.
Special treatment Trim nitrogen treatment, seat hard alloy treatment.
Special rinse Degreasing and dehydration treatment
Special condition Special piping or connection, vacuum condition, S.S fastener, special coating.
Special dimension Customized face to face length or dimension
Test and inspection Third party test report

angle control valve Actuator

Type/Method Pneumatic diaphragm actuator Electric actuator
ZH23~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
Connector Air pipe connector: RC1/4 Nomal type:  cable inlet 2-PF(G1/2〞)
Explosive proof:  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 : -35℃~+60℃
Explosive proof: -10℃~+40℃
Surface coating Green, acrylic acid polyurethane coating Blue, acrylic acid polyurethane coating
Accessories Electric-air (air-air) valve positioned, filter regulator, valve converter, solenoid valve, limited switch Space hearter (normal type)
Note : non-standard accessories, need special customized notes.

angle control valve Parameter

Seat diameter(mm) 10 12 15 20 25 32 40 50 65 80 100 125 150 200
Rated Cv Percentage 1.6 2.5 4.0 6.3 10 16 25 40 63 100 160 250 400 630
Linear 1.8 2.8 4.4 6.9 11 17.6 27.5 44 69 110 176 275 440 690
Nominal size Travel Option flow coefficient Cv(★ standard ●recommended ○customized)
DN20 16mm                    
DN25                  
DN32 25 mm                
DN40                
DN50                
DN65 40mm                    
DN80                  
DN100                
DN125 60mm                    
DN150                    
DN200                  
Pneumatic diaphragm effective area,  Ae (cm2) ZHA/B-22 ZHA/B-23 ZHA/B-34 ZHA/B-45
350 350 560 900
Action Spring range Metal seal allowable pressure difference(MPa)
Air open 20-100KPa 4.46 3.09 1.98 1.16 0.7 0.44 0.28 0.18 0.17 0.11 0.07 0.07 0.05 0.03
40-200 KPa 6.4 6.4 5.94 3.34 2.14 1.31 0.84 0.53 0.51 0.33 0.21 0.22 0.15 0.09
80-240 KPa 6.4 6.4 6.4 6.4 4.99 3.05 1.95 1.25 1.18 0.78 0.5 0.51 0.36 0.21
Air close 20-100KPa 6.4 6.19 3.96 2.23 2.14 0.87 0.56 0.35 0.34 0.22 0.14 0.15 0.1 0.06
40-200 KPa 6.4 6.4 6.4 6.4 6.4 5.86 3.64 2.3 2.21 1.43 0.91 0.95 0.66 0.37
80-240 KPa 6.4 6.4 6.4 6.4 6.4 6.4 5.04 3.18 3.06 1.98 1.26 1.32 0.92 0.52
Electric actuator Metal seal allowable max. pressure difference(MPa)
Type Thrust(N)
3810L-08 800 6.4 5.5 3.5 2.38 1.52                  
3810L-20 2000 6.4 6.4 6.4 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 0.16
3810L-99 10000                       0.61 0.42 0.20
3810L-160 16000                       0.97 0.67 0.35

angle control valve Material and internal structure

Table 1: Body WCB
Body WCB LCB WC9
Seat 304 304 304
Spool 304 304 304
Gasket 316+ graphite/PTFE
Bushing 304 304 304
Bonnet WCB LCB WC9
Packing PTFE/ flex. graphite
Packing bushing 304 304 304
Gland WCB WCB WCB
Stem 304 304 304
Stud 45 40MnB 25Cr2Mo1VA
Nut 35 35 25Cr2Mo1VA
angle control valve Internal structure Table 2: Body S.S
Body CF8 CF8M CF3M
Seat 304 316 316L
Spool 304 316 316L
Gasket 316+ graphite/PTFE
Bushing 304 316 316L
Bonnet CF8 CF8M CF3M
Packing PTFE/ flex. graphite
Packing bushing 304 316 316L
Gland CF8 CF8M CF3M
Stem 304 316 316L
Stud 304 316 316L
Nut 304 316 316L
Note:
  • Above structure, seat is metal sealing, PTFE soft sealing is VI grade as option. Also can provide stillate hard sealing. As per actual working temperature, we may choose proper bolt & nut accordingly.
  • PTFE V type stem packing is with graphite, the working temperature can be higher than 232℃(450 F)
  • The common body material is WCB and S.S, can apply with other high corrosion resistance alloy material.

angle control valve Variety valve structure

MG type radiator sleeve control valve MV type sealed sleeve type control valve MD type low temperature sleeve type control valve
MG type radiator sleeve control valve, applicable to temperature -45℃~higher than 230℃. MV type sealed sleeve type control valve. Can apply with multi-layer bellow seal, protect medium against loss. MD type low temperature sleeve type control valve, spool integrated external suction structure, convenient and easy for maintenance.
JF type soft seal angle type single seat control valve JM type angle sleeve type control valve JT type two-layer angle type control valve
JF type soft seal angle type single seat control valve, applicable to V seal. JM type angle sleeve type control valve, applicable to high pressure difference occasion. JT type two-layer angle type control valve, symmetrical multi-pore cage for pressure reducing, applicable to control noisu and cavitation.