1. Advanced equipment
2. Strong commonality
3. Compact form
4. Reliable in use
5. Macthing spool are provided
Pneumatic diaphragm cage single seated control valve
Specifications:
It widely used in chemical, petroleum, power plants, light industry, textile, metallurgical industrial production. Particularly applied to the situation of less leakage, greater differential pressure between valve inlet and valve outlet.
Pneumatic single-seated control valve(ZXG) use on-oriented structure, with mutil spring actuator. Compact structure, light weight, sensitive action.
Main parts materials:
Valve body, valve cover: ZG230-450, ZGlCr18Ni9Ti
Spool, the valve seat: 1Cr18Ni9T, Levin Titanium Alloy Welding Division + 1Cr18Ni9Ti 1Cr18Ni9Ti
+ PTFE
Stuffing: PTFE flexible graphite
Gasket: Rubber, , graphite spiral wound gasket
Membrane covered: A3 1Cr18Ni9Ti
Corrugated Diaphragm: NBR folder enhanced polyester fabric
Spring: 60Si2Mn
Stem, putting: 2Cr13, 1Cr18Ni9Ti
|
Valve Size DN(mm) |
20 |
25 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
|
Rated Flow Coeff. Kv |
LIN |
1.8 |
2.8 |
4.4 |
6.9 |
11 |
17.6 |
27.5 |
44 |
69 |
110 |
176 |
275 |
440 |
690 |
|
EQ % |
1.6 |
2.5 |
4.0 |
6.3 |
10 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
|
Press. Rating PN (MPa) |
0.6, 1.6, 4.0, 6.4 |
|
End Connections |
Flanged end(GB2555-81, GB2556-81) |
|
Flow Characteristics |
LIN, EQ% |
|
Valve Action |
Air to Close, Air to Open |
|
Inherent Rangeability |
50: 1 |
|
Air connection |
M16× 1.5 |
|
Supply Pressure (MPa) |
0.14, 0.25, 0.4 |
|
Ambient Temp. (Degree) |
-40 ~ 85 |
|
Actuator |
Actuator Type |
ZH-22 |
ZH-23 |
ZH-34 |
ZH-45 |
|
Effective Area (cm 2 ) |
350 (Diaphragm) |
560 (Diaphragm) |
900 (Diaphragm) |
|
Rated Stroke (mm) |
16 |
25 |
40 |
60 |
|
Spring Range (kPa) |
20 ~ 100, 40 ~ 200, 80 ~ 240, 20 ~ 60/60 ~ 100 |
|
External Dimensions (mm) |
L |
PN 0.6\1.6 |
181 |
184 |
222 |
254 |
276 |
298 |
352 |
451 |
600 |
|
PN 4.0 |
194 |
197 |
235 |
267 |
292 |
317 |
368 |
473 |
600 |
|
PN 6.4 |
206 |
210 |
251 |
286 |
311 |
337 |
394 |
508 |
650 |
|
H |
Normal Temp. |
398 |
410 |
455 |
457 |
610 |
622 |
640 |
870 |
890 |
|
High Temp. |
548 |
560 |
620 |
627 |
790 |
807 |
850 |
1130 |
1150 |
|
H1 |
PN 0.6 |
45 |
50 |
65 |
70 |
80 |
95 |
105 |
132 |
160 |
|
PN 1.6 |
52 |
57 |
75 |
82 |
92 |
100 |
110 |
142 |
170 |
|
PN 4.0 |
52 |
57 |
75 |
82 |
92 |
100 |
117 |
150 |
187 |
|
PN 6.4 |
65 |
70 |
85 |
90 |
102 |
107 |
125 |
172 |
207 |
|
Ø A |
285 |
360 |
470 |
|
W(kg) |
PN 0.6\1.6 |
19 |
20 |
26 |
30 |
47 |
55 |
65 |
130 |
175 |
|
PN 4.0\6.4 |
23 |
24 |
35 |
40 |
66 |
78 |
99 |
160 |
250 |
Shanghai ThinkTank Process Management Co., Ltd. is the sole production and R&D institute of Taiwan STONE Company in Mainland China. ThinkTank entered Chinese market in 2002 and moved from Hangzhou to Shanghai headquarter in 2012. Based on over 30 years experience in researching and manufacturing automatic instruments, brining in overseas advanced technology and combining domestic users real working situation, ThinkTank is specialized in producing new typed self-regulating valves, control valves and various kinds of automatic instruments. ThinkTank's business includes engineering projects such as electricity, metallurgy, petrochemical processing, light industry and building materials, municipal water service and natural gas.
Enterprise history
1985.08 Taiwan STONE company was established in Taipei city.
1990.02 Sales network covered Southeast Asia.
2002.06 Branch office was fund in Hangzhou, Zhejiang, handling all business in China
2012.10 Mainland head office was moved to Pudong, Shanghai
Shanghai ThinkTank Process Management Co., Ltd. Has a professional team works for control valves design and engineering application. ThinkTank develops a series of hi-tech products after absorbing overseas advanced technology and innovating.
*New self-regulating, micro pressure, differential pressure, flow, temperature control valve
*New pneumatic (electric) linear actuator (low dB, high pressure) control valve
*Pneumatic (electric) rotary actuator (O/V ball, butterfly) control valve
*Pneumatic (electric) special corrosion resisting control valve
Shanghai ThinkTank Process Management Co., Ltd sticks to the policy of "client oriented, quality comes first, and faith is root". Depending on many years experience on engineering application in various industries, ThinkTank provide clients with good, reliable full service, focusing on maximizing the rate of return on investment for clients.
