Pneumatic Diaphragm Control Valve
Product Name:Pneumatic Diaphragm Control Valve
Material :Cast steel,cast iron,stainless steel ,etc
Feature:Small size, light weight, simple connection,high accuracy regulation,allowable differential pressure, good stability,easy maintenance
Composition:Pneumation diaphragm(linear turn)actuators and valve body
Optional Accessories:Positioner indication,Air filter,Position switch,Valve position feedback,Emergency action device,Handwheel.etc
Application:Chemical, petroleum,metallurgy, environmental protection,electricity, water,petrochemical, paper, pharmaceutical,light industry, food, beverage plants, woventextile, chemical fiber, teaching equipmentand other industries.
Diameter DN(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
Valve Plug
Diameter (mm) |
10 |
12 |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
Rated Flow
Coefficient Kv |
1.2 |
2 |
3.2 |
5 |
8 |
12 |
20 |
32 |
50 |
80 |
120 |
200 |
280 |
450 |
700 |
1100 |
Pressure (Mpa) |
1.6 4 6.4 |
Match BZH
Actuator type |
BZHA/B-11 |
BZHA/B-22 |
BZHA/B-23 |
BZHA/B-34 |
BZHA/B-45 |
BZHA/B-56 |
Rated Travel (mm) |
10 |
16 |
25 |
40 |
60 |
100 |
Flow Characteristic |
Equal percentage Linearity |
Mode of Action |
Air open/close |
Connection |
Flange connection according to Standard JB79-59 |
Body Type |
straight-through type, angle type. |
Bonnet Type |
standard type, heat dissipation type, cryogenic type, bellows |
Temperature Range |
Normal temperature:-20~230 °C
thermal slug type: -60~450 °C |
Flange Standard |
JB79-59, JB/T79.1-94,etc |
Valve Body Material |
Stainless steel 304,316,321,WCB(Cast steel),Alloy,etc |
Core/Seat Material |
Stainless steel 304,316,321,WCB(Cast steel),Alloy,Corrosion resistant,etc |
Optional Accessories |
Positioner indication,Air filter,Position switch,Valve position feedback,Emergency action device,
Handwheel.etc |
China Bell Group professionally serves various industrial production, end users are steel mills, cement plants, power plants, water treatment plants, chemical plants, mines and so on.
Responsed to Chinese government's call firstly, China Bell Group develop towards large international enterprise, now Bell Group has established a comprehensive system of export (including various producing standards, international freight, L/C management, funding, international sales and service teams), already has a large number of international customers.
China Bell Group, adhering to be professional and rigorous, has been producing and providing products of China most influential brands for customers.
Group subsidiaries are:
Tianjin Bell Automatic Instrument Technology Co., Ltd. ----- industrial control valves and actuators expert
Tianjin Beili Mechanical and Electrical Company ----- China authorized agent of Siemens motors.
Beida Mining Equipment Co., Ltd. ---- professional manufacturer of vulcanizing machine
Tianjin Beiao Trading Company ----- SEW manufactured in China and other international brands Exporters
China Bell Group with the subsidiaries, will provide customers with more favorable prices, higher quality products, and warmly welcome international friends negotiation and cooperation.