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butterfly valves
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710E High Performance Butterfly Valve

It adopts a unique eccentric structure between valve plate and seal. It has the advantages of compact structure, cutting performance, long life and so on. It doesn’t only regulate flow, but also can cut off. It is widely used in metallurgy, chemical industry, electric power, textile, food, medicine, papermaking and other industrial sectors.
Detail
Main technical parameters
Body size (mm)
50
65
80
100
125
150
200
250
300
350
400
450
500
600
700
800
900
1000
1200
Rated
Electricity coefficient Kv
100
150
200
405
620
1150
2200
3300
5100
6200
8100
10260
13500
19800
27000
35700
44600
55080
81000
Nominal pressure
(Mpa)
0.6      1.0      1.6      4.0 (DN50~400)
Flow characteristic
Percentage
Rated corner (0)
80(diaphragm)、90（piston、electric）
Actuator
Pneumatic Diaphragm
Table 5~8
Pneumatic piston
Single action
Torque (Nm)
Double action
Torque (Nm)
Electric actuator
Mark
Torque (Nm)
Air supply (Mpa)
0.25~0.4(Pneumatic Diaphragm) 、0.4~0.6(Pneumatic piston)
Electrical source (electric)
220V.AC or 380V.AC
Pneumatic Diaphragm spring range
(Kpa)
40-200        80-240
Signal
4~20mA、0~10mA、1~5V.DC

BUYER GUIDE
Data:
Type of valve, Valve size, purpose
Body size, Nominal pressure
Working temperature
Input pressure, outlet pressure
Fluid name, flux of medium, fluid state
Bonnet type,
Air supply, air-to-open or air-to-close
Material of Body and seat
Accessory:
Pneumatic retaining, Positioner, limit switches, solenoid valve, redactor, Handwheel, flange standard,
Flange interval
Other especial demand
Other