Butterfly valve|Gate valve|Globe valve|Power plant valve-Shanghai Huixuan Valve

D971X QT type electrical butterfly valve

D971X QT type electrical butterfly valveD971X QT type electrical butterfly valve
D971X QT type electrical butterfly valve

D971X QT type electrical butterfly valve Product introduction

D971X QT type electrical butterfly valve turns multi-turn rotational motion into partial rotational motion  through reducer by electromotor. Provided with features of starting and closing steadily, large output torque, and the labor intensity of the operator can be greatly reduced, Especial for high pressure, heavy caliber Valves; It is suitable for being installed at the place can not be manual manipulation or hard to access, the Electric wafer butterfly valves are unlimited by height of installation, easy for remote control, make for the overall system automation; power source could be obtained easier than pneumatic or hydraulic source, the establish of electric wire is simpler than pneumatic or hydraulic line. But the structure is complicated, should be taken protection against the moisture and explosion. Normally used in the environment temperature under 50℃, and the relative humidity less than 80%.

D971X QT type electrical butterfly valve  Product features

● The shell of valve are fully made by die-casting aluminum and precision machine work, the quality of key parts is steady.
● The valve is with small size, light weight, adopted spraying technology to guarantee a excellent appearance quality.
● It is convenient for adjustment of stroke control or torque switch, safe and reliable.
● High accuracy of transmission parts, adopting ball bearing at each position, high efficiency, low noise operation.
● Output shaft transmitted by worm gear pair, can self-hold at any position.
● Hand/motor operated switching mechanism is semi-automatic electric driven prior to hand driven, to assure operation safe and steady.
● Along with perfect outdoor features, prevent from condensation, inside space heating dehumidifier.
● Various types of flange connection, valve connector inside of output shaft, easy to disassemble.

D971X QT type electrical butterfly valve Optional features:

● 4-20mA DC valve location feedback signal
● Adding electric module to realize self-regulation.
● With limit switch to provide electrical independent contact for control
● Monolithic type control, with remote switch or transfer features.
● Inside electrical machine thermal protective element.
● More functions according to customers’ requirement.

D971X QT type electrical butterfly valve Technical parameters

D971X QT type electrical butterfly valve Standard
Item
Adoption standard Optional standard
Design Manufacture Acceptance
GB/T12238-2008 ISO/DIN10631、API598
Valve structure lengh
GB/T12221-2005 ISO5752
Valve flange length
GB/T9113-2010 ANSI B16.5、ISO7005、JIS B2238、2239
Inspection
GB/T13927-2008 ISO/DIN5208
Mark
GB/T12220-1989 ISO05209


D971X QT type electrical butterfly valve Performance parameter:

Product name
Wafer center line-type butterfly Valve
Supply voltage
220VAC/380VAC
Connection
Wafer Lug
Input Signal

4-20mA.DC、1-5V.DC、0-10V.DC

Nominal diameter
DN40-DN500 DN50-DN500

Output Signal

Active, passive contact signal, over torque signal 4-20mA.DC

Nominal pressure
PN10/PN16

Stroke Time

Stroke Time 0-90° for 30S~60S

Test pressure

Housing:PN×1.5

Seal:PN×1.1

Manual Manipulation
Hand wheel
Surface coating
Epoxy Coating
Limit Part

Mechanical 、Limited baffle

Driven type
Electric actuated device

Motor Protection

Concealed overheat protection, overload protection

Applicable temperature
-30℃~180℃

Withstand Pressure

1500VAC/1minute

Applicable mediums
Water, salt, acid, alkali, nature gas, air, alcohols, oils, food, steam, etc.

Insulation Resistance

100MΩ/500VDC

Level of Protection

IP67/IP68

Anti-hazard Classification

ExdⅡBT4

 

 

Environment Temperature

-20℃~55℃

D971X QT type electrical butterfly valve Main part material

D971X QT type electrical butterfly valve Optional materials for parts
Name
Optional Materials
Body
Ductile Iron(DI), Gray Cast iron(CI), Cast Steel(WCB), Stainless steel(CF8/CF8M)
Disc
Ductile iron nylon coating(N),Plated ductile iron(D), CF8(P), CF8M(R),Aluminum bronze(T)
Seat
EPDM , NBR. PTFE, VITON, EP, EPDM ,EPDM
Shaft
416SS 316SS 304SS CS45#coating with Ni,P
Actuator Basic switch, monolithic switch, monolithic adjustment, Basic explosion proof type, monolithic explosion proof type electric actuated device

D971X QT type electrical butterfly valve Main dimension

Specs
H
H1
H2
L
A
B
ΦD
N-Φ
N-M
ΦC
mm
in
PN10
PN16
PN10
PN16
PN10
PN16
DN40
1.5"
208
138
257
33
243
170
110
4-19
----
----
200
DN50
2"
208
140
257
42
243
170
125
4-19
4-M16
200
DN65
2.5"
225
150
257
45
243
170
145
4-19
4-M16
200
DN80
3"
250
160
257
45
243
170
160
4-19
8-M16
200
DN100
4"
285
180
263
52
275
200
180
4-19
8-M16
200
DN125

5"

309
190
263
55
275
200
210
4-19
8-M16
200
DN150
6"
340
200
263
56
275
200
240
4-23
8-M20
200
DN200
8"
596
240
304
60.6
293
220
295
4-23
8-M20
12-M20
200
DN250
10"
475
270
304
65.7
293
220
350
355
4-23
4-26
12-M20
12-M24
200
DN300
12"
550
310
342
77
334
260
400
410
4-23
4-26
12-M20
12-M24
260
DN350
14"
604
334
342
76
334
260
460
470
4-23
4-26
16-M20
16-M24
260
DN400
16"
722
400
342
86
334
260
515
525
4-26
4-30
16-M24
16-M27
260
DN450
18"
760
422
342
105.6
334
260
565
585
4-26
4-30
20-M24
20-M27
260
DN500
20"
850
480
342
132
334
260
620
650
4-26
4-33
20-M24
20-M30
260

D971X QT type electrical butterfly valve Product order instruction

D971X QT type electrical butterfly valve Ordering instruction

1. Ordinary type electric actuated device is suitable for the following conditions:
1) Elevation not higher than 1000m
2) Working environment temperature: 20℃~55℃
3) Working environment humidity not more than 90%
4) Without strong corrosivity, inflammable, explosive mediums in the working environment.
5) Short time working system, rated time 10min, 15min or 30min.
2. Users should indicate before ordering for the next working environment conditions:
1) Environment temperature, temperature, elevation are not in accordance with above conditions.
2) Air is serious pollution by dirt, smoke, corrosive particle, radioactive particulate, steam or salt mist.
3) Encroached by mould or microorganism.
4) Installed area in the danger of fire or explosion hazard.
5) Suffered drastic vibration, impact or bump.
6) Other abnormal working conditions.
3. Our company will provide special protective features device according to customers’ requirements.
4. Indicate the requirements of installation and operation while ordering, to assure choose appropriate electric device and relative mechanism or parts.

 

D971X QT type electrical butterfly valve  Installation instruction

1. Pipeline wafer type flange standard should be in accordance with butterfly valve, dedicated flange of butterfly valve is recommended for wafer type connection flange.
2. Users should check the working conditions if it is accordance with the butterfly valve.
3. Lumen and sealing surface should be cleared up before installation, no waste adhering.
4. Both side of valve seat extruded as seal washer of flange, no need to use seal washer for butterfly valve
5. The butterfly valve could be installed at horizontal, vertical and any other angles of pipelines, and could be used in two-way.
6. The butterfly valve can not be installed at the corners of pipeline, no handstand installation allowed.
7. The butterfly valve must be closed when installing, to assure valve plate not to impact with the pipeline flange.
8. Verify flange welded without defects. Can not weld after installation to avoid to scald rubber articles and antiseptic coatings.
9. For abnormal situations on switching, should check it out, remove faults, do not open or close the valve with external force.

High quality electrical butterfly valve operating requirements:

1. The safe operation rules of electric butterfly valve should in accordance with the instructions of electric device and controller.
2. The valve must be mediated for the first using, adjust the phase sequence if it is incorrect.
3. The electric device should situated at the top or side of the Electric butterfly valve, do not turn over
4. At the environment of having rainwater, spatter of raw materials and sunlit situation in a long period, it is necessary to install protection cover for the whole motor mechanism, meanwhile please considerate the motor mechanism ventilation and heat dissipation.
5. Please reserve connection wire and maintaining space while installing.
6. Do not put two or more motor operating mechanism power line in series or in parallel, or the device will be out of control because of mutual interference of capacitive.
7. Wiring entrance need to be sealed up in accordance with operating requirements, or the motor operating mechanism will be damaged by water or other liquids.
8. Manual manipulation after power down.

D971X QT type electrical butterfly valve Related Products

Previous:High quality electrical butterfly valve

Next:D671X-16Q Pneumatic driven butterfly valve


Shanghai Huixuan Valve&Pipe Co.,Ltd     Address :No.720 Suide Road,Jiading district,Shanghai,China
English website :www.hxvalves.com       Chinese website:www.shxvalve.com
Tel:+86+17717522891   Fax:+86-21-62540838    Email :info@shxvalve.com
Copyright © 2012  Shanghai Huixuan Valve&Pipe Co.,Ltd