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Pneumatic forged steel fixed ball valve


Product model: Q647F / H / Y-16C

Nominal diameter: DN50-500mm

Working pressure: PN1.0-42.0mpa

Operating temperature: - 29 ~ + 450 ℃.

Driving mode: Pneumatic

Connection method: flange

Manufacturing standards: GB, API, ANSI

Valve body material: A105, F306, F316, LF2


PRODUCT OVERVIEW

The pneumatic forged steel fixed ball valve divides the valve body into three parts along the section perpendicular to the valve channel axis at the two valve seats. The whole valve is symmetrical left and right along the central axis of the valve stem. The forged steel fixed ball valve is mainly used to cut off, distribute and change the medium flow direction on the pipeline. Its large pivot structure ensures the accurate center position of the ball under high pressure and ensures the good operation performance of the valve. It is applicable to chemical, petroleum, natural gas, metallurgy and other industries, as well as long-distance natural gas transmission pipelines containing hydrogen sulfide medium, many impurities and serious corrosion.


PRODUCT FEATURES

1. Pneumatic forged steel fixed ball valve is a three-part connected forged steel fixed ball valve. The whole valve is symmetrical left and right along the central axis of the valve stem. It is mainly used to cut off, distribute and change the medium flow direction on the pipeline.

2. The standard valve seat adopts spring structure to push the valve seat to the ball, ensuring good import and export two-way sealing performance.

3. The pivot adopts anti blow out protection structure to effectively prevent leakage.

4. The bearing with low friction coefficient reduces the torque to small, which is convenient for the opening and closing of the valve.


EXECUTIVE STANDARD

design basis
GBstandard
Design criteria
GB/12237
Structure length
Flange connection
GB/12221
Connecting flange size
GB/9113、JB/T79
Test and inspection
JB/T9002


MAIN CONNECTION DIMENSIONS

Nominal diameter dn
Overall dimension
Connecting flange size

Double acting

Actuator model

L
L1
H
D
D1
D2
C
f
N-φd
50
178
190
260
165
125
99
20
3
4-φ18
GTD80
65
190
210
293
185
145
118
20
3
4-φ18
GTD90
80
203
247
323
200
160
132
20
3
8-φ18
GTD100
100
229
276
382
220
180
156
22
3
8-φ18
GTD115
125
356
348
468
250
210
184
22
3
8-φ18
GTD145
150
394
378
510
285
240
211
24
3
8-φ22
GTD160
200
457
524
655
340
295
266
24
3
12-φ22
GTD210
250
533
645
847
405
355
319
26
3
12-φ22
GTD255
300
610
715
980
460
410
370
28
4
12-φ22
GTD300
350
686
795
1085
520
470
429
30
4
12-φ22
GTD350
400
762
1860
1215
580
525
480
32
4
12-φ22
AW35
500
991
1860
1385
715
650
609
36
4
12-φ22
AW40

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