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The pneumatic V-type control ball valve is one of the new types of rotary control valves developed by our company in recent years on the basis of absorbing and digesting domestic and foreign products. It is used in regulation or on-off control occasions. The scissor action between the ball core and the sealing seat ensures that the valve works without blockage. The straight-through flow channel has a large flow capacity and is suitable for gases, liquids, steam, fibrous slurries and media with tiny particle suspensions.
Structural Principle
The pneumatic V-type control ball valve is composed of a pneumatic piston actuator and a V-type ball valve. It can realize proportional regulation when equipped with a pneumatic valve positioner, and manual operation can be achieved if a handwheel mechanism is provided.
When the working air pressure enters the upper side (or lower side) of the cylinder of the piston actuator, it pushes the piston to move up and down, drives the connecting rod mechanism to rotate the rocker arm, and realizes the 90-degree rotation adjustment movement of the V-type ball core. The position changes from open or closed to closed or open, so as to control the medium in the pipeline.
Main technical indicators
Nominal diameter
DN(mm)
25
40
50
80
100
150
200
250
300
rated flow coefficient Kv
25
63
100
280
400
950
1540
2500
3900
nominal pressure
PN(MPa)
1.66.4
operating temperature
-40～150℃
rotation angle α
90°
air supply operating pressure KPa
400～600
model of matched actuator
ZSS-1
ZSS-2
ZSS-3
Notes on Installation and Use
There is no flange on the valve body, and the connection is clamped by two flanges on the pipeline. The distance between the two flanges shall comply with the IEC534-3 standard, and the flanges shall be selected in accordance with the JB/T79·2-94 Cast Steel Flanges standard.
The V-type ball valve should be installed vertically in the pipeline. For the convenience of inspection, adjustment and maintenance, it should be installed as close to the ground or a floor slab as possible.
A bypass pipeline should generally be provided when installing the V-type ball valve.
Before installation, the pipeline should be cleaned. When cleaning the pipeline after installation, the valve should be in the fully open position.
After long-term use of the V-type ball valve, if the sealing surface is slightly damaged, the sealing valve seat can be installed upside down and continue to be used.
Overall dimensions
Nominal diameter
DN(mm)
25
32
40
50
65
80
100
125
150
200
250
300
H1
77
95
95
100
115
125
125
155
165
195
235
275
H
double-acting
319
325
347
362
372
420
430
460
573
593
710
765
single-acting
359
365
390
405
415
488
498
508
630
650
757
870
L
102
114
114
124
145
165
194
213
229
243
297
380
L1
double-acting
132
132
203
203
203
222
222
300
337
380
420
450
single-acting
222
222
300
300
300
380
380
380
450
450
603
683
L2
double-acting
83
83
100
100
100
120
120
137
172
172
224
224
single-acting
120
120
137
137
137
172
172
172
224
224
272
360
weight(Kg)
double-acting
7.2
8.5
11
12.8
15.3
17.8
20.5
25.6
46.4
69.6
121
181.8
single-acting
11.2
12.8
17.7
19.8
21.7
33
35.1
49.7
68.8
86.3
175
257
Note: Overall dimensions of PN16
Ordering Information
Product model
Nominal diameter
Nominal pressure
Action type
Operating temperature
Material of valve body and valve core
Accessories
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2003
Total Annual:
141790014-161450000
Employee Number:
1000~1200
Ecer Certification：
Verified Supplier
High-End Die-Shanghai WEYO Automation Technology Co., Ltd. was established in 2021 and is headquartered in Shanghai. It is an innovative technology enterprise that specializes in high-end industrial automation equipment, core components supply, technical services, and solution provision. With the co... High-End Die-Shanghai WEYO Automation Technology Co., Ltd. was established in 2021 and is headquartered in Shanghai. It is an innovative technology enterprise that specializes in high-end industrial automation equipment, core components supply, technical services, and solution provision. With the co...
