The most prominent feature is that the diaphragm separates the inner cavity of the lower valve body from the inner cavity of the upper valve cover, preventing the valve stem, valve disc, and other parts located above the diaphragm from medium corrosion, eliminating the packing sealing structure, and avoiding medium leakage. 1. Diaphragms made of soft sealing materials such as rubber or plastic have good sealing performance. As the diaphragm is a vulnerable component, it should be replaced regularly based on the characteristics of the medium. 2. Due to the limitations of diaphragm materials, diaphragm valves are suitable for low pressure and relatively low temperature applications. 3. Diaphragm valves can be divided into six types according to their structural forms: roof type, direct flow type, globe type, straight through type, gate type, and right angle type; The connection form is usually flange connection; According to the driving method, it can be divided into three types: manual, electric, and pneumatic, among which pneumatic driving is further divided into three types: normally open, normally closed, and reciprocating. 4. It is generally not suitable for pipelines with temperatures above 60 degrees Celsius and transporting organic solvents and strong oxidizing media, nor for pipelines with higher pressures
Item NO.:
XUVAL33-214Lead Time:
50 DaysProduct Orgin:
CHINABrand:
XUVALShipping Port:
ShanghaiPayment:
100%TTMOQ:
2
Nominal size
Working
Nominal
L
D
Dt
n- φd
f
H
Modie
Output torgue
On and
Weight
DN
pressure MPa
Pressure MPa
mm
mm
mm
mm
mm
mm
N-m
off time S
kg/kilos
15
1
1
125
95
65
4-14
2
20
135
105
75
4-14
2
25
145
115
85
4-14
2
445
Z5-18/16
50
17
40
32
160
140
100
4-18
2
457
Z5-18/16
50
20
42
40
180
150
110
4-18
3
466
Z5-18/16
50
14
45
50
210
165
125
4-18
3
480
Z10-18/16
50
20
50
65
0.6
250
185
145
4-18
3
517
Z10-18/16
150
28
60
80
300
200
160
4-18
3
539
Z10-36/25
100
16
70
100
350
220
180
8-18
3
576
Z10-36/25
100
17
80
125
400
250
210
8-18
3
634
Z15-18/25
150
32
104
150
460
285
240
8-22
3
660
Z15-18/25
150
53
125
200
0.4
570
340
295
8-22
4
860
Z20-18/25
200
53
180
250
680
395
350
12-22
4
Z20-18/25
200
53
280
300
790
445
400
12-22
4
1003
ZD30-36a
300
45
434
350
900
505
460
16-22
4
ZD30-36a
300
45
400
0.25
1000
565
515
16-25
4
Note:The electric actuator can be eguipped according to the requirement.
Component list:
/
1.Body
5.Lower stem
2.Body lining
6.Bonnet
3.Diaphragm
7.Electric actuator
4.Disc
/
Design and manufacture:GB12239
Face to face dimension:GB12221、JB1688
Connection dimension of flange:GB4216、JB78
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