Product Detail
Product Tags
Related products
Product Structure
Main size and weight
DN
L
G
A
H
E
10
65
3/8″
165
120
64
15
85
1/2″
172
137
64
20
95
3/4″
178
145
64
25
105
1″
210
165
64
32
120
1 1/4″
220
180
80
40
130
1 1/2″
228
190
80
50
150
2″
268
245
100
65
185
2 1/2″
282
300
100
80
220
3″
368
340
126
100
235
4″
420
395
156...
Main Parts Material
NO.
Name
Material
1
Body
DI/304/316/WCB
2
Stem
Stainless Steel
3
Material
Stainless Steel
4
Butterfly plate
304/316/316L/DI
5
Coated rubber
NR/NBR/EPDN
MAIN SIZE AND WEIGHT
DN
50
65
80
100
125
150
200
250
300
350
400
450
L
108
112
114
127
140
140
152
165
178
190
216
222
H
117
137
140
150
182
190
210
251
290
298
336
380
Hl
310
333
...
Product Description
The function of the check valve is to prevent the media from flowing backwards in the line.Check valve belongs to automatic valve class, opening and closing parts by the force of the flow medium to open or close.Check valve is only used for medium one-way flow on the pipeline, prevent medium backflow, to prevent accidents.
Product Description:
The main features
1, the middle flange structure (BB) : the valve body valve cover is bolted, this structure is easy to valve maint...
Product Structure
MAIN OUTER SIZE
SIZE
D1
D2
L
25×19
25.4
19.1
38
38×25
38.1
25.4
50
50×38
50.8
38.1
67
50×25
50.8
25.4
67
63×50
63.5
50.8
67
63×38
63.5
38.1
67
76×63
76.3
63.5
67
76×50
76.3
50.8
67
89×76
89.1
76.3
67
89×63
89.1
63.5
67
Product Structure
Main Size And Weight
GBPN16
DN
L
d
D
D1
D2
C
f
n-Φb
50
120
50
160
125
100
16
3
4-Φ18
65
130
63
180
145
120
18
3
4-Φ18
80
150
80
195
160
135
20
3
8-Φ18
100
165
100
215
180
155
20
3
8-Φ18
125
190
124
245
210
165
22
3
8-Φ18
150
210
148
285
240
212
22
2
8-Φ22
200
255
198
340
295
268
24
2
12-Φ22
250
310
240
405
...
Product Structure
main parts and materials
Material Name
Q6 11/61F-(16-64)C
Q6 11/61F-(16-64)P
Q6 11/61F-(16-64)R
Body
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M
Bonnet
WCB
ZG1Cd8Ni9Ti
CF8
ZG1Cd8Ni12Mo2Ti
CF8M
Ball
1Cr18Ni9Ti
304
1Cr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Stem
1Cr18Ni9Ti
304
1Cr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Sealring
Polytetrafluorethylene(PTFE)
Gland Packing
Polytetrafluorethylene(PTFE)
Main Outer Size
DN
L
d
...