Couplings joint

Couplings joint

coupling joint Introduction: This equipment is our patented product, can be widely used in quick connection of pipes.It can compensate the displacement and axes degree of pipes.Installation and usage: Connect both two sides with pipes without welding. The product is equipped with stop block.Nu......

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Product Description

coupling joint Introduction:  
This equipment is our patented product, can be widely used in quick connection of pipes.
It can compensate the displacement and axes degree of pipes.
Installation and usage:      
Connect both two sides with pipes without welding. The product is equipped with stop block.
Nuts lock the maximum expansion strength.
Thus the pipe can extend freely in the maximum space. The equipment is suitable for vibrating or sloping pipes.

Insidenominal
size
External size
(Dw)
Overall dimension
n-Th.
short
long
D

0.25-1.6
MPa

2.5-6.4
MPa
L1
L
L1
L
65
76
120
 
148
180
208
155
4-M12
4-M12
80
89
165
100
108
190
4-M16
114
195
125
140
225
150
159
160
220
245
4-M16
6-M16
168
255
200
219
310
225
245
335
250
273
163
223
375
6-M20
8-M20
300
325
160
213
220
273
440
 
10-M20
 
 
 
 
350
355
470
8-M20
377
490
400
406
520
426
540
450
457
570
10-M20
12-M20
480
590
500
508
625
530
645
600
610
730
630
750
700
720
850
12-M20
14-M20
800
820
230
295
290
 
335
965
12-M24
16-M24
900
920
1065
14-M24
18-M24
1000
1020
1165
1200
1220
1365
16-M24
20-M24
1400
1420
310
370
 
 
 
 
1590
18-M27
24-M27
1500
1520
1690
1600
1620
1795
20-M27
28-M27
1800
1820
2000
22-M27
30-M30
2000
2020
2200
24-M27
32-M30
2200
2220
320
380
2420
26-M30
 
 
2400
2420
2635
28-M30

Mechanical Joint

we standard describes bolted, sleeve-type couplings, reducing or transition couplings, and flanged coupling adapters used to join plain-end steel and ductile-iron pipe. They may be manufactured from carbon steel, stainless steel, ductile iron,or malleable iron, and are intended for use in systems conveying water.This standard describes nominal pipe sizes from V2 in. (3 mm)' through 114 in. (3,600mm) 
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