7
O-Ported Series
Operation and Maintenance Manual
Packing Details
Series 770
Valve Size (in )
Packing Size (mm)
Length (mm)
Packing Layers
Quad Seal Layer
Total Layers
2
Sq 8
235
2
1
3
3
Sq 8
275
2
1
3
4
Sq 8
400
2
1
3
5
Sq 8
425
2
1
3
6
Sq 8
475
2
1
3
8
Sq 8
545
2
1
3
10
Sq 8
650
2
1
3
12
Sq 8
775
3
1
4
14
Sq 10
925
3
1
4
16
Sq 10
1000
3
1
4
18
Sq 10
1100
3
1
4
20
Sq 16
1250
2
1
3
24
Sq 16
1440
2
1
3
Series 780
Valve Size (in )
Packing Size (mm)
Length (mm)
Total Layers
2
Sq 8
270
6
3
Sq 10
330
6
4
Sq 10
395
6
5
Sq 10
425
6
6
Sq 10
480
6
8
Sq 10
580
6
10
Sq 10
675
6
12
Sq 12 7
800
6
14
Sq 12 7
975
6
16
Sq 16
1150
6
18
Sq 16
1300
8
20
Sq 16
1375
8
24
Sq 16
1575
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