|
|
 |
 |
 |
| |
 |
| |
| |
 |
Seal Replacement
Because of the action of the spring the wear on the seal
is...... |
|
| |
Main
Features |
1) |
Self-support
by means of TWO GRAPHITE BEARINGS amply spaced
out |
2) |
Seal
Ring is made of impregnated graphite and works in
COMPRESSION (the compression strength of
graphite is approx 5 TIMES greater than the
corresponding tension strengh). |
3) |
VISUAL indication of the amount of wear
and the seal ring.
|
4) |
Simple
and immediate maintenance. |
| |
|
| |
 Also
available
Single-Flow Joints - Seri NB Dual-Flow Joints - Serie NR
|
|
Size
|
Max Operating Pressure BAR (PSI) |
Wear
|
|
Cold Water
|
Stream
|
Hot oil
|
X=mm (inch)
|
|
NB
075
|
35
(500)
|
18
(260)
|
7
(100)
|
4
(0.157)
|
|
NB
100
|
35
(500)
|
18
(260)
|
7
(100)
|
5
(0.197)
|
|
NB
125
|
35
(500)
|
18
(260)
|
7
(100)
|
5
(0.197)
|
|
NB
150
|
35
(500)
|
18
(260)
|
7
(100)
|
5
(0.197)
|
|
NB
200
|
28
(400)
|
16
(230)
|
5
(72)
|
7
(0.276)
|
|
NB
250
|
28
(400)
|
16
(230)
|
5
(72)
|
7
(0.276)
|
|
NB
300
|
28
(400)
|
16
(230)
|
5
(72)
|
8
(0.315)
|
|
NB
400
|
20
(290)
|
14
(200)
|
4
(58)
|
8
(0.315)
|
|
NB
500
|
20
(290)
|
14
(200)
|
4
(58)
|
10
(0.394)
|
|
NB
600
|
18
(260)
|
12
(170)
|
3
(43)
|
13
(0.512)
|
|
NB
800
|
18
(260)
|
12
(170)
|
3
(43)
|
16
(0.630)
|
|
|
|
|
|
 |
 |
 |
|
