Baker Masoneilan 21000 Series, Инструкция по эксплуатации, Страница: 16 / 24

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Plug Stem
Dia. “B”
Pin Hole
Dia. “C”
“D” “X”
Plug Guide
Dia. “A”
= =
Soft metal
or plastic
vise jaws
Cylindrical machining
diameter of the jaws =
plug guide diameter “A”
C Dia.
D
X
X
A B
Reference Mark
in.
.87
1.50
2.38
2.75
mm
22.22
38.10
60.32
69.85
mm
12.70
12.70
19.05
19.05
in.
1/2
1/2
3/4
3/4
mm
3.50
3.50
5.00
5.00
in.
.138
.138
.197
.197
mm
32
32
47.5
47.5
in.
1.25
1.88
1.25
1.88
mm
13
13
19
19
in.
.50
.50
.75
.75
Figure 9 – Plug Stem Pinning
Valve
Size
Total
6
7
200 8 8
Quantity of Packing Rings (6)
Packing box with Kevlar/PTFE
packing rings
Lantern
Ring
(7)
Packing box with
Flexible Graphite packing rings
and Back-up rings
Braided
Back-up Rings
Flexible
Graphite Rings
Lantern
Ring
(7)
Total
6
7
8
in.
3/4 to 4
6 to 8
mm
20 to 100
150 to 200
Figure 10 – Packing Ring Arrangements with Optional Lubricator Connection