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5
Baumann
™
51000 Series Instructions
Instruction
51.LF:IM
April 2007
bonnet - confi rm correct orientation - then secure
with hex nuts (7). DO NOT TIGHTEN AT THIS
POINT.
6. Install stem guide (8) and packing kit (9) on the
plug stem (4) in the proper order as shown in fi gure
3, page 6.
7. Carefully press into top of bonnet (6) making sure
each part is seated properly.
Table 2. 51000 PLUG SELECTION
KEY
NO.
VALVE
SIZE
PLUG Cv
PART NUMBER
ASTM A479 S21800 ANNEALED
PART NUMBER
N10276 NICKEL ALLOY
MARKING
CODE
4
0.5 inch
ONLY
2.5 51425-411-999 51425-1-411-999 T01
1.5 51415-411-999 51415-1-411-999 T02
1.0 51410-411-999 51410-1-411-999 T03
0.25
&
0.50
inch
0.45 51402-4 51402-4-1 T04
0.2 51402-3 51402-3-1 T05
0.1 51401-12 51402-2-1 T06
0.06 51401-11 51041-11-1 T07
0.03 51401-10 51401-10-1 T08
0.015 51401-9 51401-9-1 T09
0.008 51401-8 51401-8-1 T10
0.004 51401-7 51401-7-1 T11
0.002 51401-6 51401-6-1 T12
0.001 51401-5 51401-5-1 T13
0.0005 51401-4 51401-4-1 T14
0.00025 51401-3 51401-3-1 T15
0.00013 51401-2 51401-2-1 T16
Linear 0.5 51402-5 51402-5-1 T17
MATERIAL CODES: (Stamped on Plugs)
B = Nitronic 60;
C = N10276 Nickel Alloy;
A = Stainless Steel (S31600)
8. Install packing rings over the stem one at a time.
Use the packing follower nut (11) to push each
packing ring in individually to avoid jamming.
9. With all required packing (9) in place, tight en
the packing follower nut (11) until it becomes
stiff. DO NOT OVER TIGHT EN THE PACKING
FOLLOWER (11).
10. Now tighten hex nuts (7).