Emerson 2100 Gebrauchsanweisung - Seite 11

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Emerson 2100 Gebrauchsanweisung
NOMINAL PIPE DIAMETER
16
20
24
20 API
24 API
Assumptions:
Use of SAE grade 5 bolts or studs or stronger.
No lubricant.
Elastomer <70 Durometer Shore A.
Notes:
Flat faced flanges should never be mated to a raised face flange for installation.
If lubricant is used on bolts, apply torque reduction factor listed in Lubricant Table.
For best results hardened steel washers should be used on all cast flange bolted connections.
DESCRIPTION
Machine Oil
API SA2 Grease
Nickel-based Lubricant
Copper-based Lubricant
Heavy-duty Lubricating Past
Table 3. Torque Specifications – Flat Face Flange, Steel or Aluminum
NUMBER OF BOLTS
16
20
24
16
20
Table 4. Torque Reduction Factor per Lubricant
COEFFICIENT OF FRICTION
BOLT DIAMETER
in.
mm
1.00
25.4
1.13
28.7
1.25
31.8
0.63
16.0
0.63
16.0
MULTIPLY TORQUE VALUE IN TABLE BY
f = 0.15
f = 0.12
f = 0.11
f = 0.10
f = 0.06
2100 Series
TORQUE
ft-lbs
N•m
125
170
135
183
156
212
75
102
75
102
0.75
0.60
0.55
0.50
0.30
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