Emerson Fisher EHD Instruction Manual page 18

EH (1-1/2x1 through 8x6)
July 2017
Table 9. Recommended Torque for Installing Seat Ring Retainer
VALVE VALVE
SIZE, BODY
NPS RATING
CL1500
1, 1-1/2x1, 2x1
CL2500
CL1500
2, 3x2
CL2500
CL1500
3, 4x3
CL2500
CL1500
4, 6x4
CL2500
CL1500
6, 8x6
CL2500
1. Includes valves with Cavitrol III trim.
Table 10. Valve Stem Connection Torque and Drill Size for Pin Hole
VALVE SIZE,
NPS
mm
12.7
1, 1-1/2x1, 2x1
19.1
12.7
2, 3x2 19.1
25.4
12.7
19.1
3, 4x3
25.4
19.1
4, 6x4
25.4
19.1
25.4
31.8
6, 8x6
50.8
Table 11. Seat Ring and Seat Ring Retainer Lubricants
VALVE BODY
MATERIAL
WCC, WC9, C5, or LCC steel
CF8M (316 stainless steel)
1. For gasketed seat ring constructions, install the seat ring gasket (key 12) into the valve body. For O‐ring seat ring
constructions, install the O‐ring (key 12) into the groove on the underside of the seat ring (key 6). Install the seat
ring (key 6). Screw in the seat ring retainer (key 7). Use the seat ring retainer tool (figure 9) to tighten the seat ring
retainer as follows:
a. Insert the tool into the valve body. Be certain the tool lugs are engaged in the corresponding recesses in the
retainer.
18
For All Valves with
Gasketed Seat Ring
Construction Except
Those with
Cavitrol III Cage
NSm LbfSFt
509 375
373 275
1187 875
848 625
2203 1625
1593 1175
3118 2300
2373 1750
6780 5000
5017 3700
VALVE STEM
VALVE BODY
DIAMETER
RATING
Inches
1/2 CL1500, CL2500
3/4 CL1500
1/2 CL1500, CL2500
3/4 CL1500, CL2500
1 CL1500, CL2500
1/2 CL1500, CL2500
3/4 CL1500, CL2500
CL1500, CL2500
CL1500
1
CL2500
3/4 CL1500, CL2500
1 CL1500, CL2500
3/4 CL1500, CL2500
1 CL1500, CL2500
1‐1/4 CL1500, CL2500
2 CL1500, CL2500
SEAT RING
MATERIAL
S41600 (416 stainless steel)
R30006 (Alloy 6)
R30006
TORQUE
For All Valves with For Valve with 2‐Stage
O‐Ring Seat Ring Cavitrol III Cage and
(1)
Construction or for Gasketed Seat Ring
Sour Gas Service
NSm LbfSFt NSm
68 50 339
68 50 203
136 100 881
102 75 542
271 200 1491
203 150 949
373 275 2712
271 200 2373
780 575 6101
576 425 4745
VALVE
(MINIMUM ‐ MAXIMUM)
NSm
EHS 81 ‐ 115
EHS 237 - 339
EHD, EHS, EHT 81 ‐ 115
EHS 237 ‐ 339
EHD, EHT 237 ‐ 339
EHS 420 ‐ 481
EHD, EHS, EHT 81 ‐ 115
EHD, EHS, EHT 237 ‐ 339
EHS 420 ‐ 481
EHD, EHT 420 - 481
EHD, EHT 420 ‐ 481
EHD, EHS, EHT 237 ‐ 339
EHD, EHS, EHT 420 ‐ 481
EHD, EHS, EHT 237 ‐ 339
EHD, EHS, EHT 420 ‐ 481
EHD, EHS, EHT 827 ‐ 908
EHD, EHT
Lithium grease, dry film lubricant, or anti‐seize lubricant
Dry film lubricant or anti‐seize lubricant
Instruction Manual
For Valve with 3‐Stage
Cavitrol III Cage and
Gasketed Seat Ring
Construction Construction
LbfSFt NSm
250 ‐ ‐ ‐
150 ‐ ‐ ‐
650 678
400 407
1100 1356
700 678
2000 2373
1750 1695
4500 5423
3500 4745
VALVE STEM
CONNECTION TORQUE
LbfSFt
60 ‐ 85
175 - 250
60 ‐ 85
175 ‐ 250
175 ‐ 250
310 ‐ 355
60 ‐ 85
175 ‐ 250
310 ‐ 355
310 - 355
310 ‐ 355
175 ‐ 250
310 ‐ 355
175 ‐ 250
310 ‐ 355
610 ‐ 670
Contact factory for
torque values and
installation procedure
LUBRICANT
Anti‐seize lubricant
D100394X012
LbfSFt
‐ ‐ ‐
‐ ‐ ‐
500
300
1000
500
1750
1250
4000
3500
DRILL SIZE
FOR PIN
Inches
1/8
3/16
1/8
3/16
1/8
1/4
1/8
3/16
1/4
1/4
3/16
3/16
1/4
3/16
1/4
1/4
3/8