Parts Ordering; Parts List - Emerson Fisher OS2 Instruction Manual

Type OS2
5. Inspect the rubber joint gasket (key 38C) for
deterioration or damage and replace if necessary.
6. Loosen the adjustment locknut on the adjusting screw.
Then unscrew and remove the adjusting screw.
7. Remove the BMS spring (key 33) from the spring case.
For BMS Type 162 and 71 (Diaphragm, key 17)
(See Figure 12):
8. Loosen the cap screws and nuts on the casing and
remove the pressure sensing casing to reach the
diaphragm assembly (key 17B).
9. If diaphragm replacement is desired, loosen the hex nut
that holds the diaphragm assembly to the valve stem.
For BMS Type 236 and 315 (Bellows, key 17)
(See Figure 12):
8. Loosen the socket screws at the pressure
sensing casing.
9. Remove the spring case from the pressure sensing
casing and then remove the bellows (key 17).
For BMS Type 27 and 17 (Piston, key 17)
(See Figure 12):
8. Loosen the socket screws on the pressure sensing
casing and remove the pressure sensing casing.
9. Loosen the socket screws on the spring case and
remove the spring case away from the pressure
sensing casing.
10. Slide the piston (key 17) out of the pressure
sensing casing.
Assembly
Proceed in the reverse order of Disassembly.

Parts Ordering*

When corresponding with your local Sales Office about
this equipment, always reference the equipment serial
number. When ordering replacement parts, also be sure
to include the complete 11-character part number from
the following parts list. The NPS 2 / DN 50 Type 627-OSX
utilizes only NPS 1 / DN 25 OS2 slamshut components.
*For further instructions on Types 627, EZR, EZH and EZL, refer to the corresponding instruction manual of these products.
14

Parts List

Key Description
Parts kit (includes keys 5J, 7, 10 and 11)
NPS 1 / DN 25
NPS 2 / DN 50
NPS 3 / DN 80
NPS 4 / DN 100
NPS 6 / DN 150
NPS 8 / DN 200
NPS 10 / DN 250
Parts kit (includes keys 5A, 5J, 7, 10, 11
and a spanner wrench)
NPS 1 / DN 25
NPS 2 / DN 50
NPS 3 / DN 80
NPS 4 / DN 100
NPS 6 / DN 150
Replacement Bracket Kit for BMS
Type BMS1
Type BMS2
1 Valve Body Assembly
(For NPS 1 through 6 / DN 25 through 150 only)
Type OSE (E-Body)
WCC Steel body
NPS 1 / DN 25
NPT
CL150 RF
CL300 RF
CL600 RF
NPS 2 / DN 50
NPT
CL150 RF
CL300 RF
CL600 RF
NPS 3 / DN 80
CL150 RF
CL300 RF
CL600 RF
(For NPS 1 through 6 / DN 25 through 150 only)
(Body, Seat ring and Seat O-ring)
Type OSE (E-Body)
WCC Steel body
NPS 4 / DN 100
CL150 RF
CL300 RF
CL600 RF
NPS 6 / DN 150
CL150 RF
CL300 RF
CL600 RF
Cast iron body
NPS 1 / DN 25
NPT
CL125 FF
NPS 2 / DN 50
NPT
CL125 FF
NPS 3 / DN 80
CL125 FF
NPS 4 / DN 100
CL125 FF
NPS 6 / DN 150
CL125 FF
Part Number
FA197123X12
FA197130X12
FA197132X12
FA197134X12
FA197136X12
FA197535X12
FA197536X12
FA197124X12
FA197131X12
FA197133X12
FA197135X12
FA197137X12
FA181111T12
FA181112T12
T80543T0072
T80543T0012
T80543T0022
T80543T0032
T80544T0072
T80544T0012
T80544T0022
T80544T0032
T80545T0012
T80545T0022
T80545T0032
T80546T0012
T80546T0022
T80546T0032
T80547T0012
T80547T0022
T80547T0032
T80543T0042
T80543T0052
T80544T0042
T80544T0052
T80545T0052
T80546T0052
T80547T0052