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Piping Diagram for a Typical Multiple Starter Installation Pre-engaged.
Starter Control Valve
SMB-618 (Brass/Air)
SMBG-618 (Chrome/Gas)
1 1/2” Pipe
1 1/2” Pipe
Pipe Size
See Chart
ST900-267 Strainer
ST900-267 Strainer
Relay Valve - 1 - 1/2”
SRV150
Relay Valve - 1 - 1/2”
SRV150
Relay Valve - 1 - 1/2”
SRV150
JIC 37° Adapter 1/4” NPT
SS350-MC4
JIC 37° Adapter 1/4” NPT
SS350-MC4
JIC 37° Adapter 1 1/2” NPT
JIC 37° Adapter 1 1/2” NPT
JIC 37° Adapter 1 1/2” NPT
JIC 37° Adapter 1/4” NPT
SS350-MC4
Strainer ST900-267
#4 Hose (1/4”)
#4 Hose (1/4”)
#4 Hose (1/4”)
#4 Hose (1/4”)
#4 Hose (1/4”)
#4 Hose (1/4”)
1 1/2” Hose
1 1/2” Hose
1 1/2” Hose
1/4” NPT pressure measuring Port.
Operating pressure not to exceed
max. pressure rating stamped on
Starter Namplate.
1/4” NPT pressure measuring Port.
Operating pressure not to exceed
max. pressure rating stamped on
Starter Namplate.
1/4” NPT pressure measuring Port.
Operating pressure not to exceed
max. pressure rating stamped on
Starter Namplate.
Exhaust
Exhaust
Exhaust
Drive Housing
Vent Plug
1/8” NPT
**
Drive Housing
Vent Plug
1/8” NPT
**
Drive Housing
Vent Plug
1/8” NPT
**
JIC 37° Adapter 1/4” NPT
SS350-MC4
JIC 37° Adapter 1/4” NPT
SS350-MC4
JIC 37° Adapter 1/4” NPT
SS350-MC4
Inlet Flange Kit
ST700-K166
Typical
No. Starters
ST950
90 psig
ST950
150 psig
Min. Pipe Size Min. Pipe Size
2
3
4
4
4
5
2 - 1/2”
3 - 1/2”
3 - 1/2”
3 - 1/2”
3
3”
Supply must be adequate to maintain
desired operating pressure at the Starters
with Starters running. (Not to exceed max.
pressure shown on Starter Nameplate.)
ST900 Series multiple Starter Piping
schematic showing the Control Circuit.
Note:
Use Sealant on all the
pipe connections.
SMB-441
Ingersoll Rand Part Number
For Natural Gas operation, Starter Main Exhaust must be piped away.
To pipe the Drive Housing Vent, Remove the Drive Housing Vent
Plug and replace it with a suitable Tubing Line. The tubing must vent
at a safe location and must not be interconnected with any other Exhaust
Lines which might introduce a back pressure on the Drive Housing Vent.
(Dwg. TPA1449-2)
How to Order a Starter
JIC 37° Adapter 1/4” NPT
JIC 37° Adapter
1 1/2” NPT
“IN” Port JIC 37° Adapter
1/4” NPT
“Out” Port JIC 37° Adapter
1/4” NPT
#4 Hose
#4 Hose
#4 Hose
#4 Hose
1 - 1/2” Relay Valve
SRV150
1 - 1/2” Relay
Valve SRV150
1 - 1/2” Pipe
1 - 1/2” Hose
To Prelube Pump
Starter Control Valve SMB-618
Air Pressure
Gage
Lubricator
NL-24-8
Oil Pressure Sensing Valve
Relief Valve set at 15 psi
above Regulator setting
For Gas operation, the Relief Valve Outlet
must be connected into a safe place.
High Pressure Supply
Pressure Regulator (maximum setting not to exceed
pressure rating shown on Starter Nameplate)
High Pressure System with engine prelube use
when supply pressure is over rating of Starter.
For Natural Gas operation, Starter Main Exhaust must be piped away.
To pipe the Drive Housing Vent, Remove the Drive Housing Vent Plug
and replace it with a suitable Tubing Line. The tubing must vent at a safe
location and must not be interconnected with any other Exhaust Lines
which might introduce a back pressure on the Drive Housing Vent.
**
(Dwg. TPA844-2)
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