Table 2. Outlet Pressure Ranges
CAUTION
Be sure to install Type 92B pilot above
the pipeline with the adjusting screw
pointing up and the control line sloped
at a downward pitch to the main line to
ensure proper condensate drainage.
Overpressure Protection
The recommended pressure limitations are stamped
on the regulator nameplate. Some type of overpressure
protection is needed if the actual inlet pressure exceeds the
maximum operating outlet pressure rating. Overpressure
protection should also be provided if the regulator inlet
pressure is greater than the safe working pressure of the
downstream equipment.
Regular operation below the maximum pressure
limitations does not preclude the possibility of damage
from external sources or debris in the line. The
regulator should be inspected for damage after any
overpressure condition.
Startup
The regulator is factory set at approximately
the midpoint of the spring range or the pressure
requested, so an initial adjustment may be required
to give the desired results. With proper installation
completed and relief valves properly adjusted, slowly
open the upstream and downstream shutoff valves.
!
WARNING
Failure to remove accumulated
condensate may result in severe
condensation induced water hammer
which may result in personal injury
or death.
Adjustment
To change the set pressure, remove the closing
cap or loosen the locknut and turn the adjusting
screw clockwise to increase outlet pressure or
counterclockwise to decrease pressure. Monitor
the outlet pressure with a test gauge during the
adjustment. Replace the closing cap or tighten the
locknut to maintain the desired setting.
Taking Out of Service (Shutdown)
!
WARNING
To avoid personal injury resulting from
sudden release of pressure, isolate
the regulator from all pressure before
attempting disassembly.
Table 1. Body Sizes and End Connection Styles
BODY SIZE END CONNECTION STYLE
DN NPS Cast Iron Steel or Stainless Steel
25 1 NPT
NPT, SWE
(1)
, CL150 RF, CL300 RF and PN 16/25/40 RF
40, 50 1-1/2, 2 NPT, CL125 FF and CL250 RF
80, 100 3, 4 CL125 FF and CL250 RF CL150 RF, CL300 RF, PN 16 RF and PN 25/40 RF
1. Available in steel bodies only.
PILOT TYPE
OUTLET PRESSURE
bar psig
Low Pressure
0.14 to 0.41
0.34 to 1.0
0.90 to 1.7
2 to 6
5 to 15
13 to 25
High Pressure
1.0 to 2.1
1.7 to 5.2
4.8 to 10.3
15 to 30
25 to 75
70 to 150
High Temperature
1.0 to 6.9
5.5 to 17.2
15 to 100
80 to 250
Type 92B
2
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