Specifications - Emerson Fisher HSRL Series Instruction Manual

HSRL Series

Specifications

Tables 1 to 3 list the specifications for these regulators. Contact the factory if the regulator is to be used on any
service other than LP-Gas, natural gas, or air. The following information is located on the spring case:
Type number, orifice size, spring range, and date of manufacture.
Body Size and End Connection Styles
3/4, 1, and 1-1/4 NPT
allowable inlet Pressure
Emergency: 150 psig / 10.3 bar
Maximum Operating Pressure: See Table 1
allowable Outlet Pressure
Emergency (Casing): 25 psig / 1.7 bar
Maximum Operating Pressure to avoid internal
Parts Damage: 3 psi / 0.21 bar differential above
outlet pressure setting
1. The pressure/temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded.
ORiFiCE SizE
inch
3/8
1/2
ORiFiCE SizE
inch
3/8
1/2
EnD
TyPE nUMBER
COnnECTiOn
3/4-inch FNPT HSRL-BFC
1-inch FNPT HSRL-CFC
1-1/4-inch FNPT HSRL-EHC
1. Capacities based on 2 inches w.c. / 5 mbar droop.
2
(1)
(1)
Table 1. Maximum Operating Inlet Pressure
WiDE-OPEn C
mm
9.5
13
Table 2. Relief Performance
mm
9.5
13
Table 3. Capacity, Connection Sizes, and Vent Orientation
CaPaCiTy BTU/HR
PROPanE
(1)
2,100,000
4,110,000
Outlet Pressure Range
9 to 13 inches w.c. / 22 to 32 mbar
Temperature Capabilities
-20 to 160°F / -29 to 71°C
Pressure Registration
Internal
approximate Weight
5.5 pounds / 2.5 kg
MaXiMUM OPERaTinG inLET PRESSURE TO OBTain
FOR
g
RELiEF SizinG
105
185
MaXiMUM aLLOWaBLE inLET PRESSURE iF OUTLET PRESSURE iS
HELD aT OR BELOW 2 psig / 140 mbar WiTH DiSC REMOvED
psig
15
9
inLET PRESSURE OUTLET PRESSURE
SETTinG SETTinG
10 psig / 0.69 bar 11 inches w.c./ 27 mbar
14.5 psig / 1.0 bar 12 inches w.c. / 30 mbar
GOOD REGULaTinG PERFORManCE
psig
30
20
bar
1.0
0.6
3/4-inCH nPT SCREEnED vEnT
STanDaRD LOCaTiOn
Over Inlet
bar
2.1
1.4