HSRL Series
2
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
(1)
Emergency:
150 psig / 10.3 bar
Maximum Operating Pressure:
See Table 1
allowable Outlet Pressure
(1)
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
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
1. The pressure/temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded.
ORiFiCE SizE
WiDE-OPEn C
g
FOR
RELiEF SizinG
MaXiMUM OPERaTinG inLET PRESSURE TO OBTain
GOOD REGULaTinG PERFORManCE
inch
mm
psig
bar
3/8
9.5
105
30
2.1
1/2
13
185
20
1.4
Table 1. Maximum Operating Inlet Pressure
Table 2. Relief Performance
ORiFiCE SizE
MaXiMUM aLLOWaBLE inLET PRESSURE iF OUTLET PRESSURE iS
HELD aT OR BELOW 2 psig / 140 mbar WiTH DiSC REMOvED
inch
mm
psig
bar
3/8
9.5
15
1.0
1/2
13
9
0.6
Table 3. Capacity, Connection Sizes, and Vent Orientation
EnD
COnnECTiOn
TyPE nUMBER
CaPaCiTy BTU/HR
PROPanE
(1)
inLET PRESSURE
SETTinG
OUTLET PRESSURE
SETTinG
3/4-inCH nPT SCREEnED vEnT
STanDaRD LOCaTiOn
3/4-inch FNPT
HSRL-BFC
2,100,000
10 psig / 0.69 bar
11 inches w.c./ 27 mbar
Over Inlet
1-inch FNPT
HSRL-CFC
1-1/4-inch FNPT
HSRL-EHC
4,110,000
14.5 psig / 1.0 bar
12 inches w.c. / 30 mbar
1. Capacities based on 2 inches w.c. / 5 mbar droop.
