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R122H
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AS
CoNNVOS
Designed for use
it perfect for tight
provide a Recom
unit virtually tam f
and outlet wrencf
superior relief pe'
protection when t
3/8 NPT for eas ,
problems.
FIRST STAGE
FISHER'
FISHER R122H
COMPACT REGULATOR
as a first -stage regulator for domestic applications, the R122H's size makes
linstallations. Stainless steel internal parts and corrosion resistant coatings
'nended Replacement Life of 20 years. Its non-adjustable set point makes the
6r proof. Inlet and outlet gauge taps allow easy system testing. Large inlet
t flats provide for easy installation, even in underground tanks. The design's
formance exceeds UL requirements and provides double failure overpressure
ised with a Fisher R600 second -stage regulator. The vent is threaded with
installation of vent piping. The large orifice assists in minimizing freeze
HIGH PRESSURE DOMESTIC -COMMERCIAL
RMI
Inlet
Outlet
Adjustment
Pressure
Vent
Capacity
Internal
Part No.
Connection
Connection
Rage, PSIG
Setting, PSIG
Location
BTU/hr
Relief/Valve
R122H-AAJ
14' FNPT
YZ FNPT
Non-
10
Above outlet
1.100.000
Yes
adjustable
vu screen
R1 -AAJXB
14' FNPT
'�2 FNPT.-
Non-
10
90° from
1.100.000
Yes
adjustable
I outlet
HIGH
FISHER
REGULATOR
Time proven design constructed of corrosion resistant and wear -resistant materials, the
R622H is designed to provide a Recommended Replacement Life of 20 years. Built-in
1/8" FNPT gauge taps on both the inlet and o Iutlet pressure sides allow for easy system
checks. A large 3/4' FNPT drip -lip vent reduc the chance of blockage by freezing rain
or sleet when properly installed with the vent1pointing down. Each R622H is equipped for
overpressure protection with a corrosion -resistant internal relief valve that provides high
capacity relief and a travel stop on the closing cap.
FIRST STAGE REGULATORS, HIGH PRESSURE
RMI
Part No.
Inlet
Connection
I
outlet
Cot naction
Adjustment
Range, PSIG
Pressure
Setting, PSIG
Vent
Location
Capacity
BTU/hr
Internal
Belief/Value
R622H-HGK
R622H-JGK
_FPOL_
FPOL
'/72f' FNPT_ _
34' FNPT
4-6
5
3/4' threaded
8 screened
over outlet
2.000.000 ':
2.250.000 '' Yes
2.000.000 ;
R622H-BGK
Y2- FNPT
'/�' FNPT
R622H-HGJ
FPOL
'12" FNPT
8-12
I
10
3/4 threaded
8 screened
over outlet
2.100.000
2.250.000
Yes
2.100.000
2.400.000
R622H-JGJ
FPOL
34' FNPT
R622H-BGJ
'h- FNPT
'J2' FNPT
R622H-DGJ
1 3/,1- FNPT
?Ia FNPT
R622H
ION
u
Tel: 800-628-5044 1RAY MURRAY, INC.Order online at wwraymurraycom Fax: 800-243-8341
w
or call for personal assistance
1
Bulletin LP-7: R622 /
Type R622 And Type R652
Second -Stage Re
g ,9
ulators
The Type R622 and R652 second -stage
regulators are Underwriters Laboratoriies listed
regulators designed for Two -Stage LPi Gas
systems. These units are designed tol reduce the
outlet pressure from a first -stage regulator (usually
10 psig) to 11 inches water column. The R622
incorporates the standard straight tho l gh flow
design while the R652 is designed for back mount
installations. Both have screened drip -lip vents
are oriented over the inlet as standard.
Features
• 20 Year Recommended Repl
The R622 and R652 are designed
time proven design concepts and c
corrosion resistant materials, both
externally. With proper installation
inspection and maintenance the RI
designs will meet a 20 Year Recon
Replacement Life.
• Improved Regulation - Fisher's
reinforced diaphragm and spring ass
stabilizer deliver accurate and stable
• Overpressure Protection - The
of a high capacity relief valve and lar'
provide overpressure Iprotection whic
standards by limiting the downstrean
2 psig even in a double failure situatif
with a R622H.
Table 1. Orderinq Information
ment Life -
ig rugged
tructed of
mally and
I periodic
and R652
fabric -
vent
Figure 1. Type R622 Second -Stage Regulator
Figure 2. Type R652 Second -Stage Regulator
:ombination • Inlet Screen - Fisher's stainless steel
e vent inlet screen reduces the amount of debris
i exceeds UL that can enter the regulator
pressure to
n when used • Gauge Taps — Built-in 1/8 inch NPT
gauge taps orificed to a number 54 drill size
on upstream and downstream for easy gas
system checks.
Type Number
Capacity BTU/HR
Propane'
I Connections
Inlet X Outlet
Outlet Adjustment'
Setting
Outlet Pressure
Range
R622-BCF
875,000
1 % inch x % inch FNPT
11- WC,
9 —13" WC
622-CFF
1,400,000
1 '/ inch x % inch FNPT
622-DFF
%inch x % inch FNPT
I
R652-DFF
1,000,000
R622-CFGXA
1,125,000
1 '/ inch x % inch FNPT
18' WC
13
1. Capacity is based on 10 PSIG inlet pressure and 2'
*C droop.
41-
EMERSON.
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