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SDR 9.33
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SDR 11.00 SDR 10A0
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Bulletin LP-7: R122H
Morch]n10
Type R122H First -Stage Regulator
Introduction
The Type R122H is an Under.,drs Laboratories listed
regulator designed for Two -Stage LP -Gas systems.
The unit is designed to reduce the tank pressure to an
outlet pressure of 10 psig. The compact size makes It
ideal for small domestic applications and underground
tanks. The outlet pressure setting is nonadjustable
and is factory set at a nominal 10 psig. Screened dnp-
lip vents are oriented over the outlet as standard.
Features
• 20 Year Recommended Replacement Life -The
R122H is designed using rugged time proven
design concepts and constructed of conosion
resistant materials. both internally and externally.
With proper installation and periodic inspection and
maintenance the R122H regulator will meet a 20
Year Recommended Replacement Life.
Dual Gauge Taps - Built-in t(glitch NPT gauge
taps orificed to a number 54 drill size on both
the inlet and outlet side of the regulator allow for
easy testing.
Durability - A fluorocarbon valve disc is utilized
to improve lockup performance in systems with
contaminated gas.
Improved Regulation - A large fabric -reinforced
diaphragm and stabilizer clip deliver accurate and
stable regulation.
Easy Installation -The units compact size and
easily accessible inlet and outlet wrench flats make
installation easy even in the fightest installations.
Mount I. Type R122H FnsbStag. Regurpta
Superior Overpressure Protection -The
combination of a high capacity relief valve and large
vent provide overpressure protection that exceeds
lit. standards When used in rnnjuncdon with a
R622 or R652. the hvo-stage system will limit the
downstream pressure from the second -stage to 2
psig even in a double failure situation.
Corrosion -Resistant - Added corrosion resistance
from an internal and external coating process for all
castings prior to painting, stainless steel relief valve
spring and retainer and a corrosion resistant relief
valve seat.
Positive Draining Spring Case- When installed
properly mth the spring case vent pointed down,
the design allows moisture formed in the spring
use to drain out limiting the problems with
corrosion and freezing water in the spring use.
L® www.FISHERregulatoracomgp
EMERSON
Process Management
Bulletin LP-7: R122H
TOWS 1. Ordering lnformelton
TYPE NUMBER
CAPACITY BTWNR
PROPANEnl
CONNRCT*NS
INLET x OUTLET
NOMNAL OUTLET SETTING
R12�11dlaL)
1, tOD=
1144Kh x 112-mch NPT
10 pug (O.fi9 Omt
1 CapeWVSOaaeem30P8t6Q07oalxaMO�eaaoearglOKmooO
wMe w
kal
0.
Of
Figure 2. Type R 122H Dimensions INCHES
peel
LP -Gas Equipment
Emelsen Proeess Management
RoplatorTeohnate0les die.
USA - Heatlq mMs
Mdit". Texas 75059.1872 USA
Telephone: t (SM) 65e6M
TefeOwe: 1(972) 5484574
For hntfter entomlation visit www.dshen"itlatots.oaldtp
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EMERSON.
Egg: . prpeotsORaimaemaraftaayettaTtdWdam,Dr— 2M.m1aNfe"Reaerre4 Process Management
Bulletin 71.1:R622
Type R622 Pressure Reducing Regulator
• Compcirr noainn
Prote
Scree
uinh rci..cii-iIt
Relief
!eight
• Inlet and Outlet Pressure Gauge Taps
FIIlure 1. rypx R02> Pres::ure Hsluonp Hxquluim
Introduction
Type R622 dlrettaperated, spring -loaded regulators applications. These regulators can be used with
provide economical pressure reducing control in natural. manufactured. or propane gases and have the
a variety of residential, commercial. and industrial same inlet and outlet pressure capabilities.
FISHER EMERSON
Bulletin 71.1:R622
Specifications
Body Size and End Connection Stylell) Pressure Registration
112 NPT inlet and outlet Internal
Maximum Allowable Inlet Pressurell)
Operating: 125 psig (8,6 bar)
Emergency:125 psig (8.6 bar)
Except 1.8 to 2.24nches w.c. (4 to 5 mbar) spring
range which has operating and emergency
pressures of 60 psig (4,1 bar)
Maximum Allowable Outlet (Casing) Pressure(')
Operating to Avoid Internal Part Damage:
3 psid (0,21 bar d) above outlet pressure setting
Emergency: 20 psi (1.4 bar)
Outlet Pressure Ranges
See Table 1
Orifice Size
1184nch (3,2 mm) orifice
Flow Coefficients
Wide -Open C. for Relief Sizing: 12.5
Wide -Open C„ for Relief Sizing: 0.36
Cl: 35
IEC Sizing Coefficients
XT: 0.78
Fo: 0.82
FL: 0.89
Flow Capacities
See Table 2
Relief Performance
See Figure 4
Internal Relief Performance
Start -to -Discharge is 8 to 22-inches w.c.
(20 to 55 mbar) for setpoints from
1.8 to 20-inches w.c. (4 to 50 mbar)
Start -to -Discharge is 140 to 200% over setpoint
from 20-inches w.c. to 2.2 psig (50 to 152 mbar)
Spring Case Vent Connections
314 NPT with removable screen
Temperature Capabilitiestl)
-209 to 160OF (-29° to 71°C)
Approximate Weight
2.35 pounds (1 kg)
Construction Materials
Body. Spring Case, Diaphragm Plate. and
Orifice: Aluminum
Diaphragm, Disk, and 0-ring: Nitrile (NBR)
Adjusting Screw and Pushpost: Deldn®
Closing Cap: ASAThermoplasiic (UV Ray Resistant)
Control Spring: Zinc -plated steel
Machine Screw, Spring Seat,
and Lever: Zlncplated steel
Valve Stem: Zinc
Relief Valve Spring, Relief Spring Retainer.
Lever Pin, and Vent Screen: Stainless steel
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In addition. Type R622 regulators have internal relief
across the diaphragm to help minimize overpressure.
Any outlet pressure above the start -to -discharge point
of the non-adjustable relief valve spring moves the
diaphragm off of the relief valve seat, allowing excess
pressure to bleed out through the screened spring
case vent.
Table r. Outlet Pressure Ranges
Specifications
The Specifications seWon lists specifications forType R622
Pressure Reducing Regulators. As it originally comes
from the factory, specifications for a given regulator
are stamped on the spring case nameplate.
OUTLET PRESSURE RANGE
CONTROL SPRING PART
NUMBER
CONTROL SPRING
COLOR 0008
SPRING WIRE OMAIETER.
INCHES (men)
SPRING FREE LENGTH.
ONCNE8 (Rem)
18 to 2.24un s W.C. (4 to 5 mbar)
T 1445370012
Ptffw
0 051(t.30)
3.40 (66,4)
5 to 74tchn w.c. (12 to 17 urban
T 14398TOO 12
Orange
0.062 (1.56)
3.40 (66.4)
6.5 to gar Ma W.C. (16 tD 22 mbar)
T 14399T00/2
yam
0,067 (1.70)
3.61 (91.7)
9 to 134ROM w.e. (22 to 32 mbar)
T 14400TOO12
Sam
0072(t.83)
4.10 (104)
13 to 2041tohe6 W.C. (3210 50 mbar)
T 14401MO12
Gray
0 am ($03)
360(91.4)
16 to 35.hU2M W.C. (40 to 67 mbar)
T 14402TOO12
tank
0093(2.36)
3.52 (89.4)
1 to 2.2 P619 (69 to 152 mbar)
T14403T0012
LW Blue
0 105 (2.67)
3.66 (93.0)
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' PROPANE CONSTRUCTION NOTES
9. All pipe and fl#iings above ground and inside building shall be
SCH..40 Galvanized ASTM A120 or AGA approved.corrugated
stainless steel •(C.S.S.T.)pipe.
2. All. polypipe and fit�ings shall be AMD251.3 or ASTM D2517
and shall be buded-outside underground at a depth of 18" with
warning tape and tracer wire.
• 3. All pipe and meter locations are approximate and subject to
change..
.4. Ali polypipe shatf be joined by heat fusicm or approved mechanical.
couplings.
• 5. All'galvanlzed plpe shall be threaded.
6. All. pipe shall be pressure Bested to 20 # PSI fora period of 24
hours.
UNDERGROUND TANK INSTALLATION
• I 21 bo E'
DOWN AWAY --
FROM
DOME DOME
7 t•�
I ANODE CABLE 'P ' SACRIFICIAL ANODE ' •.
(MAGNESIUM BAG) •�•'' •••.
nx 4p
I!� Jill.
REGULATOR Y
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HARN 110 TAPE
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TRACE HIRE