HomeMy WebLinkAboutREGULATOR SPECS - 2-25-21 Bulletin LP-7: R122H
March 1010
Type R122H First-Stage Regulator
Introduction
The Type R122H is an Underwriters Laboratories listed
regulator designed for Tv:o-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 drip-
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 corrosion Figure 1. Type R122H FirsFSfage Regulator
resistant materials,both internally and externally.
With proper installation and periodic inspection and Superior Overpressure Protection—The
maintenance the R122H regulator will meet a 20 combination of a high capacity relief valve and large
Year Recommended Replacement Life. vent provide overpressure protection that exceeds
• Dual Gauge Taps—Built-in 118 inch NPT gauge UL standards. When used in conjunction with a
taps orificed to a number 54 drill size on both R622 or R652,the two-stage system will limit the
the inlet and outlet side of the regulator allow for downstream pressure from the second-stage to 2
easy testing. psig even in a double failure situation.
• Durability—A fluorocarbon valve disc is utilized Corrosion-Resistant—Added corrosion resistance
to improve lockup performance in systems with from an internal and external coating process for all
contaminated gas. castings prior to painting,stainless steel relief valve
spring and retainer and a corrosion resistant relief
• Improved Regulation—A large fabric-reinforced valve seat.
diaphragm and stabilizer clip deliver accurate and
stable regulation. Positive Draining Spring Case—When installed
properly with the spring case vent pointed down,
• Easy Installation—The units compact size and the design allows moisture formed in the spring
easily accessible inlet and outlet wrench flats make case to drain out limiting the problems with
installation easy even in the tightest installations, corrosion and freezing water in the spring case.
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FISHER EMERSOM
Process Management
Bulletin LP-7: R122H
Table 1.Ordering Mformatton
TYPE NUMBER CAPACITY STUlHR CONNECTIONS NOMINAL OUTLET SETTING
PROPANWI INLET x OUTLET
R122FI AAJ I 1.1W.000 1/4.tneh x 124nch NPT 10 psrg(0.69 Isar)
1 Capsctty►a based on 30 PSIG(2,07 bail aw pressure and 20%dm op
3&18 NPT
SCREENED VEW
,/8271iP?
1NLETlDUTtET
GAUGE TAPS
NIX 54 RESIRKIW
RRESSURE TAP
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1r2.14 NPT
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Figure 2.Type R122H Dimensions DICHES
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USA-Headquarters
MdGmtey.Texas 75069.1872 USA
Telephone:1(800)568-SB63
Telephone:1(972)548-3674
For lurlhet mformation vmd www.fishenegulatots.mmilp
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Bulletin 71 . 1 :R622
Type R622 Pressure Reducing Regulator
• Compact Design High Capacity
• Protective Inlet Internal Relief
Screen
-- • Light Weight
VI1' l
III.
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• Inlet and Outlet Pressure Gauge Taps
Figure r. irr,. ._. r ...:.iu. .. ,.,n gin,; •pul.i;..
Introduction
Type R622 direct-operated.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.
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FISHER EMERSON.
Bulletin 71 .1 :R622
S ecifications
Body Size and End Connection Style0) Pressure Registration
1/2 NPT inlet and outlet Internal
Maximum Allowable Inlet Pressure(II) Relief Performance
Operating: 125 psig(8,6 bar) See Figure 4
Emergency: 125 psig(8,6 bar)
Except 1.8 to 2.2-inches w.c.(4 to 5 mbar)spring Internal Relief Performance
range which has operating and emergency Start-to-Discharge is 8 to 22-inches w.c.
pressures of 60 psig(4,1 bar) (20 to 55 mbar)for setpoints from
1.8 to 20-inches w.c.(4 to 50 mbar)
Maximum Allowable Outlet(Casing)PressureM Start-to-Discharge is 140 to 200%over setpoint
Operating to Avoid Internal Part Damage: from 20-inches w.c.to 2.2 psig(50 to 152 mbar)
3 psid(0.21 bar d)above outlet pressure setting Spring Case Vent Connections
Emergency:20 psi(1.4 bar) 3/4 NPT with removable screen
Outlet Pressure Ranges
See Table 1 Temperature Capabilities(')
-200 to 160OF(-29°to 71°C)
Orifice Size
1/8-inch(3,2 mm)orifice Approximate Weight
2.35 pounds(1 kg)
Flow Coefficients Construction Materials
Wide-Open Cs for Relief Sizing: 12.5
Wide-Open Cv for Relief Sizing:0.36 Body.Spring Case,Diaphragm Plate.and
Cl:35 Orifice:Aluminum
Diaphragm,Disk,and O-ring:Nitrite(NBR)
IEC Sizing Coefficients Adjusting Screw and Pushpost:DeldrP
XT 0.78 Closing Cap:ASA Thermoplastic(UV-Ray Resistant)
FD:0.82 Control Spring:Zinc-plated steel
FL:0.89 Machine Screw,Spring Seat,
Flow Capacities and Lever:Zinc-plated steel
See Table 2 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 Specifications
across the diaphragm to help minimize overpressure.
Any outlet pressure above the start-to-discharge point The Specifications section C6is specifccations for Type R822
of the non-adjustable relief valve spring moves the Pressure Reducing Regulators. As it originally comes
diaphragm off of the relief valve seat.allowing excess from the factory.specifications for a given regulator
pressure to bleed out through the screened spring are stamped on the spring case nameplate.
case vent.
Table 1. Outlet Pressure Ranges
OUTLET PRESSURE RANGE CONTROL SPRING PART CONTROL SPRING SPRING WIRE DIAMETER SPRING FREE LENGTm.
NUMBER COLOR CODE tNCHES(11 m) tNCKES(mm)
I A to 2.24►dm w.c.(4 to 5 mbar) T 14453T0012 Purple 0.051(1.30) 3.40(86A)
5 to?4nchn w.c.(12 to 17 mbar) T 14398MO12 Orange 0.062(t,58) 3.40(86.4)
6.5 to 94=4S WC(16 to 22 Mbar) T 14399T0012 stow 0.067(1.70) 3.61(91.7)
9 to 134Khes w.c.(22 to 32 mbar) T 14400T0012 sliver 0.072(1,83) 4.10(104)
13 to 204nches w.c.(32 to 50 mbar) T 14401 T0012 Gray 0.080(2,03) 3.60(91.4)
16 to 35-mchn w.c.(40 to 87 mbar) T 1440270012 PMX 0.093(2,36) 3.52(89.4)
1 to 2.2 psig(69 to 152 mbar) T 14403T0012 Lkpt Bare 0 105(2.6T) 3.66(93.0)
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