HomeMy WebLinkAboutREG SPECS - 7-20-20Bulletin LP-T R122H
March 2010
Type R122H First -Stage Regulator
Introduction
The Type R122H is an Underwriters 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 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
resistant materials. both intemally 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 116 inch 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 Oats make
installation easy even in the tightest installations.
FISHER
Figurer. Type R122H Forst -Stage Regulator
Superior Overpressure Protection - The
combination of a high capacity relief valve and large
vent provide overpressure protection that exceeds
UL standards When used in conjunrtion with a
R622 or R652. the two -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 with the spring case vent pointed down,
the design allows moisture formed in the spring
case to drain out limiting the problems with
corrosion and freezing water in the spring case.
°Y
EMERSON.
Process Management
Bulletin LP-7: R122H
TWO 1. 4rdenng Information
TYPE NUMBER
CAPACITY STUIHR
CONNECTIONS
NOMINAL OUTLET SETTING
PROPANEI11
INLET x OUTLET
R122H-AAJ
1.100.000
1t44nch x 1124nM NPT
10 pstg (0.69 bar)
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Figure 2. Type R 122H Dimensions WCHEs
(MMI
LP -Gas Equipment
Emerson Process Management
RegufatorTechnologles. Inc.
USA - Plus
PrtdCarM. Texas 75089-1872 USA
Telephwte:1(800) 558-5853
Te"hone: l (972) 648.3574
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EMERSON..
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Bulletin 71.1-R622
Type R622 Pressure Reducing Regulator
• Protet
Scree
{4inh r:nnar;jtN/
• Inlet and Outlet Pressure Gauge Taps
Figure I. 76,% ..,.,, .. . _.,..
Relief
Jeight
Introduction
Type R622 direct -operated. spring -loaded regulators applications These regulators can be used r:ith
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
ti
EMERSON.
Bulletin 71.1: R622
Specifications
Body Size and End Connection StyleM
112 NPT inlet and outlet
Maximum Allowable Inlet Pressure(1)
Operating: 125 psig (8,6 bar)
Emergency: 125 psig (8,6 bar)
Except 1.8 to 2.2-inches 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 A bar)
Outlet Pressure Ranges
See Table 1
Orifice Size
1/8-inch (3,2 mm) Orifice
Flow Coefficients
Wide -Open C. for Relief Sizing: 12.5
Wide -Open Cv for Relief Sizing: 0.36
Cl: 35
IEC Sizing Coefficients
xT 0.78
FD: 0.82
FL: 0.89
Flow Capacities
See Table 2
Pressure Registration
Internal
Relief Performance
i
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
3/4 NPT with removable screen
Temperature Capabilities(')
-200 to 160'F (-29° to 71 °C)
Approximate Weight
2.35 pounds (1 kg)
Construction Materials
Body, Spring Case, Diaphragm Plate, and
Orifice: Aluminum
Diaphragm, Disk, and O-ring: Nitrile (NBR)
Adjusting Screw and Pushpost: Delrin®
Closing Cap: ASA Thermoplastic (UV -Ray Resistant)
Control Spring: Zinc -plated steel
Machine Screw, Spring Seat,
and Lever. Zinc -plated 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 1. Outlet Pressure Ranges
Specifications
The Specifwtions section 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 CODE
SPRING WIRE DIAMETER.
INCHES (mm)
SPRING FREE LENGTH.
INCHES (mm)
18 W 2.2-Oches w.c. (4 to 5 mbar)
T 14453TOO 12
Purple
0051(l.30)
3.40 (864)
5 to 74ncrm w.c. (12 to 17 mbar)
T 14398MO 12
t?r8w
0.062 (1.58)
3.40 (86.4)
6.5 to 94 tOM W.C. (16 to 22 mbar)
T14399T0012
yew*
0.067 (1.70)
3.61(91.7)
9 to 134HIM W.C. (22 to 32 Mbu)
T 144COT0012
Staler
0.072 (1.83)
4.10 (104)
13 to 204nd1es W.C. (32 to 50 mbar)
T 14401 TOO 12
Gray
0.080 (2.03)
3.60 (91.4)
16 to 35•Utches w.c. (40 to 87 Mbar)
T 14402TOO 12
pmk
0093(2.36)
3.52 (89.4)
1 to 2.2 psig (69 to 152 mbar)
T14403TOO12
LV9 Blue
0105(2.67)
3.66 (93.0)