HomeMy WebLinkAboutREGULATORB42 Ser mieRegulator
Residential Regulator
The B42 is a spring loaded self -operated regulator with internal relief option. The
B42 features a molded diaphragm, 6:1 lever ratio and one inch vent. The benefit is a
lighter more compact unit that provides the power, capacity and relief performance of
larger regulators.
APPLICATIONS
Consistent pressure reduction of gas for
typical domestic and light commercial
applications.
OPTION DESIGNATIONS
» N No Internal Relief
» H Internal Relief
» HP Available — See spring chart
B42N
» The B42N is a spring -loaded, self -
operated regulator with no internal
relief (N) valve. This model can be used
on low or intermediate inlet pressures
where an internal relief or other type of
over -pressure protection device is not
required.
B42R
» The B42R is the internal relief (R) version
of the B42 Series. The large 1" internal
relief valve provides exceptional relief
capacity.
COMPACT SIZE
» While the model B42 is more compact
than traditional regulators, it was also
designed to meet customer expectations
for safety and long field life. The B42 is
designed to consolidate product usage
for both residential and light commercial
applications
DESIGNED TO INCREASE YOUR
CUSTOMER'S SATISFACTION AND
REDUCE YOUR TOTAL COSTS
» The model B42 is uniquely'constructed
to give utilities the edge they need in an
increasingly complex and competitive
market place. The model B42 excels with
benefits of size, safety, performance,
and cost. The B42 also offers three
connection versions providing the
greatest flexibility for your regulations
needs. In addition, due to inventory
and manufacturing enhancements,
this product can be delivered with
unparalleled speed and scheduling
dependability.
FEATURES
» Interchangeable aluminum orifice
» 12.6 sq. in. of diaphragm area
» Molded deep convolution diaphragm
with o-ring seal
» Plated steel diaphragm plate
» Stainless steel lever pin
» Plated steel 6:1 lever
» One piece molded Buna-N valve seat
» Die cast zinc valve stem
» DeldnO vent valve with Buna-N seat
» Spring -loaded internal relief valve
assembly
» 1" and 3/4" threaded vent with stainless
steel screen
» Fiberglass reinforced polyethylene seal
cap with integral relief valve stop
» Field interchangeable adjustment spring
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Model B42 Series regulators exceed all AGAIANSI, B109.4 and
GSA 6.18 specications
SHIPPING WEIGHT
12 Regulators per box Box weight: 48 lbs.
B42 DIMENSIONS (INCHES) / OPERATIONAL SCHEMATIC
<— 3.15"
I
<=4.09" —>
• Straight body connection
-; 2.12" OUTLET
Compact body connection
Jr11 B42 Series Residential Regulator
900 Angle body connection
C'=—= oultetP emm
Operational Schematic
2
SPRING DATA - SPRING COLOR OUTLET PRESSURE RANGE*
Colors
Outlet Pressure Range**
Standard Spring Data
Green
5 - 7" w.c.
Brown
6 - 8" w.c.
Blue
8 - 14" w.c.
Silver
12 - 28" w.c.
Yellow/Black
1 - 2 PSIG
Alternate Spring Data
Orange
5.5 - 9" w.c.
Dark Green
4 - 9" w.c.
High Pressure Spring Data
Yellow
2 - 4 PSIG
White
4 - 5 PSIG
Relief Spring Data
Purple
7" w.c. Above set point
Orange
5" w.c. Above set point
Red
6" w.c. Above set point
' Black
9" w.c. Above set point
*Note Ranges are approximations, please contact manufacturer to obtain the best spring for your application.
**WARNING Pilot springs are not interchangeable
between B42 and B42HP.
ORIFICE DATA, WIDE OPEN FLOW COEFFICIENTS AND MAXIMUM PRESSURES
Orifice Size
(inches)
K-Factor
MAOP
Emergency Inlet
Pressure (PSIG)
Emergency Outlet Pressure (PSIG)
No Damage Containment
1/8
30
125 PSIG
300
60
30
1/8 x 3/16
30
125 PSIG
300
60
30
3/16
71
125 PSIG
200
60
30
1/4
127
60 PSIG
150
60
30
5/16
193
35 PSIG
100
60
30
3/8
290
20 PSIG
75
60
.30
1/2
416
10 PSIG
40
60
30
1/2 x 9/16
416
10 PSIG
40
60
30
OPERATING TEMPERATURE RANGE
• -20°F to 150°F
• Silicone valve seats available for applications below -20°F
I#rarn I B42 Series Residential Regulator
3
ADDITIONAL SPECIFICATIONS
• Available Pilot Vent Sizes: 1" NPT
Other Available Options: Seal wire to indicate. unapproved tampering
1/8" pipe plug tap on upstream side of valve body
COMPLIANCE
B42R (internal relief model) compliance with ANSI Z21.80, Line Pressure Regulators
Model B42R used with a 1" vent connection is compliant with ANSI Z21.80 in the configurations noted and shown in the following tables:
With inlet pressures up to 2 PSIG, the B42R is compliant in any configuration.
With inlet pressures up to 5 PSIG.
Orifice Size
Set Point
Maximum Vent Line Length (ft.)*.
Number of Elbows**
Up to 1 PSIG
50
4 or less
1/8" x 3/16"
Up to 1 PSIG
50
4 or less
3/16"
Up to 1 PSIG
40
4 or less
1/4"
Up to 7" w.c.
40
4 or less
5/16"
Up to 7" w.c.
15
4 or less
* Clean 1" black steel pipe.
** For each elbow greater than 4 elbows, subtract 2.6 ft. from the maximum vent line length.
With inlet pressures up to 10 PSIG
Orifice Size
Set Point
Maximum Vent Line Length (ft.)*
Number of Elbows**
1/8"
Up to 14" w.c.
50
4 or less
1/8" x 3/16"
Up to 14" w.c.
50
4 or less
3/16"
Up to 14" w,c.
50
4 or less,
1/4"
Up to 7" w.c.
10
4 or less
* Clean 1" black steel pipe.
** For each elbow greater than 4 elbows, subtract 2.6 ft. from the maximum vent line length.
• l+trdn I B42 Series Residential Regulator 4