Apollo Conbraco 36HLF User Manual
36HLF Series
Model PRH-LF High Capacity Pressure Reducing Valve
SUBMITTAL SHEET
DESCRIPTION
The Apollo® PRH-LF Lead Free* Pressure Reducing Valve (36HLF Series) is designed for commercial, industrial, and institutional applications to reduce
incoming water pressure for protection of plumbing system components and to reduce water consumption. The valve is made with proven ASTM grade
Lead Free* bronze and stainless steel materials. The PRH-LF provides high capacity flow with low pressure drop. It is designed with an integral by-pass relief
to protect against thermal expansion downstream. The bottom access enables easy in-line cleaning or seat replacement.
LEAD FREE
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Engineer:
Contractor:
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Rep:
Wholesale Dist.:
FEATU R ES
• Dezincification Resistant Lead Free* Bronze
• Sealed Spring Cage for Vault Installations
PERFORMANCE RATING
• Maximum Inlet Supply Pressure: up to 400 psig
• Temperature Range: 33 °F – 180 °F
• Ultra-High Flow Capacity
• Internal Thermal Expansion Bypass
• Standard Factory Setting: 50 psi
• Three Spring Ranges Cover 10 – 125 psi
• Stainless Steel Bolts and Spring
• 150# ANSI B16.24 Flange Connection Option
• In-line Strainer Option
• 100% MADE IN THE USA
APPROVALS
• NSF/ANSI 372 Lead Free
• ASSE 1003
• CSA B356
OPTIONS
• (02) - 10-35 psi
• (03) - 75-125 psi
• (36H) - w/ Standard Materials for
Non-Potable Applications
DIMENSIONS
MODEL
NUMBER
PRH-LF 36HLF-203 1/2 4.12 2.25 9.25 1.87 8.37 4.00 7.0 0 6.0
PRH-LF 36HLF-204 3/4 4.12 2.25 9.25 2.44 9.00 4.00 8.00 6.0
PRH-LF 36HLF-205 1 4.82 2.31 9.81 4.00 10.25 4.70 12.00 8.0
PRH-LF 36HLF-206 1 -1/4 6.19 3.19 13.20 3.37 12.50 6.50 29.00 24.0
PRH-LF 36HLF-207 1- 1/2 6.75 3.19 13.20 3.87 13.13 6.50 29.00 23.0
PRH-LF 36H LF-208 2 8.12 3.50 16.00 4.63 16.00 7.63 47. 00 38.0
PRH-LF 36H LF-209 2 -1/2 8.12 3.50 16.00 6.00 17.7 0 7.63 49.00 37.0
PRH-LF 36HL F-200 3 10.37 4.00 19.12 7.0 0 20.50 9.75 87. 00 70.0
PRH-LF 36HL F-709 2- 1/2 10.37 3.50 16.00 7.1 2 21.70 7.63 105.00 55.0
PRH-LF 36H LF-700 3 12.50 4.00 19.12 8.12 24.50 9.75 132.00 104.0
* Nominal dimensions are shown. Allowances must be made for manufacturers’ tolerances.
PART
NUMBER
SIZE
(IN.)
A B C D E F
DIMENSIONS (IN.)
FLANGED
WT. (LB. )
STRAINER
WT. (LB. )
W/
STRAINER
W/O
STANDARD MATERIALS LIST
BODY
BONNET/CAP
DIAP HR AGM
SEAT DISC
YOKE
SPRINGS
O-RINGS
D
Bronze, C 89836 Lead Free*
Bronze, ASTM B5 84
FDA approved Buna-N w/ Nylon
FDA approved EPDM
Bronze, C 89836 Lead Free*
Stainless Steel
FDA approved Nitrile
USA
USA9USA
F
TOP VIEW
B
C
(704) 841-6000
apollovalves.com
SS1188 © 07/18 Page 1 of 2
This specification is provided for reference only. Apollo reserves the right to change any portion of this specification without
notice and without incurring obligation to make such changes to Apollo products previously or subsequently sold.
Most current information available at apollovalves.com.
E
A
SUBMITTAL SHEET
PART NUMBER MATRIX
36HLF Series
Model PRH-LF High Capacity Pressure Reducing Valve
LEAD FREE
36HLF
X X - 0X
36H - X
END CONNECTIONS OPTIONS SIZE PRESSURE RANGE
2 - FNPT X FNPT (STANDARD) 0 - STANDARD 3 - 1/2” 01 - 25-75 PSIG (STANDARD)
7 - FLANGED (2-1/2” - 3” ONLY) 1 - WITH Y-STRAINER 4 - 3/4” 02 - 10-35 PSIG
5 - 1” 03 - 75-125 PSIG
6 - 1-1/4”
7 - 1-1/2”
8 - 2”
9 - 2-1/2”
0 - 3”
MODEL NUMBER MATRIX
PRH - X X X X LF
END CONNECTIONS ACCESSORIES PRESSURE ADJ. RANGE SIZE
T - THREADED Y - WITH Y-STRAINER STANDARD - 25-75 PSIG (SET AT 50) 12 - 1/2” LF - LEAD FREE
F - ANSI 150# FLANGES H - 75-125 PSIG (SET AT 100) 34 - 3/4” BLANK - STANDARD MATERIAL
(2-1/2” - 3” ONLY) L - 10-35 PSIG (SET AT 25) 1 - 1”
114 - 1-1/4”
112 - 1-1/2”
2 - 2”
212 - 2-1/2”
3 - 3”
FLOW CAPACITY (GPM)
PIPE SIZE
1/2”
3/4 ”
1”
1- 1/4”
FALL -OFF*
(PSI)
20 34.0 40.0 46.0 20 231.2 272.0 312.8
10 29.8 35.0 40.3 10 132.6 156.0 179.4
20 51.0 60.0 69.0 20 271.2 319.0 366.9
10 51.9 61.0 70.2 10 176.0 207. 0 238.1
20 106.3 125.0 143.8 20 365.5 430.0 494.5
PRESSURE DIFFERENTIAL (PSI)
25 50 75 25 50 75
5 8.5 10 11.5
10 13.6 16 18.4 10 61.5 72.3 83.1
15 17.9 21 24. 2 15 90.1 106.0 121.9
20 21.3 25 28.8 20 113.1 133.0 153.0
5 10.6 12.5 14.4
10 20.4 24.0 27.6 10 126.7 149.0 171.4
15 28.1 33.0 38.0 15 174. 3 205.0 235.8
5 17. 0 20.0 23.0
15 40.8 48.0 55.2 15 200.6 236.0 271.4
5 21.3 25.0 28.8
15 80.8 95.0 109.3 15 282.5 332.4 382.3
PIPE SIZE
FALL -OFF *
(PSI)
1-1/2”
2”
2-1/2”
3”
PRESSURE DIFFERENTIAL (PSI)
5 29.8 35.0 40.3
5 55.3 65.0 74.8
5 58.7 69.0 79.4
5 80.8 95.0 109.3
PRH SERIES PRV FLOW RATE VS. PRESSURE FALL-OFF
Note: Flow curves are based on static conditions of 100psi inlet pressure and 50 psi outlet
pressure.
Pressure dierential is the dierence between the supply pressure and adjusted outlet
pressure measured in the static (closed) condition.
Pressure fall-o is the decrease in downstream regulated pressure as the flow increases.
*LEAD FREE: The wetted surfaces of this product shall contain no more than 0.25% lead by weighted average. Complies with Federal Public Law 111-380 . ANSI 3rd party approved and listed.
(704) 841-6000
apollovalves.com
SS1188 © 07/18 Page 2 of 2
This specification is provided for reference only. Apollo reserves the right to change any portion of this specification without
notice and without incurring obligation to make such changes to Apollo products previously or subsequently sold.
Most current information available at apollovalves.com.
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