Apollo Conbraco 36ELF User Manual
36ELF Series
Model PRE-LF - Pressure Reducing Valve
SUBMITTAL SHEET
DESCRIPTION
The new large diameter Apollo® lead f ree* Pressure R educing Valve Mo del PRE (36EL F Series) is designed to conserve water and protect water distribution
systems by automatically reducing elevated supply pressures. The dezincification resistant bronze body, stainless steel adjusting screw and dielectric
polymer cage provide maximum corrosion resistance. Designed for easy in-line servicing with simple cartridge removal.
LEAD FREE
Job Name:
Job Location:
Engineer:
Contractor:
Tag :
PO#:
Rep:
Wholesale Dist.:
FEATU R ES
• Balanced Piston Design
• SS Adjusting Screw & Nut
• Sealed Cage for Vault Installations
PERFORMANCE RATING
• Maximum Supply Pressure: 400 psig
• Working Temperature Range:
33°F – 180°F
• Built-in Thermal Expansion Bypass
• Large Area Integral Stainless Steel Strainer
• Modular Seat Disc and Strainer Cartridge
• Control Pressure Ranges:
15-75 psi and 75-150 psi
• High Flow / High Eciency Design
• NPT & Solder Connections
• Factory Tested and Preset at 60 psi
• Single Union, Double Union and Less Union
Configurations Available
• 100% Manufactured in USA – ARRA Compliant
APPROVALS
• NSF/ANSI 372 Lead Free
• NSF/ANSI 61 Water Quality
• ASSE 1003
• IAPMO/UPC
• CSA B356
OPTIONS
• (-B) - Bronze Cap NEW!
• (-P) - Tapped w/ Plug
• (-G) - Tapped w/ Gauge
• (-03) - High Pressure 75-150 psi
• (36E) - w/ Standard Materials for
Non-Potable Applications
DIMENSIONS
CONNECT
TYPE
THREAD 1- 1/4" 5.5 6.62 7.74 10 1.12 3.375 7. 22 8.34
SOLDER 1 -1/4" 5.5 6.62 7.74 10 1.12 3.375 7.22 8.34
THREAD 1-1/2" 5.5 6.80 8.1 10 1.30 3.375 7.6 1 8.92
SOLDER 1-1/2" 5.5 6.80 8.1 10 1.30 3.375 7.61 8.92
THREAD 2" 5.5 6.93 8.36 10 1.43 3.375 9.2 11.6
SOLDER 2" 5.5 6.93 8.36 10 1.43 3.375 9.2 11.6
SIZE
(IN.)
A B C D E F
DIMENSIONS (IN.)
SINGLE
UNION
WT.
DOUBLE
UNION
WT.
STANDARD MATERIALS LIST
BODY
UNION NUT
TAILPIECE
SCREEN
CAP
DIAP HR AGM
SEAT DISC
ADJUSTING SCREW/NUT
SPRING
O-RINGS
Lead Free* Bronze, UN S 89836
BRASS, ASTM B16
Lead Free* Brass, UNS C27451
Stainless Steel
Noryl
NSF Gra de EPDM
NSF Gra de EPDM
Stainless Steel
Stainle ss Steel, ASTM A 228
NSF Gra de EPDM
*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
SS1399 © 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.
SUBMITTAL SHEET
PRESSURE DROP (FALLOFF) PSI
1"
36ELF Series
Model PRE-LF - Pressure Reducing Valve
LEAD FREE
FLOW CURVE
2”
FALL -OFF
(PSI)
10 35 47 59
15 58 77 96
20 85 113 141
30 99 132 165
10 66 88 110
15 81 108 135
20 96 128 160
30 104 138 172
10 81 108 135
15 109 145 181
20 116 155 194
30 128 170 212
PIPE SIZE
1- 1/4”
1-1/2”
PRESSURE DIFFERENTIAL (PSI)
25 50 75
GPM
0 20 40 60 80 100 120 140 160 180
0
5
10
15
20
25
30
35
1/2"
Pressure Dierential is the dierence between the inlet supply pressure and the adjusted
MODEL PRE FLOW CHART
3/4"
FLOW (GPM)
(50 PSID)
11/4"
11/2"
2"
outlet pressure.
Pressure Fallo is the reduction in downstream pressure from the static (set) pressure as
the flow increases through the valve.
PART NUMBER MATRIX
36ELF
1 X X X X X X
36E
SERIES STYLE UNION SIZE OPTION
36ELF (LEAD FREE) 1 0 - NO UNION (NPT) 6 - 1-1/4” 0 - NO GAUGE 1 - 15-75 PSIG T - FNPT THREAD BLANK - STANDARD POLYMER CAP
36E 1 - SINGLE UNION 7 - 1-1/2” P - TAPPED & PLUGGED 3 - 75-150 PSIG S - SOLDER B - BRONZE CAP
2 - DOUBLE UNION 8 - 2” G - W/ GAUGE Y - W/ WYE STRAINER
PRESSURE
RANGE
CONNECTION OPTION
(704) 841-6000
apollovalves.com
SS1399 © 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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