Brochure
ELKHART PRODUCTS CORPORATION Customer Service (574) 264-3181
www.elkhartproducts.com
For additional information, submittal sheets and manuals, visit www.elkhartproducts.com
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DESCRIPTION:
The Lead Free* APOLLOXPRESS® Model PRE-PRLF (36ELF
Series) Pressure Reducing Valves with Press connections are
easily installed to protect residential and commercial potable
water distribution systems by automatically reducing excessive
supply pressures. The dezincication 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.
FEATURES:
• ANSI 3rd party Certied Lead-Free*
• Fast, Reliable, Economical Press Installation
• Ridgid® XL Press Tool Compatible
• Leak Before Press® Technology
• Balanced Piston Design
• Sealed Cage for vault installations
• Built-in Thermal Expansion By-Pass
• Large Area Integral Stainless Steel Strainer
• Modular Seat Disc and Strainer Cartridge
• Control Pressure Ranges: 15-75 psi and 75-150 psi
• Factory Tested and Preset at 50 or 100 psi
• High ow / high eciency design
• Made in USA, ARRA Compliant
APPROVALS
• NSF/ANSI 61-8
• NSF/ANSI 372 Certied Lead Free (0.25% Lead Max.)
• ASSE 1003-2009; “Water Pressure Reducing Valves”
•
CSA B356 Water pressure reducing valves for domestic water supply systems
PERFORMANCE RATING:
• Maximum Press Fitting Pressure: 250 psi (17.2 bar)
• Maximum Temperature: 180ºF (82°C)
36ELF SERIES
Lead Free Pressure Reducing Valve
* LEAD FREE: The wetted surfaces of this product shall contain no
more than 0.25% lead by weighted average. Complies with US
Federal Public Law 111-380 and Safe Drinking Water Act. ANSI 3rd
party approved and listed.
MATERIAL SPECIFICATIONS:
Part Name Material
Body UNS 89836 Lead Free Bronze
Connector Housing C27451 Lead Free Brass
Connector O-Ring NSF grade EPDM
Screen Stainless Steel
Spring Housing Glass Filled Celcon®
Diaphragm NSF grade EPDM
Seat disc FDA grade EPDM
Adjusting Screw & Nut
Stainless Steel
Cage Seal Nitrile
Stem C27451 Lead Free Brass
Spring Music Wire ASTM A228
Cartridge O-rings NSF grade EPDM
DIMENSIONS IN
Model
Number
Order
Number
Size Length
Height
from CL
Wt (lbs)
PRE12PRLF
36ELF10301PR
1/2” 5.46” 4.75” 1.5
PRE34PRLF
36ELF10401PR
3/4” 5.79” 4.75” 1.7
PRE1PRLF
36ELF10501PR
1” 5.91” 4.75” 2.3
SIZE
12 - 1/2”
34 - 3/4”
1 - 1”
PRESSURE RANGE
BLANK - 15 - 75 PSIG (-01 sux)
H - 75 -150 PSIG (-03 sux)
MODEL NUMBERING SYSTEM
PRE PRLF
Size Pressure Range
Example: PRE-12H-PRLF is model number for a ½” High Pressure set at 100 psi
FLOW CAPACITY
Pipe Size
Fall-O
(PSI)
Pressure Dierential (PSI)
25 50 75
1/2”
10 10 13 16
15 13 18 22
20 17 23 29
30 22 29 36
3/4”
10 16 21 26
15 20 27 32
20 24 32 40
30 29 38 48
1”
10 25 33 41
15 30 42 52
20 34 45 56
30 35 47 59
Pressure dierential is the dierence between the supply pressure and adjusted
outlet pressure measured in the static (closed) condition. Fall-o is the decrease
in downstream regulated pressure as the ow increases.