Watts LF26A User Manual
For Residential and Commercial Applications
ES-LF26A/LF263A
Job Name
Job Location
Engineer
Approval
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LEAD FREE
*
Contractor
Approval
Contractor’s P.O. No.
Representative
Series LF26A, LF263A
Small Pressure Regulators
Sizes: LF26A: 1⁄8" – 1⁄2" (3 – 15mm)
LF263A:
Series LF26A, LF263A Small Pressure Regulators are general
purpose pressure regulators for water service. The LF26A, LF263A
features Lead Free* construction to comply with Lead Free* installation requirements. These regulators are ideal for use in beverage
dispensers, ice cube machines and other similar applications. Lead
Free* small pressure regulators shall comply with state codes and
standards, where applicable, requiring reduced lead content.
Features
• Rugged forged Lead Free* Brass body
• Tee handle adjustment
• Oversized orifice
Models
LF26A 2-way regulator
LF263A 3-way regulator
Materials
Body: Lead Free* Brass
Spring Cage: Aluminum
Disc: Buna-N stainless steel
Diaphragm: Reinforced Buna-N
1
⁄4" – 1⁄2" (8 – 15mm)
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Capacity
bars psi
3.4 50
2.8 40
2.1 30
1.4 20
Reduced Pressure
.7 10
0 0
1 2 3 4 5 6 7 gpm
3.8 7.6 11 15 19 23 27 lpm
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LF26A
2-Way
Initial pressure 100psi (6.9 bars)
Flow
LF263A
3-Way
Pressure – Temperature
Temperature Range: 0°F – 140°F (-18°C – 60°C)
Maximum Working Pressure: 300psi (21 bar)
Reduced Pressure Range:
Suffix Range Std. Set at
psi bars psi bars
A 1 – 25 0.1 – 1.7 10 0.7
B 3 – 50 0.2 – 3.4 15 1.0
C 10 – 125 0.7 – 8.6 25 1.7
D 50 – 175 3.4 – 12.1 50 3.4
Options
G Pressure gauge
SS All stainless steel construction
X Slotted adjusting screw
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts
reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications
on Watts products previously or subsequently sold.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
ES-LF26A/LF263A 0940 © 2009 Watts
* The wetted surface of this product contacted
by consumable water contains less than one
quarter of one percent (0.25%) of lead by
weight.
Dimensions – WeightsDimensions – Weights
Model Size (DN) A C Weight
in. mm in. mm in. mm lbs kgs
LF26A
LF26A/LF263A
LF26A/LF263A
LF26A/LF263A
1
⁄8 3 21⁄8 54 43⁄8 111 1 .45
1
⁄4 8 21⁄8 54 43⁄8 111 1 .45
3
⁄8 10 21⁄8 54 43⁄8 111 1 .45
1
⁄2 15 21⁄8 54 43⁄8 111 1 .45
A Watts Water Technologies Company
A
C
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