Watts LFDPG-3 User Manual
For Commercial, Residential & Institutional HVAC Applications
ES-LFDPG-3
Job Name
Job Location
Engineer
Approval
LEAD FREE
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Series LFDPG-3
Center Back-Entry Pressure
Gauges
Dial Sizes: 11/2", 2" (40, 50mm)
Series LFDPG-3 Center Back-Entry Pressure Gauges are used
in commercial, residential, and institutional HVAC applications.
They gauges feature ABS polymer cases, Kostil Polymer win-
1
dows,
/8" or 1/4" NPT connections, and copper alloy Bourdon
tube sensing elements. The LFDPG-3 features Lead Free*
construction to comply with Lead Free* installation requirements. Accuracy is ASME, Type B. Series LFDPG-3 gauges
are available in various pressure rating scales. The dual scale
features PSI and kPa measurements.
Contractor
Approval
Contractor’s P.O. No.
Representative
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LFDPG-3
Features
• ABS polymer case
• Kostil polymer window
• Copper alloy Bourdon sensing element
• Tin alloy welding
1
•
/8" or 1/4" NPT connections
• ASME Type “B” accuracy
Approvals
Certified by The Northern Certification Society of Italy
(Det Norske Verita Italia S.r.l.)
Standards
ASME B40.100
Temperature
Working Temperature: -4°F to 176°F (-20°C to 80°C)
Materials
Case: ABS polymer
Window: Kostil polymer
Sensing Element: Copper alloy Bourdon tube
Welding: Tin alloy
Connection: Lead Free Brass
* The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
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.
Dimensions – Weights
A
MoDeL ScALe Size DiMenSionS WeiGhtS
A B
in. in. mm in. mm lbs. kgs.
*
LFDPG3-11⁄2 0 – 160psi 1103 kPa
LFDPG3-2 0 – 60psi 413 kPa
LFDPG3-2 0 – 160psi 1103 kPa
LEAD FREE
LFDPG3-2 0 – 200psi 1379 kPa
B
1
⁄8 11⁄2 38 19/16 40 .1 .05
1
⁄4 2 50 115/16 49 .2 .09
1
⁄4 2 50 115/16 49 .2 .09
1
⁄4 2 50 115/16 49 .2 .09
A Watts Water Technologies Company
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
ES-LFDPG-3 1329 © 2013 Watts
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