Watts LFDPG-1 User Manual

For Commercial, Residential & Institutional HVAC Applications

ES-LFDPG-1

Job Name

Job Location

Engineer

Approval

LEAD FREE

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*

Series LFDPG-1

Bottom-Entry Pressure Gauges

Dial Sizes: 2", 21/2", 3", 4"

Series LFDPG-1 Bottom-Entry Pressure Gauges are used in
commercial, residential, and institutional HVAC applications.
These gauges feature ABS polymer cases, Kostil Polymer
windows,
sensing elements. The LFDPG-1 features Lead Free* construc­tion to comply with Lead Free* installation requirements. Accu­racy is ASME, Type B. Series LFDPG-1 gauges are available in
various pressure-rating scales. The dual scale features PSI and
kPa measurements.

Features

1

/4" NPT connections, and copper alloy Bourdon tube

Contractor

Approval

Contractor’s P.O. No.

Representative

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LFDPG-1

• ABS polymer case

• Kostil polymer window

• Copper alloy Bourdon sensing element

• Tin alloy welding

1

•

/4" Lead Free Brass NPT connection

• 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

CA

B

MoDeL SCALe Size DiMenSionS WeiGhtS

A B C

in. in. mm in. mm in. mm lbs. kgs.

LFDPG1-2 0 – 15psi 103 kPa
LFDPG1-2 0 – 60psi 413 kPa
LFDPG1-2 0 – 100psi 689 kPa
LFDPG1-2 0 – 160psi 1103 kPa
LFDPG1-2 0 – 200psi 1379 kPa
LFDPG1-2
LFDPG1-2
LFDPG1-2
LFDPG1-2
LFDPG1-2

*

LFDPG1-2
LFDPG1-2

1

⁄2" 0 - 15psi 103 kPa

1

⁄2" 0 - 30psi 207 kPa

1

⁄2" 0 – 60psi 413 kPa

1

⁄2" 0 – 100psi 689 kPa

1

⁄2" 0 – 160psi 1103 kPa

1

⁄2" 0 – 200psi 1379 kPa

1

⁄2" 0 – 300psi 2069 kPa
LFDPG1-3 0 – 15psi 103 kPa
LFDPG1-3 0 – 30psi 207 kPa
LFDPG1-3 0 – 60psi 413 kPa
LFDPG1-3 0 – 100psi 689 kPa

LEAD FREE

LFDPG1-3 0 – 160psi 1103 kPa
LFDPG1-3 0 – 200psi 1379 kPa
LFDPG1-3 0 – 300psi 2069 kPa
LFDPG1-4 0 – 30psi 207 kPa
LFDPG1-4 0 – 60psi 413 kPa
LFDPG1-4 0 – 100psi 689 kPa
LFDPG1-4 0 – 160psi 1103 kPa
LFDPG1-4 0 – 200psi 1379 kPa
LFDPG1-4 0 – 300psi 2069 kPa
LFDPG1-4 0 – 600psi 4137 kPa

1

⁄4 2 50 213⁄16 72 11⁄16 28 .2 .09

1

⁄4 2 50 213⁄16 72 11⁄16 28 .2 .09

1

⁄4 2 50 213⁄16 72 11⁄16 28 .2 .09

1

⁄4 2 50 213⁄16 72 11⁄16 28 .2 .09

1

⁄4 2 50 213⁄16 72 11⁄16 28 .2 .09

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 21⁄2 63 35⁄16 85 11⁄8 28 .3 .14

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 3 80 37⁄8 99 11⁄8 29 .4 .18

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

1

⁄4 4 100 43⁄4 120 11⁄4 31 .5 .23

A Watts Water Technologies Company

USA: Tel: [phone] • Fax: [phone] • www.watts.com

Canada: Tel: [phone] • Fax: [phone] • www.watts.ca

ES-LFDPG-1 1329 © 2013 Watts