Watts RPVM1 User Manual
For Residential Applications
ES-RPVM1
Job Name
Job Location
Engineer
Approval
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Series RPVM1
Residential Purge, Drain
and Balancing Valves
Sizes: 3/4" – 11/4"(20 – 32mm)
Series RPVM1 Residential Purge, Drain and Balancing Valves provide
a unique and low cost solution for start-up purging, balancing and draining of hydronic heating loops. Using a rugged, dual-ball valve design, the
small and compact RPVM1 facilitates high volume purging, accurate balancing, tight shutoff and hose connection for draining and purging.
Features
• One-piece construction – no extra assembly required
1
•
/2" ball valve purge port
• Positive shutoff dual-ball valve design – tight seal on balance
port maximizes purging
• Cast purge port handle
Contractor
Approval
Contractor’s P.O. No.
Representative
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3
/4"RPVM1-S
Models
RPVM1-S solder inlet x solder outlet, 3/4", 1 ", 11/4"
RPVM1-ST solder inlet x female NPT outlet,
3
/4", 1", 11/4"
Specifications
A purge, drain and balancing valve shall be installed where indicated on
the plans. The valve shall facilitate high volume purging, accurate balancing, tight shutoff and hose connection for draining and purging. The valve
shall feature a dual-ball valve design. The valve shall be a Watts Series
RPVM1.
Materials
Body: Brass
Ball: Plated brass
Seats: Virgin PTFE
Pressure – Temperature
Maximum Inlet Temperature: 250°F (121°C)
Maximum Working Pressure: 50psi (344 kPa)
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
RPVM1-ST
C
B
A
RPVM1-S
A
C
D
D
E
E
B
MODEL CONNECTIONS DIMENSIONS WEIGHT
Size AB C DE
inlet outlet in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
RPVM1-S solder solder3⁄4" 20 35⁄16 84 21⁄16 52 33⁄16 81 7⁄8 22 4 102 1.0 0.5
RPVM1-S solder solder 1" 25 4 102 27⁄16 62 33⁄16 81 11⁄16 27 41⁄4 108 1.5 0.7
RPVM1-S solder solder 11⁄4" 32 43⁄8 111 29⁄16 65 35⁄16 84 13⁄16 30 41⁄4 108 2.0 0.9
RPVM1-ST solder FPT
3
⁄4" 20 31⁄8 79 21⁄16 52 31⁄4 83 7⁄8 22 4 102 1.1 0.5
RPVM1-ST solder FPT 1" 25 33⁄4 95 27⁄16 62 33⁄16 81 11⁄16 27 41⁄4 108 1.6 0.7
RPVM1-ST solder FPT 11⁄4" 32 41⁄8 105 21⁄2 64 35⁄16 84 13⁄16 30 41⁄4 108 2.0 0.9
A Watts Wa ter Techn ologi es C ompan y
ES-RPVM1 1127 © 2011 Watts
USA: No. Andover, MA • Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Burlington, ON • Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.wattscanada.ca
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