For Residential and Commercial Applications
ES-LFIPF-HV
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Approval
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Series LFIPF-HV
Isolation Pump Flanges for
Circulator Pumps
Sizes:
3
⁄4" – 2" (20 – 50mm)
Series LFIPF-HV Isolation Pump Flanges are designed
to isolate circulator pumps to facilitate circulator pump
replacement or repair.
Features
• LeadFree*Brassbodyandflange
• AdjustableVirginPTFEpacking
• Buna-NstemO-ringseal
• Suppliedwithleverhandle
• VirginPTFEseats
• Bottomloaded,blowoutproofstem
Models
LFIPFM1-T-HV
3
⁄4" – 1
1
⁄2"(20–40mm)NPTthreadedend
connection
LFIPFM1-S-HV
3
⁄4" – 1
1
⁄2" (20 – 40mm) Solder end connection
LFIPFM2-T-HV 2"(50mm)NPTthreadedendconnection
LFIPFM2-S-HV 2"(50mm)solderendconnection
Specifications
Approved isolation pump flange of 2-piece design constructed
ofLeadFreebrassbodyandendadaptor.Pumpflangeshall
haveadjustablePTFEpackingandaBuna-NO-ringonaLead
FreebrassstemwithvirginPTFEseats.Valvetobepressure
rated to 600psi (41.4 bar) WOG. Valves rated to 400psi (27.6
bar)WOGorlessarenotacceptable.Thepumpflangeshall
beconstructedusingLeadFree*brassmaterial.LeadFree*
pumpflangeshallcomplywithsalecodesandstandardswhere
applicable requiring reduced lead content. Approved valve is a
WattsRegulatorCompanySeriesLFIPF-M1-T-HV(threaded)or
LFIPFM1-S-HV (solder).
LFIPFM1-S-HV
LFIPFM1-T-HV
*Thisvalveisdesignedtobesoftsolderedintolineswithoutdisassembly,
usingalowtemperaturesolderto420°F(216°C).Highertemperature
soldersmaydamagetheseatmaterial.
ApplyheatwiththeflamedirectedAWAYfromthecenterofthevalve
body.Excessiveheatcanharmtheseats.
LEAD FREE
*
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 with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
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