Models BF03-121-45 and BF03-121-4G full lug style butterfly
valves are certified by NSF to NSF/ANSI 61 Section 8. The
valves feature a FDA epoxy coated ductile iron body, aluminum
bronze disc, 416SS shaft, and a NSF approved EPDM seat. The
valves are designed and manufactured for use with ANSI 125 or
150 class flanges. They comply with API 609 and MSS-SP-67
and are bi-directional and provide dead-end service capability.
ISO standard 5211 mounting pad and bolt hole pattern allow for
actuation if required.
Features
• NSF approved EPDM seat is phenolic backed, non-collapsible,
and mechanically secured to provide dead-end service to
200psi (13.8 bar).
• FDA approved epoxy coated ductile iron body designed to ac-
cept 2" (50mm) of insulation.
• One-piece 416SS shaft with diameters in accordance with
AWWA C504-94 Class 75B for sizes 3" – 12" (80 - 300mm)
• Disc edge is machined and polished to assure leak tight shutoff
and low operating torque.
Models
BF03–121–45–M2 2" – 8" (50 - 200mm) lever handles
BF03–121–4G–M2 6" – 12" (150 - 300mm) manual gear
operator
For Potable Water Applications
ES-LFBF-03-121-45_4G
Job Name
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Contractor
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Job Location
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Approval
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Engineer
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Contractor’s P.O. No.
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Approval
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Representative
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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.
Series BF03-121-45
Full Lug
Certied to
NSF/ANSI Std 61/8.
Full Lug Style
Butterfly Valves
with NSF Certification
Model BF03-121-45
and BF03-121-4G
Sizes: 2" – 12" (50 - 300mm)
Specifications
Butterfly valves to be NSF approved for potable water applica-
tions with FDA approved epoxy coated ASTM A-536 ductile iron
body, NSF approved EPDM seat and be fully rated for dead end
and bidirectional service to 200psi. Disc material to be ASTM
A-395 aluminum bronze with one piece 416 stainless steel shaft.
Valve to have ISO standard 5211 mounting pad and bolt hole
pattern. Valve to be Watts Series BF03-121-45 with lever handle
or BF03-121-4G with gear operator.
Pressure – Temperature
Temperature Range: 5°F – 248°F (-15°C – 120°C)
Maximum Working Pressure: 200psi (13.8 bar) WOG
LEAD FREE
*
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
(1 pages)
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