Watts LFFBVS-4B - Manual

Series LFFBV-4B,
LFFBVS-4B
2-Piece, Full Port,
Brass Ball Valves
Sizes: 1 ⁄
4
" – 3"
Series LFFBV-4B, LFFBVS-4B 2-Piece, Full Port, Brass Ball
Valves are suitable for a full range of liquids and gases in resi-
dential and commercial applications.
These valves feature an adjustable packing for longer service
life, a bottom loaded blow-out proof stem for safety, a fluoro-
carbon elastomer stem O-ring to prevent stem leaking at instal-
lation, and are rated to 600psi WOG/150psi WSP 1 ⁄
4
"– 3".
Features
• CSA approved threaded valves only ¼" – 3"
• Certified to NSF/ANSI Standard 61/8
• Metal-to-metal adapter body seal to eliminate adapter leaks
after soldering
• Adjustable stem packing gland provides longer service life
• Bottom loaded blowout proof stem
• PTFE stem packing seal and seats
• Machined chrome plated Lead Free brass ball for sizes ¼" -
1" and stainless steel for sizes 1¼" - 3"
• Complies with MSS-SP-110
Models
LFFBV-4B 1 ⁄
4
" – 3" threaded end connections
LFFBVS-4B 1 ⁄
2
" – 3" solder end connections*
Specifications
Approved valves shall be 2-piece full port design constructed
of a forged Lead Free brass body and end adapter. Seats
and stem packing shall be PTFE. Stem to be bottom-loaded,
blowout proof design with a fluorocarbon elastomer O-ring to
prevent stem leakage. Valves required to have an adjustable
packing gland and 1 /
2
" - 1" chromed plated Lead Free brass
ball and stainless steel for 1 1 /
4
" - 3". Threaded valves ¼" – 2"
shall be CSA approved to ½ psig and 5 psig and certified to
NSF/ANSI Standard 61/8. Solder valves also required to be
certified to NSF/ANSI Standard 61/8. Valve sizes ¼" – 2" pres-
sure rated to 600 psi WOG and 150 psi WSP. Sizes 2 1 /
2
" - 3"
pressure rated to 400 psi WOG and 125psi WSP. Valves speci-
fied are Watts Series LFFBV-4B or LFFBVS-4B.
For Residential and Commercial Applications
ES-LFFBV-4B
= This valve is designed to be soft soldered into lines without dis-
assembly, using a low temperature solder to 420°F (216°C). Higher
temperature solders may damage the seat material.
Pressure — Temperature
Temperature Range: -40ºF to 400ºF (-40ºC to 204ºC)
Pressure Rating:
1 ⁄
4
"– 3"
600psi (41.4 bar) WOG non-shock
150psi (10.3 bar) WSP
2 1 ⁄
2
"– 3"
400psi (27) WOG non-shock
125psi WSP
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.
Approvals
¼" – 3" FBV-4
½" – 3" FBVS-4
Certified to NSF/ANSI Standard 61/8
Gas Approvals (Threaded Valves Only)
¼" – 2"
CSA
½ psig, 5 psig
@ -40°F to 125°F
Installation Information
Apply heat with the flame directed AWAY from the center of the
valve body. Excessive heat can harm the seats. After soldering,
the packing nut may have to be tightened.
LEAD FREE
*
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
LFFBVS-4B =
LFFBV-4B