Watts LFFBVS-4 - Manual

2-Piece, Full Port,
Brass Ball Valves
Sizes: 1 ⁄
4
" – 3" (8 – 80mm)
Series LFFBV-4, LFFBVS-4 2-Piece, Full Port, Brass Ball Valves are suit-
able for a full range of liquids and gases in residential and commercial
applications.
These valves feature an adjustable packing for longer service life, a
bottom loaded blow-out proof stem for safety, a fluorocarbon elasto-
mer stem O-ring to prevent stem leaking at installation, and are rated to
600psi WOG/150psi WSP 1 ⁄
4
"– 2" (8 – 50mm) and 400psi WOG/125psi
WSP 2 1 ⁄
2
"– 3" (65– 80mm). The LFFBV-4, LFFBVS-4 features Lead Free*
construction to comply with Lead Free* installation requirements.
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
• Fluorocarbon elastomer stem O-ring prevents stem leaks
• 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
• Complies with MSS-SP-110
Models
LFFBV-4 1 ⁄
4
" – 3" (8 – 80mm) threaded end connections
LFFBVS-4 1 ⁄
2
" – 3" (15 – 80mm) solder end connections**
Specifications
Approved valves shall be 2-piece full port design constructed of a forged
Lead Free copper silicon cast alloy body and end adapter. Lead Free*
2-Piece, Full Port, Brass Ball Valves shall be constructed using Lead
Free* materials. Lead Free* valves shall comply with state codes and
standards, where applicable, requiring reduced lead content. 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 chrome-plated
brass ball. Threaded valves ½" – 3" shall be CSA approved to ½ psig
and 5 psig and certified to NSF/ANSI Standard 61/8 by NSF. Solder
valves also required to be certified by NSF to NSF/ANSI Standard 61/8.
Valve sizes ¼" – 2" pressure rated to 600 psi WOG and 150 psi WSP.
Valve sizes 2 ½" – 3" pressure rated to 400 psi WOG and 125 WSP.
Valves specified are Watts Series LFFBV-4 or LFFBVS-4.
For Residential and Commercial Applications
ES-LFFBV-4
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
**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
"– 2" (8 – 50mm)
600psi (41.4 bar) WOG non-shock
150psi (10.3 bar) WSP
2 1 ⁄
2
"– 3" (65– 80mm)
400psi (27.6 bar) WOG non-shock
125psi (8.6 bar) 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.
Series LFFBV-4,
LFFBVS-4
LFFBVS-4**
Approvals
¼" – 3" LFFBV-4
½" – 3" LFFBVS-4
Certified to NSF/ANSI Standard 61/8
Domestic cold water at 73°F
Gas Approvals (Threaded Valves Only)
¼" – 3"
CSA
½ psig, 5 psig
@ -40°F to 125°F
LFFBV-4
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
*
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.