Watts FBVS-4 - Manual

2-Piece, Full Port,
Brass Ball Valves
Sizes: 1 ⁄
4
" – 3" (8 – 80mm)
Series FBV-4, FBVS-4 2-Piece, Full Port, Brass Ball Valves are
suitable 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
elastomer 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).
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 brass ball
• Complies with MSS-SP-110
Models
FBV-4 1 ⁄
4
" – 3" (8 – 80mm) threaded end connections
FBVS-4 1 ⁄
2
" – 3" (15 – 80mm) solder end connections*
Specifications
Approved valves shall be 2-piece full port design constructed of
a forged brass body and end adapter. Seats and stem pack-
ing 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 certi-
fied 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 FBV-4 or FBVS-4.
For Residential and Commercial Applications
ES-FBV-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 FBV-4, FBVS-4
FBVS-4*
Approvals
¼" – 3" FBV-4
½" – 3" FBVS-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
FBV-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.