Buying Guide

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AHEAD OF THE FLOW
®
Bronze Threaded, Solder, NIBCO
®
Press System
and Grooved Ball Valves
NIB-SEAL
®
Technical Data
NIBCO bronze ball valves installed with NIB-SEAL
®
insulated handles are the only approach that keeps your
insulated piping system completely intact.
• Protective sleeve provides a stationary surface to affix the insulation, allowing
operation of the valve without destroying the integrity of the insulated system.
• High-strength cylindrical handle design features easy access to
standard adjustable memory stop for system balancing.
• Cap and insulating plug provide a vapor seal to prevent exchange
of air, to maximize the efficiency of your insulated piping system.
• Position indicators allow at-a-glance determination of whether
valve is in open or closed position.
• Preformed hole allows for convenient tagging.
Sample Specification
For piping systems requiring up to 2" of insulation,
specify a non-conductive CPVC extended-handle
bronze ball valve tested to UL 2043, is UL listed for
installation in air handling spaces (plenums),that
offers a vapor seal, adjustable memory stop,
position indicators and convenient valve packing
maintenance—all without disturbing the insulation.
Specify NIB-SEAL insulated handle.
Example: T-585-70-NS
For bronze ball valves with factory-installed NIB-SEAL
insulated handle, order appropriate NIBCO valve
figure number with suffix ”NS.“
Example: T-585-70-NS, 1/2"
NIB-SEAL on sweat ball valves are shipped
unassembled.
Dimensions
Valve Series Valve Series
580-70*/590* 585-70/595
Size C E F C E F
.250 — — — 3.750 2.188 4.25
.375 — — — 3.750 2.188 4.25
.500 3.750 2.188 4.25 3.750 2.188 4.25
.750 3.750 2.188 4.25 4.000 2.188 4.25
1.000 4.000 2.188 4.25 4.25 2.188 4.25
1.250 4.250 2.188 4.25 5.375 3.375 6.50
1.500 5.375 3.375 6.50 5.563 3.375 6.50
2.000 5.563 3.375 6.50 5.875 3.375 6.50
2.500 5.875 3.375 6.50 — — —
*Use 585-70/595 for ¼" - 1"
Cap keeps moisture-laden air out
to reduce chance of condensate
formation
Insulation plug provides vapor seal,
keeping air from infiltrating the
insulated system
Handle nut
Indicator gives at-a-glance valve
position
Memory stop plate and screws for
system balancing
Preformed hole for identification tag
Extension handle of durable non-thermal
conductive CPVC prevents formation of
condensation
Protective sleeve allows operation of
valve handle and maintenance of valve
packing while maintaining integrity of
piping insulation
NIBCO two-piece or three-piece
bronze ball valve is an integral part of
the NIB-SEAL valve system
Temperature range: 15° F to 250° F
Not intended for steam applications
in excess of 15 PSI
The revolutionary NIB-SEAL insulated handle system used with a NIBCO bronze
ball valve, stops condensate, cold. Its unique thermal barrier design keeps
moisture from infiltrating your insulated system while preventing thermal energy
loss through exposed metal handles.
Designed for new installations or retrofitting existing systems, NIB-SEAL bronze
ball valves offer a wide range of advantages for typical commercial HVAC
systems as well as industrial applications where insulated piping is desirable.
In addition, the NIB-SEAL handle was tested to UL 2043 and is UL listed for
installation in air-handling spaces (plenums).