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5
V83 Series
Swing-Out Ball Valves
External Vent Options
Maintenance Kits
Safe Valve Selection
Seat Seal Kits
Packing Seal Kits
The vent passage is isolated from the ball bore. The valve in closed position, system fluids vent through
vent passage to the vent port.
The valve in open position, no venting occurs, system fluids flow through the valve.
Choose either the Downstream Vent (DV) or Upstream Vent (UP) option.
External Vented Valve Rating
Upstream and downstream
Seat Material
Valve Series
Pressure, bar (psi)
Pressure @Max. Temp.
Reinforced PTFE
Virgin PTFE
Carbon PTFE
V83A
68.9 (1000)
@ -28 to 37°C
(-20 to 100°F)
7 bar @ 232°C (100 psig @ 450°F)
V83B
V83C
PEEK
V83A
7 bar @ 232°C (100 psig @ 450°F)
V83B
55 bar @ 232°C (800 psig @ 450°F)
V83C
UHMWPE
V83A
17 bar @ 121°C (250 psig @ 250°F)
V83B
V83C
Unscrew the swing-out bolt and loosen other three bolts. This al-
lows users to swing-out the body, keeping the valve in-line.
Kit contains each two pieces of seats, seat support rings, disc
springs and flange seals.
Valve Series
Seat Material
Designator
Flange Seal
Designator
V83A-
V83B-
V83C-
Nil
: Reinforced PTFE
VP
: Virgin PTFE
CP
: Carbon PTFE
PK
: PEEK
UH
: UHMWPE
Nil
: Reinforced PTFE
To order, add - SEAT as a suffix to the ordering number. i.e., V83B-PK-SEAT
The selection of a valve for any application or system design must be considered to ensure safe performance.
Valve function, valve rating, material compatibility, proper installation, operation and maintenance remain the sole responsibillty of
the system designer and the user. DK-Lok accepts no liability for any improper selection, installation, operation or maintenance.
Flange Seal Kits
Kit contains two flange seals.
Valve Series
Flange Seal
Designator
To order, add - FL as a
suffix to the ordering
number.
i.e., V83A-FL
V83A-
V83B-
V83C-
Nil
: Reinforced PTFE
■
All dimensions shown in this catalog are for reference only and are subject to change.
■
Dimensions with DK-Lok nuts are in finger-tight position.
■
We reserve the right to change specifications stated in this catalog for our continuing program of improvement.
Fastener Kits
Kit contains each four pieces of body fasteners, body hex nuts
and one stem nut.
Valve Series
Flange Seal
Designator
To order, add - BOLT as
a suffix to the ordering
number.
i.e., V83A-BOLT
V83A-
V83B-
V83C-
Gr. B8M
Kit contains each one piece of upper & lower packing, packing
gland, packing support and stem bearing.
Valve Series
Packing Material
Designator
Stem Bearing
Designator
V83A-
V83B-
V83C-
Nil
: Reinforced PTFE
PK
: PEEK
7 : X750
To order, add - PKG as a suffix to the ordering number. i.e., V83B-PK-PKG
SWING-OUT BOLT
SWING-OUT BOLT