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R - Series Double Dump Flapgate
Valve
The R-Series valve is our super-premium
airlock®. The patented radial shape of the seat and flappers
allow for a gtrue and tight fit even after extended use. This unique design also prevents loss of pressures over
time. Combined with Plattco's legendary "easy
maintenance technology", this exceptional double-dump valve offers the lowest
overall 10 year cost of any other airlock on the market.
Pneumatic R-Series
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R-Series Features
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Superior flapper-to-seat sealing
action
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Contact area of seat is a radius
ground, rounded surface
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Frustrom shaped flapper edges
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Flappers and seats of long wearing Ni-hard can be
repeatedly re-ground for extended service life
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Self flushing linkage designed to permit passage of surge-loads
and eliminate plugged lines
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Unique side access cover permits cleaning, service, and
replacement without systems interruption
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Outboard mounted shaft bearings permit air circulation and easy
access to shaft seals for replacement
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Optional knife edge seat prevents
material build up on the flappers, increases closing force,
and helps cut through stringy materials
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Available with replaceable o-ring
seals located in seat
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Standard operating temperatures up to
750oF (399oC). Available to 1800o F
(980oC)
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Capacities:
| Size |
Height (in.)** |
Cu
Ft/Hr |
| 6" |
29.563 |
60
cfh |
| 8" |
32.063 |
90
cfh |
| 10" |
36.063 |
150
cfh |
| 12" |
44.063 |
300
cfh |
| 16" |
60.125 |
405
cfh |
| 18" |
66.125 |
700
cfh |
| 24" |
88.125 |
1440
cfh |
The 6" - 12" capacities are based on standard 6x per minute cycle.
For 16"+ valves the cycle is 4x per minute. A dutchman or spool piece can be supplied to enable
greater capacity.
Download the full capacity chart, click here.
Special drives or other custom features such as controls, limit
switches, cooling jets, special shaft seals or other requirements
are available.
IMPORTANT NOTE: R-Series valves are
designed for free flowing particulate and are NOT suitable for
cutting through a head of material.
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