S8 - Series Double Dump Flapgate
Valves

Use the S8 flapgate where low overall height is
required. Features the same rugged design as our
famous H-Series valve in a low headroom alternative. Designed
to cycle over 3 million times per year with zero to minimal
maintenance.

Pneumatic S8-Series
Data Sheet.pdf
Download CAD Drawings

Electric S8-Series
(shown with dutchman)
Data Sheet.pdf
Download CAD Drawings
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S8-Series Features
- Low profile design for optimal
performance in conditions with dry, free flowing materials
- Flappers and seats of long wearing
high chrome can be
repeatedly re-ground for extended service life
- Special design eliminates jamming under normal conditions
- Unique front access cover permits cleaning, service, and
replacement without systems interruption
- Outboard mounted shaft bearings permit air circulation and easy
access to shaft seals for replacement
- Optional knife edge seat prevents
material build up on the flappers, increases closing force,
and helps cut through stringy materials
- Standard operating temperatures up to
750oF (399oC). Available to 1800o F
(980oC)
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Standard
Capacities:
| Size |
Height
(in) |
Cu
Ft/Hr |
| 6" |
14.063 |
17
cfh |
| 8" |
16.063 |
34
cfh |
| 10" |
20.063 |
66
cfh |
| 12" |
24.063 |
104
cfh |
| 16" |
32.125 |
160
cfh |
| 18" |
36.125 |
250
cfh |
| 24" |
48.125 |
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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. Cycle times are fully adjustable.
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: S-Series valves are designed for
free flowing particulate and are NOT suitable for cutting through
a head of material.
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