sleeve valve


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sleeve valve

[′slēv ‚valv]
(mechanical engineering)
An admission and exhaust valve on an internal-combustion engine consisting of one or two hollow sleeves that fit around the inside of the cylinder and move with the piston so that their openings align with the inlet and exhaust ports in the cylinder at proper stages in the cycle.
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But the concept (along with big radials in general) died with the arrival of the jet engine, and sleeve valves never really caught on in motoring applications anyway.
In operation, the rotary sleeve valve rotates within the valve body, literally wiping away trace residue and preventing the accumulation of soot and other substances.
The Inbal valve is much more resistant to severe surge pressures than any other deluge control valve on the market, including other rubber sleeve valves. Pressures up to and exceeding 50bar (for a 6in valve) has routinely been mastered without any defects.
Working in a major hydraulic company some years ago I noticed a sudden increase in the output of the selectively assembled spool and sleeve valves. I received a cold shoulder from my superior when I expressed my concern.
Tenders are invited for Provide sleeve valves manufactured by pratt or bailey valve.
from: ca lm 3000-Press system pipe DN 10 - DN 80 and welded steel pipe DN 50 - 150, 2 pcs heating distributor with 4 and 7 heating zones, about 120 flange and sleeve valves DN 12 - DN 150