roller gate

roller gate

[′rō·lər ‚gāt]
(civil engineering)
A cylindrical, usually hollow crest gate that is raised and lowered by large toothed wheels running on sloping racks.
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The protesters attacked an arcade gaming center, prying open the roller gate and vandalizing exterior walls and video cameras.
After the slats are installed upstream of jammed roller gate No.
This manufacturer introduces a new gravity flow slide gate that is as robust as the the company's Aggregate Gate, but has the superior dust-tight seal of the its Roller Gate. The Titan Series abrasion resistant slide gate is the perfect gate for abrasive materials such as whole grains, coal, metal powders, or minerals up to 400[degrees]F (204[degrees]C).
After the molds are stripped from the patterns, the patterns are transferred back to the molding line by the use of pop-up rollers and a gravity roller gate (Fig.
When debris gathers against a Leaburg Dam roller gate, EWEB crews try to "flush" it under the gates by lifting the gates high.
A new dual-cylinder roller gate from Salina Vortex Corp., Salina, Kan., handles dry materials in gravity-flow applications where positive material shutoff and a dust-tight seal are required.
repair existing 6 lf galvanized poles where required, secure existing 6 lf chain link fabric to poles, add new sections of 6 lf foot chain link fencing and 6 lf foot poles in designated areas, add a 20 lf foot 6 lf foot high roller gate at the entrance including (3) 6.5" bollards, see attached file.
estimate of major quantities: 2 ls, clearing areas; 6 each, clearing and grubbing isolated trees; 1,000 cy, excavation; 1,000 ton, aggregate base course; 25,000 sy, asphaltic surface milling; 160 lf, storm sewer; 2 each, catch basins; 5,000 ton, hma pavement; 25 set, aircraft tie downs; 1,050 sf, pavement markings; 10,000 lb, crack sealing asphalt pavement; 1,300 lf, sawcutting; 90 lf, chain link fence; 1 ls, power roller gate; 3,000 sy, landscaping; 850 lf, electrical duct; 2,000 lf, electrical cable; 1 each, airfield guidance sign.
- Los M1 revision of safety throttle- Los M2A revision and renewal Grundablass Protect- Los M2B revision and renewal Dotierschtzen- Los M3 revision and renewal roller gate balancing reservoir- Los M4 renewal Fine Screen headrace version, Deliveryand assembly stoplogs to Dotierauslass- Los M5 delivery and installation of Sedimentsplleitung andRenewal of the rake of Dotierauslass- Los M6 delivery and installation of the inlet tube and the lid to the bottom outlet- Los M7 renewal of corrosion protection at the power plant.
Tenders are invited for Repair/Maintenance Of Hanger Gate, Tarmac Roller Gate And Iron Shutter In Tech Area At Af Stn Maharajpur
Tenders are invited for Repair And Mintenance Of Hanger Gate, Tarmac Roller Gate, And Iron Shutter In Tech Area At Af Stn Maharajpur