3at Collet

A critical component of many buildings is that of efficient smoke ventilation systems. The purpose of Smoke and Heat Exhaust Ventilation (SHEV) systems is to draw toxic fumes and heat out of a burning building.

It is important that this system is designed to keep common spaces such as corridors, lobbies and stairwells free of smoke so the occupants can evacuate the building quickly and efficiently and that fire fighters have access to the source of the fire in order to extinguish it.

Tall buildings may also require the installation of mechanical ventilation systems as their structure does not create ideal conditions for natural ventilation. Examples include hospitals - where safety is of paramount importance - and premises such as hotels, multi-storey residences and shopping centres.

South Bend 9 Lathe 3at Collet Closer Draw Bar W 2 Collets Hwc-103n
South Bend 9 Lathe 3at Collet Closer Draw Bar W 2 Collets Hwc-103n
99.99
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3-at Emergency Collet - Brass
3-at Emergency Collet - Brass
61.08
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New Atlas Craftsman 9-12 Inch Lathe 3c 3at Collet Drawtubehandwheel Assembly
New Atlas Craftsman 9-12 Inch Lathe 3c 3at Collet Drawtubehandwheel Assembly
119.99
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38 3-at Hexagon Collet
38 3-at Hexagon Collet
66.66
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18 3-at Square Collet
18 3-at Square Collet
66.66
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14 3-at Round Collet
14 3-at Round Collet
32.40
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Vintage Nos Handwheel Drawbar 10 Atlas Lathe Model A 3at Collet General Die Co.
Vintage Nos Handwheel Drawbar 10 Atlas Lathe Model A 3at Collet General Die Co.
250.00
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716 3-at Hexagon Collet
716 3-at Hexagon Collet
66.66
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Lot Of 3 Lathe Collets 1116 38 58
Lot Of 3 Lathe Collets 1116 38 58
39.94
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Unused 3at Emergency Collet Lathe Logan South Bend Atlas Craftsman Germany
Unused 3at Emergency Collet Lathe Logan South Bend Atlas Craftsman Germany
60.00
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316 3-at Hexagon Collet
316 3-at Hexagon Collet
66.66
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14 3-at Hexagon Collet
14 3-at Hexagon Collet
66.66
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3-at Emergency Collet - Steel
3-at Emergency Collet - Steel
49.98
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Hardinge 3at Collet 2364
Hardinge 3at Collet 2364
25.00
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3at Step Collet 1-18 Thick 3c Collet Montgomery Ward Atlas Logan Southbend
3at Step Collet 1-18 Thick 3c Collet Montgomery Ward Atlas Logan Southbend
99.00
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Royal 3at Collet 316
Royal 3at Collet 316
14.99
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Ttc 564 3at Round Collet
Ttc 564 3at Round Collet
31.33
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Collet Fixture Indexer For Precision Grinding Hardinge Rivett 3at Collets Nice
Collet Fixture Indexer For Precision Grinding Hardinge Rivett 3at Collets Nice
1,250.00
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316 3-at Square Collet
316 3-at Square Collet
66.66
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Powr Kraft Logan 10 Metal Lathe Collet Closer Drawbar 3at Collet Sleeve Mt3
Powr Kraft Logan 10 Metal Lathe Collet Closer Drawbar 3at Collet Sleeve Mt3
230.00
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Royal 3at Lathe Collet Closer Atlas Craftsman
Royal 3at Lathe Collet Closer Atlas Craftsman
149.99
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516 3-at Square Collet
516 3-at Square Collet
66.66
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14 3-at Square Collet
14 3-at Square Collet
66.66
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516 3-at Hexagon Collet
516 3-at Hexagon Collet
66.66
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18 3-at Hexagon Collet
18 3-at Hexagon Collet
66.66
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10 Inch Atlas Lathe Hand Wheel Collet Closer And 13 German 3 At Collets New
10 Inch Atlas Lathe Hand Wheel Collet Closer And 13 German 3 At Collets New
500.00
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Precision 3at 1332 Lathe Collet
Precision 3at 1332 Lathe Collet
10.00
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Royal 12 3at Lathe Collet
Royal 12 3at Lathe Collet
12.99
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Vintage 3at 1132 Lathe Collet
Vintage 3at 1132 Lathe Collet
10.00
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12 3-at Round Collet
12 3-at Round Collet
32.40
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Vintage 3at 1532 Lathe Collet
Vintage 3at 1532 Lathe Collet
10.00
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Royal 3at Collet 316 Logan South Bend Montgomery Ward Craftsman
Royal 3at Collet 316 Logan South Bend Montgomery Ward Craftsman
15.00
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Vintage 3at 316 Lathe Collet
Vintage 3at 316 Lathe Collet
10.00
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516 3-at Round Collet
516 3-at Round Collet
32.40
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716 Hex 3at Precision 3at Metal Lathe Collet - Size 716-hexagon Collet
716 Hex 3at Precision 3at Metal Lathe Collet - Size 716-hexagon Collet
29.00
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716 3-at Round Collet
716 3-at Round Collet
32.40
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1132 3-at Round Collet
1132 3-at Round Collet
32.40
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564 3-at Round Collet
564 3-at Round Collet
32.40
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3c Step Collet 3 O.d X .81 Thick Montgomery Ward Atlas Logansouthbend 3at
3c Step Collet 3 O.d X .81 Thick Montgomery Ward Atlas Logansouthbend 3at
79.00
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332 3-at Round Collet
332 3-at Round Collet
32.40
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Precision Brand 3at Clutch Collet 3 Diameter Perfect For Atlas W 3at Collets
Precision Brand 3at Clutch Collet 3 Diameter Perfect For Atlas W 3at Collets
34.99
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Hardinge 3at Collet 964 In Box
Hardinge 3at Collet 964 In Box
25.00
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18 3-at Round Collet
18 3-at Round Collet
32.40
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1532 3-at Round Collet
1532 3-at Round Collet
32.40
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38 3-at Round Collet
38 3-at Round Collet
32.40
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316 3-at Round Collet
316 3-at Round Collet
32.40
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1332 3-at Round Collet
1332 3-at Round Collet
32.40
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1364 3-at Round Collet
1364 3-at Round Collet
32.40
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1164 3-at Round Collet
1164 3-at Round Collet
32.40
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532 3-at Round Collet
532 3-at Round Collet
32.40
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964 3-at Round Collet
964 3-at Round Collet
32.40
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932 3-at Round Collet
932 3-at Round Collet
32.40
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Nice Original Precision 316 3at Collet Logan 9 10 Atlas 10 Craftsman 12 Lathe
Nice Original Precision 316 3at Collet Logan 9 10 Atlas 10 Craftsman 12 Lathe
14.95
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Ttc 3at-emg 3at Steel Emergency Collet
Ttc 3at-emg 3at Steel Emergency Collet
23.43
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116 3-at Round Collet
116 3-at Round Collet
32.40
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732 3-at Round Collet
732 3-at Round Collet
32.40
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764 3-at Round Collet
764 3-at Round Collet
32.40
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Hardinge 3at Round Smooth Collet - 1564 Hole Size
Hardinge 3at Round Smooth Collet - 1564 Hole Size
57.34
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2364 3-at Round Collet
2364 3-at Round Collet
32.40
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3164 3-at Round Collet
3164 3-at Round Collet
32.40
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1564 3-at Round Collet
1564 3-at Round Collet
32.40
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2164 3-at Round Collet
2164 3-at Round Collet
32.40
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2564 3-at Round Collet
2564 3-at Round Collet
32.40
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1764 3-at Round Collet
1764 3-at Round Collet
32.40
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1964 3-at Round Collet
1964 3-at Round Collet
32.40
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2764 3-at Round Collet
2764 3-at Round Collet
32.40
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2964 3-at Round Collet
2964 3-at Round Collet
32.40
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3c 1a 3at Collet Holder
3c 1a 3at Collet Holder
14.99
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Vintage Original Precision 3at Metal Lathe Collet - Size 316
Vintage Original Precision 3at Metal Lathe Collet - Size 316
15.00
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348 3at Square Hex Round Hardinge Royal Precision Collets Atlas Logan Lathe
348 3at Square Hex Round Hardinge Royal Precision Collets Atlas Logan Lathe
3,480.00
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3at Collet Rack Bench Top Or Drawer Storage Holder Stand Set Lathe Tray Phb4
3at Collet Rack Bench Top Or Drawer Storage Holder Stand Set Lathe Tray Phb4
22.95
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Buck Forkardt 3at6 3 At 6 3 Jaw Lathe Chuck With Chuck Key.
Buck Forkardt 3at6 3 At 6 3 Jaw Lathe Chuck With Chuck Key.
399.20
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Lathe Grinding Tool Collet System Uses 3at Collet 12 Inc. Rare Tool Machine
Lathe Grinding Tool Collet System Uses 3at Collet 12 Inc. Rare Tool Machine
99.99
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Finally, natural ventilations systems are becoming an increasingly attractive method for ensuring a safe and healthy indoor climate. These are considerably more environmentally friendly that air conditioning units which can have a large carbon footprint.

All these different ventilation systems have different functions and applications, making each one suitable for situations where another may not provide the optimum solution. The exact system to be used all depends on the building in question; its architecture, function and the level of fire safety required all will play a major role in determining the right ventilation solution.

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