Cover plate

The other space-saving approach is to use the Kobe (Kobe Steel) type of channel enclosure, which does not have all the external head bolts of typical TEMA Type B or Type C head enclosures. These exchangers require special tools to remove the tube bundles and trained maintenance personnel to do the work. These exchangers should never be located in stmctures because of the need to be able to access the channel from grade as it is difficult to remove the channel cover plate by using special equipment. 

Krebs steel steel, with titanium anode cover plate titanium inlet and oudet reducer connections titanium... 

Fig. UW-13.2. UA-4S to 52. UA-SS. Fig. UA 48. Appendix S Bolted flange. Spherical cover UA-6 Manhole cover plate. UG-11. UG-46 Flued openings. UG-32. UG-38. Fig. UG-38 Yoke. UG-11...

The second most commonly used header is a cover-plate header. The cover plate is bolted to the top, bottom, and end plates of the header. Removing the cover plate provides direct access to the tubes without the necessity of removing individual threaded plugs. 

Evaporators, Horizontal-Tube Type - The basic horizontal-tube evaporator is illustrated in Figure 12. The body of this evaporator is the liquor compartment and is in the form of a vertical cylinder. It is closed, top and bottom, with dished heads, although the bottom may be conical. The lower body ring is provided on opposite sides with steam compartments, closed on the outside by cover plates and on the inside by tube sheets. Between these tube sheets are fastened a number of horizontal tubes. The two steam chests with their connecting mbes form the steam compartment, and the tube wall heating surface. Steam is introduced into one steam chest and as it flows through the tubes it washes non-condensed gases and condensate ahead of it, so that these are withdrawn from the opposite steam chest. 

Example 2.5 In a small polypropylene pump the flange on the cover plate is 2 mm thick. When the rigid clamping screws are tightened, the flange is reduced in thickness by 0.03 mm. Estimate the initial stress in the plastic and the stress after 1 week... 

Cylinder water jackets are provided with removable cover plates for inspection. 

Some flame arrester designs allow in-place inspection (via a removable honsing cover plate) however, others have to be removed from the vent nozzle or in-line piping to inspect the flame arrester element. 

The top cover plate has all wetted surfaces lined, including the area mating with the overflow adapter. 

Access Manhole Including Davit and Cover Plate. 

Although most units are installed horizontally, inclined, Figure 10-177, and vertical units are also in service. Figures 10-178 and 10-179 show typical assemblies for tube bundles with fabricated or cast end headers and also with flanged cover plates. 

The tube bundle is an assembly of tubes rolled into tubesheets and assembled into headers. See Figures 10-175, 10-176, 10-178, 10-179 and 10-180. The usual headers are plug and cover plate but can accommodate U-bend types if the design so dictates. 

Figure 10-179. Typical tube bundle using flanged end cover plates. (Used by permission Yuba Heat Transfer Division of Connell Limited Partnership.)...

Figure 10-180. Typical construction of tube bundles with plug and cover plate headers. (Used by permission Bui. M92-3003MC 10/94. Hudson Products Corporation.)...

Compression and injection molding are used with amino resins to produce articles such as radio cabinets, buttons, and cover plates. Because melamine resins have lower water absorption and better chemical and heat resistance than urea resins, they are used to produce dinnerware and laminates used to cover furniture. Almost ah molded objects use fillers such as cellulose, asbestos, glass, wood flour, glass fiber and paper. The 1997 U.S. production of amino resins was 2.6 billion pounds. 

The experiment conducted by Rutherford and his co-workers involved bombarding gold foil with alpha particles, which are doubly charged helium atoms. The apparatus used in their experiment is shown in Figure 14-9. The alpha particles are produced by the radioactive decay of radium, and a narrow beam of these particles emerges from a deep hole in a block of lead. The beam of particles is directed at a thin metal foil, approximately 10,000 atoms thick. The alpha particles are delected by the light they produce when they collide with scintilltaion screens, which are zinc sulfide-covered plates much like the front of the picture tube in a television set. The screen... 

Fig. 4.5a-c Rectangular micro-channels, (a) 4i = 133—367 pm. Test section used by Peng and Peterson (1996) (schematic view) 1 electrical contact, 2 heated stainless steel block, 5 micro-channel, 4 cover plate, (b) <4 = 404—1,923 pm. Test section used by Harms et al. (1999) (schematic view) 1 silicon wafer, 2 micro-channel, 3 heater, 4 cover plate, (c) dh = 348 pm. Test section used by Qu and Mudawar (2002a) (schematic view) 1 copper block, 2 micro-channel, 3 heater, 4 cover plate. Reprinted from Peng and Peterson (1996), Harms et al. (1999), Warrier et al. (2002), Qu and Mudawar (2002a), Gao et al. (2002), and Lee et al. (2005) with permission... 

Fig. 4.15 Effect of axial conduction, channel between two parallel plates (Maranzana et al. 2004) (schematic view) 1 cover plate, 2 micro-channel, 3 silicon block 1,...

Fig. 4.17 Calculation model of triangular micro-channels heat sink 1 cover plate, 2 micro-channel, 3 silicon wafer, 4 heater. Reprinted from Tiselj et al. (2004) with permission...

Insulation. An R.F. coil is placed in position around the outside of the insulation. Finally, an outside wall of insulation is put into place and a top cover plate is put into position. At 2000 °C., the outerwall thickness of Zr02 needs to be at least 2.5 - 3.0 cm. The whole is then covered by a... 

Fig. 35.—Assembled osmometer of Weissberg and Hanks." (1) Solution and reference capillary (2) solution cell (3) osmometer base (4) pressure ring (5) perforated plate (perforations not shown) (6) semipermeable membrane (7) mercury seal (8) solvent container (9) solvent level (10) cover plate ...

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