Mechanical Science HandbooksMechanical Science Handbooks 20000 Part 5 doc

... for services where dirt or other particles may be present in the fluid, where noise is objectionable, or where positive shutoff is required. Rev. 0 ME-04 Page 35 Valves DOE-HDBK-1018/2-93 VALVE ... same techniques as is used for globe valves. Piston Check Valves Figure 25 Piston Check Valve A piston check valve, illustrated in Figure 25, is essentially a lift check valve. It has a dashpot...

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... to the other, while one is being cleaned. Rev. 0 ME- 05 Page 45 FILTERS AND STRAINERS DOE-HDBK-1018/2-93 Miscellaneous Mechanical Components Part C of Figure 24 shows a manifold steam strainer. ... water under pressure tends to flash into steam when the pressure is reduced. Rev. 0 ME- 05 Page 39 Miscellaneous Mechanical Components DOE-HDBK-1018/2-93 FILTERS AND STRAINERS Deep-bed fi...

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... for chemical regeneration. ME- 05 Rev. 0 Page 28 Miscellaneous Mechanical Components DOE-HDBK-1018/2-93 DEMINERALIZERS Figure 14 Regeneration of a Mixed-Bed Demineralizer Rev. 0 ME- 05 Page 27 DEMINERALIZERS ... that passes out of the trap is returned to the feed system. Rev. 0 ME- 05 Page 35 PRESSURIZERS DOE-HDBK-1018/2-93 Miscellaneous Mechanical Components PRESSURIZERS Pressurizers...

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... temperature of the inlet feedwater. Figure 9 Typical Fuel Boiler Rev. 0 ME- 05 Page 15 HYDRAULICS DOE-HDBK-1018/2-93 Miscellaneous Mechanical Components The high pressure oil flows through a control valve ... piston returns to a reservoir or tank via a filter, which removes foreign particles. Rev. 0 ME- 05 Page 13 Miscellaneous Mechanical Components DOE-HDBK-1018/2-93 BOILERS Summary...

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... Natural convection ME- 05 Page viii Rev. 0 OBJECTIVES DOE-HDBK-1018/2-93 Miscellaneous Mechanical Components Intentionally Left Blank ME- 05 Page x Rev. 0 Miscellaneous Mechanical Components DOE-HDBK-1018/2-93 ... as a means of establishing initial condenser vacuum. Figure 5 Rotary Liquid Seal Ring Air Compressor Rev. 0 ME- 05 Page 5 Miscellaneous Mechanical Components DOE-HDBK-1...

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... 37 Orifice-Type Steam Trap 38 Summary 39 ME- 05 Page ii Rev. 0 Department of Energy Fundamentals Handbook MECHANICAL SCIENCE Module 5 Miscellaneous Mechanical Components Valves DOE-HDBK-1018/2-93 VALVE ... 35 General Operation 35 Ball Float Steam Trap 35 Bucket Steam Trap 36 Thermostatic Steam Traps 36 Bellows-Type Steam Trap 36 Impulse Steam Trap 37 Orifice-Type Steam Trap 38 Sum...

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... a maximum operating temperature of 250 o F. At 250 o F, maximum operating pressure varies generally from 100 psig for a 1-inch diameter valve and decreases to 15 psig for a 12-inch diameter valve. ... plug coated. Lift-type valves provide a means of mechanically lifting the tapered plug slightly to disengage it from the seating surface to permit easy rotation. The mechanical lifting can...

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... DOE-HDBK-1018/2-93 VALVE FUNCTIONS AND BASIC PARTS Summary The following important information in this chapter is summarized below: Valve Functions and Basic Parts Summary There are four basic types ... 10 Valves DOE-HDBK-1018/2-93 TYPES OF VALVES Solid Wedge Figure 5 Solid Wedge Gate Valve The solid wedge gate valve shown in Figure 5 is the most commonly used disk because of its simpli...

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... Handwheel 45 Figure 32 Manual Gear Head 45 Figure 33 Electric Motor Actuator 46 Figure 34 Pneumatic Actuator 47 Figure 35 Solenoid Actuated Valve 48 ME-04 Page iv Rev. 0 VALVE FUNCTIONS AND BASIC PARTS ... LIST OF FIGURES LIST OF FIGURES Figure 1 Basic Parts of a Valve 2 Figure 2 Rising Stems 4 Figure 3 Nonrising Stems 5 Figure 4 Gate Valve 9 Figure 5 Solid Wedge Gate Valve 11 Figure 6...

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... and Control; Electrical Science; Material Science; Mechanical Science; Chemistry; Engineering Symbology, Prints, and Drawings; and Nuclear Physics and Reactor Theory. The handbooks are provided ... DOE-HDBK-1018/2-93 JANUARY 1993 DOE FUNDAMENTALS HANDBOOK MECHANICAL SCIENCE Volume 2 of 2 U.S. Department of Energy FSC-6910 Washington, D.C. 2 058 5 Distribution Statement A. Approved...

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