1-20 of 225 Search Results for

pressure-relief valves

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Image
Published: 30 August 2021
Fig. 128 Propylene fractionator schematic representing the equipment configuration at the time of the incident. The valves (gate valves) isolating the reboilers from the pressure-relief valve at the top of the propylene fractionator were not part of the original design and were installed More
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005758
EISBN: 978-1-62708-171-9
.... acetylene carbon dioxide check valves compressed gas cylinders hoses hydrogen oxygen pressure-relief valves propane propylene safety guidelines safety precautions thermal spraying Scope The objective of this article is to provide members of the thermal spray community with practical...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001487
EISBN: 978-1-62708-173-3
... to fumes and gases within safe limits. Shop Size The size of the welding or cutting enclosure is important. It affects the background fume level. Fume exposure inside a tank, pressure vessel, or other confined space will certainly be higher than in a high-bay fabrication area. Background Fume...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006074
EISBN: 978-1-62708-175-7
... in the process. Process Equipment Equipment for the process includes a pressure vessel with design pressures ranging up to 758 MPa (110 ksi), fluid reservoir, low-pressure transfer pump, high-pressure intensifier, fluid filtration equipment, automatic and manual high-pressure valves, pressure gages...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005635
EISBN: 978-1-62708-174-0
... that prevents the switch, valve, or other mechanism from being opened has been installed. When a piece of machinery is tagged out, a tag reading “DANGER” or “WARNING” along with a short message has been attached to the locking device. The message includes the name and contact nformation of the person who...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003503
EISBN: 978-1-62708-180-1
... system, and the relief valve opens if the system pressure exceeds 100 psig. Fig. 1 Schematic for a gas hot water heater ( Ref 25 ) Several models provide useful representations of the system for analysis. First, the elements of the hot water heater can be represented hierarchically as shown...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.9781627081719
EISBN: 978-1-62708-171-9
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
....) Checking the integrity of visible radiation (UV) shields Checking the function of critical interlocks Testing/verification of pressure-relief devices Checking and ensuring proper use of any required PPE Testing of emergency stops Leak checking and/or visual inspection of hoses/cables...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006561
EISBN: 978-1-62708-290-7
... partial-pressure atmosphere and air cooling ( Ref 4 ). It is important to note that the stress-relief process should not result in recrystallization or phase changes. However, in some instances, the high strain in many iron- and titanium-base alloys fabricated using the DMLS, EBAM, and DED processes...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
...) during the injection cycle. It was designed for 1035-kPa (150-psi) operation and had presumably been pressure tested at 1550 kPa (225 psi). Because the seals on both safety relief valves were intact, the valves were tested and found to operate properly at the required 1035-kPa (150-psi) set point...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005782
EISBN: 978-1-62708-165-8
... Abstract Stress-relief heat treating of steel is the uniform heating of a structure to a suitable temperature below the transformation range, holding at this temperature for a predetermined period of time, followed by uniform cooling. This article provides information on the sources of residual...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
..., instruments, and associated components should be properly supported so that the connecting piping system is not overstressed under fatigue loading. Failures in other parts of a system can cause pressure boundaries to fail. Burner failures, pressure-control valve failures, low water cutoffs that lead...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001372
EISBN: 978-1-62708-173-3
..., and a welding torch. Oxygen and fuel are stored in separate cylinders. The gas regulator attached to each cylinder, whether fuel gas or oxygen, controls the pressure at which the gas flows to the welding torch. At the torch, the gas passes through an inlet control valve and into the torch body, through a tube...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006137
EISBN: 978-1-62708-175-7
... greatly as they boil off into a gas. If this gas is contained in a closed space, tremendous and potentially hazardous high pressure will build up. For this reason, multiple safety relief valves should be designed into the piping systems to prevent the pressure from exceeding the maximum allowable working...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006556
EISBN: 978-1-62708-210-5
... … Other (total), max 0.50 Al bal (a) High iron decreases mechanical properties, especially ductility. Zinc or tin decreases mechanical properties. Magnesium reduces ductility Applications include valve bodies, manifolds, and similar castings requiring pressure tightness. Other...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005955
EISBN: 978-1-62708-166-5
... Helium 99.998 1 10 … … 1 1 … –62 –80 49.00 274 1.03 Hydrogen 99.9 10 1500 1 2 … 25 … –59 –75 60.60 339 1.4 (a) Relative to nitrogen as 1.0 When a gas is purchased in a liquid state, it is stored under pressure in a large tank with a pressure-relief valve...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005926
EISBN: 978-1-62708-166-5
...-based atmospheres, industrial gas nitrogen-base atmospheres, argon atmospheres, and hydrogen atmospheres. Atmospheres for backfilling, partial pressure operation, and quenching in vacuum are also discussed. Furnace atmospheres constitute four major groups of safety hazards in heat treating: fire...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005175
EISBN: 978-1-62708-186-3
.... The operator changes the cutting capacity of the torch by changing the cutting tip size and by resetting pressure regulators and control valves. Because different fuel gases have different combustion and flow characteristics, the construction of cutting tips, and sometimes of mixing chambers, varies according...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... is recommended prior to casting. Turning and Boring Turning Tool Angles For turning tools of high-speed steel or cast cobalt alloy, back and side rake angles of 5 to 15° (10° typical) are recommended. End relief angles should also be about 10°, large enough to prevent drag on the heel of the tool. When...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002153
EISBN: 978-1-62708-188-7
... cylindrical surfaces, but numerous outside surfaces also are honed. Gear teeth, valve components, and races for ball bearings and roller bearings are typical applications of external honing. Microhoning, also known as superfinishing, microfinishing, superfinish honing, short-stroke honing, and microstoning...