Gas-fired low-pressure steam and hot water boilers
1 Scope
1.1
This Standard applies to newly produced gas-fired low-pressure steam and hot water boilers with gas inlet pressure ratings not exceeding 0.5 psi (3.5 kPa) and having input ratings of less than 12 500 000 Btu/h (3 663 389 W) (see Clause 3), hereinafter referred to as boilers,* constructed entirely of new unused parts and materials,
a)
for operation at or below the following…
1 Scope
1.1
This Standard covers plumbing fittings, including the following:
a)
automatic compensating valves other than those for individual wall-mounted showering systems;
b)
solenoid valves;
c)
temperature-actuated in-line mixing valves;
d)
thermal expansion relief valves; and
e)
trap primers.
1.2
This Standard does not cover the following plumbing supply fittings and accessories…
Water pressure reducing valves for potable water distribution systems
1 Scope
1.1 General
This Standard applies to self-acting spring-operated devices that automatically reduce the initial pressure in water systems to a set lower pressure. It applies to devices that are of the direct-acting diaphragm type with a means for adjusting the pressure setting. Valves can be with or without an integral bypass relief valve or strainer.
1.2 Sizes
This Standard applies to…
Manually or automatically operated valves for use in plumbing systems
1 Scope
1.1 Inclusions
This Standard specifies requirements for manually or automatically operated valves, in sizes NPS 4 and smaller. Valves covered by this Standard are intended for installation as water shutoff valves between the meter and the supply stop.
Note: Manually or automatically operated valves covered by this Standard are also known as supply line stops.
1.2
This Standard does…
1 Scope
1.1
This Standard covers plumbing fixtures made of stainless steel alloys and specifies requirements for materials, construction, performance, testing, and markings.
Note: The term “corrosion-resisting steel” is also applied to stainless steel.
1.2
This Standard covers the following plumbing fixtures:
a)
bathtubs;
b)
bidets;
c)
drinking fountains and water coolers;
d)…
Flush valves and spuds for water closets, urinals, and tanks
1 Scope
1.1
This Standard covers spuds and flush valves for water closet bowls, tanks, and urinals.
1.2
The provisions of this Standard are not intended to prevent the use of alternative materials or methods of construction or design, provided any such alternative meets the performance criteria outlined herein.
1.3
In this Standard, “shall” is used to express a requirement, i.e., a…
Explosive atmospheres — Part 25: Intrinsically safe electrical systems
1 Scope
This part of IEC 60079 contains the specific requirements for design, construction and
assessment of intrinsically safe systems, Type of Protection “i”, intended for use, as a whole or
in part, in locations in which the use of Group I, II or III Ex Equipment is required.
NOTE 1 This standard is intended for use by the designer of the system e.g. a person who could be a manufacturer,…
1 Scope
1.1
This Standard describes the methods for determining the level of depressurization and solutions to mitigate risk arising from depressurization.
1.2
This Standard applies to detached, semi-detached, and row houses equipped with an exhaust device(s). It also applies to houses with secondary suites equipped with a separate exhaust device(s).
1.3
This Standard does not address…
Medical gas pipeline systems — Part 1: Pipelines for medical gases, medical vacuum, medical support ...
1 Scope
1.1 General
This Standard specifies safety requirements for pipelines for medical gases, medical vacuum, medical
support gases, and anaesthetic gas scavenging systems in health care facilities, both public and private.
It applies to all facilities providing health care services, regardless of type, size, location, or range of
services, including, but not limited to
a) acute care…
Anaesthetic and respiratory equipment — Low-flow nasal cannulae for oxygen therapy
This document specifies requirements for low-flow nasal cannulae, used in both home care and hospital environments for the administration of oxygen therapy.
This document does not include requirements to prevent the proliferation of fire within the tubing but does specify a user-detachable connection that can be used to fit a fire-activated oxygen shut-off device.
