Covers vacuum breakers of the hose connection type in sizes of
NPS-1/2, 3/4, and 1. HCVB devices incorporating a manual or
automatic draining feature are covered in CSA Standards B64.2.1
and B64.2.2, respectively.
Vacuum Breakers, Hose Connection Type (HCVB) with Manual Draining Feature
Covers vacuum breakers of the hose connection type in sizes of
NPS-1/2, 3/4, and 1. These devices incorporate a draining
feature that requires manual operation.
Vacuum Breakers, Hose Connection Type (HCVB) with Automatic Draining Feature
Covers vacuum breakers of the hose connection type in sizes of
NPS-1/2, 3/4, and 1. These devices incorporate an automatic
draining feature that does not require manual operation.
Covers vacuum breakers for use on laboratory faucets in a nominal
pipe size of 3/8 only, although inlet or outlet connections, or
both, may be different when so required for special
installations.
Backflow Preventers, Dual Check Valve Type with Intermediate Vent(DuCV)
Covers backflow preventers of the dual check valve type (with
intermediate vent) in nominal pipe sizes of 1/4 and 3/8 only.
They are designed to be used on low to moderate hazard
connections. These devices are suitable for use under continuous
or intermittent pressure and are designed to be used on
individual outlets or appliances with flow rates of 0.25 L/s (3.3
CGPM) or less. Inlet or…
Low-Pressure Connecting Assemblies for Medical Gas Systems
1. Scope
1.1 This Standard applies to low-pressure connecting assemblies for medical gas systems in any health care facility.
1.2 This Standard contains two parts as follows:
(a) Part I contains requirements relating to the construction, performance, and identification of low-pressure connecting assemblies (see Clauses 3 through 6); and
(b) Part II contains requirements relating…
Coniferous and broadleaved tree sawlogs — Visible defects — Classification
Refers to the terms and definitions given in ISO 4474. The following six groups are listed in a table in connection with their subgroups and varieties: Knots, shakes, defects of trunk shape, defects of wood structure, defects caused by fungi and damage.
1. Scope
1.1 This Standard applies to solid-state lighting controls rated at 600 V and less, with or without an integral switching (disconnecting) device, designed to be used in circuits
(a) for the control of incandescent lamps; and
(b) for the control of fluorescent, HID, ballasted, and similar lamps intended for installation in accordance with the Rules of the Canadian Electrical Code,…
1. Scope
1.1 This Standard applies to switching and metering centres (hereafter may be referred to for convenience as metering centres or centres) rated 600 V and less, intended to be used in accordance with the Rules of the Canadian Electrical Code, Part I, in nonhazardous locations, to provide switching, overcurrent protection and metering for a number of circuits supplied from a consumer…
Information Processing Systems - Data Communications - Use of X.25 to
Provide the OSI Connection-M...
This National Standard of Canada is identical in content and in
layout with International Standard ISO 8878-1987.
1. Scope and field of application
The OSI CONS, as stated above, is defined in terms of a set of primitive
actions and events and associated parameters. For a protocol to support this
service, there must be a mapping between the abstract primitives and parameters
of the…
