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CSA/AM - ANSI Z21.18/CSA 6.3

Gas Appliance Pressure Regulators

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Organization: CSA/AM
Publication Date: 1 January 2000
Status: inactive
Page Count: 100
scope:

Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), constructed entirely of new, unused parts and materials, hereinafter referred to as regulators, intended for

application on individual gas appliances.

This standard also applies to negative gas appliance pressure regulators

(see Part V, Definitions). The performance of negative pressure

regulators is covered under Part III of this standard.

Compliance of a device with this standard does not imply that such

device is acceptable for use on gas appliances without supplemental

tests with the device applied to the particular appliance design.

Components performing functions other than those of a gas appliance

pressure regulator shall comply with the applicable American National Standards.

Types of Gases. This standard applies to regulators for operations with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures.

Regulators shall be classified in accordance with their intended application with reference to inlet pressures as follows:

Rated Inlet Pressure ______________

1/2 psi (3.5 kPa) 2 psi (13.8 kPa) 5 psi (34.5 kPa)

Types of Application. This standard applies to regulators for the

following general types of application:

a. Main burner load application;

b. Pilot burner load application;

c. Main burner and pilot burner load application to control a minimum

pilot flow rate of:

1. 0.15 cubic foot per hour (1.18 cm(3)/s), P, or

2. 0.50 cubic foot per hour (3.93 cm(3)/s), P; or

d. Domestic range application (see 2.11).

Mounting Position(s). The manufacturer shall specify one or more of the

following mounting classifications (see 1.12).

Upright - single position on a horizontal axis with respect to the

inlet connection, as specified by the manufacturer.

Horizontal - any position on a horizontal axis with respect to the

inlet connection.

Vertical - any position on a vertical axis with respect to the inlet connection.

Limited Horizontal - any position from upright to 90 degrees (1.57 rad) from upright on a horizontal axis with respect to the inlet connection.

Multipoise - any position on a horizontal, vertical or

intermediate axis with respect to the inlet connection.

The tests specified herein shall be conducted with the regulator mounted

in the manufacturer's specified upright position, unless otherwise specified herein.

If the manufacturer specifies more than one mounting position, the tests in 2.8 or 3.8, as applicable, shall be conducted in each mounting position. The data from these tests shall then be analyzed to determine the mounting position which produces the minimum outlet pressure with the minimum outlet pressure setting (if adjustable), and the mounting position which produces the maximum outlet pressure with the maximum outlet pressure setting (if adjustable). These two mounting positions shall be designated

Position A and Position B, respectively.

a. The tests in 2.9 or 3.9 and 2.10, as applicable, shall be conducted

in Position A, as determined in 2.8 or 3.8.

b. The tests in 2.9 or 3.9 and 2.10, as applicable, shall also be

conducted in Posistion B, as determined in 2.8 or 3.8.

The tests specified herein shall be conducted at a room temperature of

77 +/- 10 degrees F (25 +/- 5.5 degrees C). Regulators and vent limiters complying with the provisions of this standard shall be considered as having an ambient temperature range of 32 degrees F (0 degrees C) to 125 degrees F (51.5 degrees C). At the option of the manufacturer, a greater ambient temperature range may be specified, in which case additional tests as outlined in 2.1.2 and 2.1.3 shall be conducted.

If a value for measurement as given in this standard is followed by an equivalent value in other units, the first stated value is to be regarded as the specification.

All references to "psi" throughout this standard are to be considered

Document History

July 1, 2019
Gas appliance pressure regulators
This Standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Clause 3, Definitions), constructed entirely of new, unused parts and...
September 1, 2012
Gas Appliance Pressure Regulators Part I: Construction
A description is not available for this item.
January 1, 2012
Gas Appliance Pressure Regulators
A description is not available for this item.
January 1, 2012
Gas Appliance Pressure Regulators
A description is not available for this item.
October 1, 2010
Gas Appliance Pressure Regulators
A description is not available for this item.
October 1, 2010
Gas Appliance Pressure Regulators
A description is not available for this item.
January 1, 2010
Gas Appliance Pressure Regulators
A description is not available for this item.
January 1, 2010
Gas Appliance Pressure Regulators
A description is not available for this item.
October 1, 2007
Gas Appliance Pressure Regulators
Preface This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of gas appliance pressure regulators. It is the result of...
October 1, 2007
Gas Appliance Pressure Regulators
Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), constructed entirely of new,...
January 1, 2007
Gas Appliance Pressure Regulators
Preface This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of gas appliance pressure regulators. It is the result of...
January 1, 2007
Gas Appliance Pressure Regulators
Preface This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance of gas appliance pressure regulators. It is the result of...
Gas Appliance Pressure Regulators
The standards set forth herein apply to the first edition of the Standard for Gas Appliance Pressure Regulators, ANSI 221.1 8-1 995 CGA 6.3-M95, and Addenda 221.1 8a-1998 - CGA 6.3a-M98, and...
January 1, 2000
Gas Appliance Pressure Regulators
Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), constructed entirely of new,...
ANSI Z21.18/CSA 6.3
January 1, 2000
Gas Appliance Pressure Regulators
Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), constructed entirely of new,...
January 1, 2000
Gas Appliance Pressure Regulators
Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), constructed entirely of new,...
September 1, 1998
Gas Appliance Pressure Regulators
PREFACE The standards set forth herein apply to the first edition of the Standard for GAS Appliance Pressure Regulators, ANSI Z21.18-1995 . CGA-6.3-M95, and supersede corresponding standards...
Gas Appliance Pressure Regulators
SCOPE Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), hereinafter referred to as...
Gas Appliance Pressure Regulators First Edition
PREFACE This publication represents a standard for safe operation, substantial and durable construction, and acceptable performance of gas appliance pressure regulators. It is the result of years of...
January 1, 1993
GAS APPLIANCE PRESSURE REGULATORS EIGHTH EDITION ADDENDA Z21.18a - 1994
PREFACE The standards set forth herein apply to the eighth edition of the Standard for Gas Appliance Pressure Regulators, ANSI Z2118-1993, and supersede corresponding standards therein. Following...
March 20, 1987
GAS APPLIANCE PRESSURE REGULATORS SEVENTH EDITION; ADDENDA Z21.18A - 1989, ADDENDA Z21.18B - 1992
PREFACE This publication represents a basic standard for safe operation, substantial and durable construction, and acceptable performance for gas appliance pressure regulators. It is the result of...
January 1, 1981
GAS APPLIANCE PRESSURE REGULATORS SIXTH EDITION; ADDENDA Z21.18A - 1982, ADDENDA Z21.18B - 1984
PREFACE The standards set forth herein apply to the sixth edition of the Standard for Gas Appliance Pressure Regulators, ANSI Z21.18-1981 and Addenda thereto, Z21.18a-1982, and supersede...

References

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