UL 1821 PDF

UL 1821 PDF

Name:
UL 1821 PDF

Published Date:
04/23/2003

Status:
Active

Description:

Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service

Publisher:
Underwriters Laboratories

Document status:
Active

Format:
Electronic (PDF)

Delivery time:
10 minutes

Delivery time (for Russian version):
200 business days

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1 Scope

1.1 These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service.

1.2 Thermoplastic pipe and fittings covered by these requirements are intended for use in sprinkler systems in any of the following types of occupancies:

1. Light hazard occupancies as defined in the Standard for Installation of Sprinkler Systems, NFPA 13;
2. Residential occupancies as defined in the Standard for Installation of Sprinkler Systems in One and Two Family Dwellings and Manufactured Homes, NFPA 13D; and
3. Residential occupancies as defined in the Standard for Installation of Sprinkler Systems in Residential Occupancies Up to and Including Four Stories in Height, NFPA 13R.

1.3 The pipe and fittings covered by these requirements are intended to be installed in accordance with the Standard for Sprinkler Systems in One and Two Family Dwellings and Manufactured Homes, NFPA 13D; the Standard for Sprinkler Systems in Residential Occupancies Up to and Including Four Stories in Height, NFPA 13R; or the Standard for Installation of Sprinkler Systems, NFPA 13.

1.4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire or of electric shock or injury to persons shall be evaluated using appropriate additional component and end-product requirements to maintain the level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard does not comply with this standard. Revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.
Edition : 2nd
Number of Pages : 46
Published : 04/23/2003

History

UL 1821
Published Date: 07/30/2019
Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
$189.3
UL 1821
Published Date: 04/23/2003
Standard for Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
UL 1821
Published Date: 01/01/1994
Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service

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