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UL 1821

UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service

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Organization: UL
Publication Date: 30 July 2019
Status: active
Page Count: 41
scope:

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

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

a) Light hazard occupancies as defined in the Standard for Installation of Sprinkler Systems, NFPA 13;

b) Residential occupancies as defined in the Standard for Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, NFPA 13D; and

c) Residential occupancies as defined in the Standard for Installation of Sprinkler Systems in Low-Rise Residential Occupancies, NFPA 13R.

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 Low-Rise Residential Occupancies, NFPA 13R; or the Standard for Installation of Sprinkler Systems, NFPA 13.

The requirements covered by this standard do not address compatibility of plastic pipe and fittings with materials or products that they may be in contact with in storage, handling, or use.

Document History

UL 1821
July 30, 2019
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service. Thermoplastic pipe and fittings covered by these requirements are intended...
August 25, 2015
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service.  Thermoplastic pipe and fittings covered by these requirements are...
August 25, 2015
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service. Thermoplastic pipe and fittings covered by these requirements are intended...
April 23, 2003
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
A description is not available for this item.
April 23, 2003
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
A description is not available for this item.
April 23, 2003
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
These requirements cover thermoplastic pipe and fittings for use in wet pipe sprinkler systems for fire protection service. Thermoplastic pipe and fittings covered by these requirements are intended...
April 23, 2003
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
A description is not available for this item.
December 29, 1994
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
A description is not available for this item.
January 1, 1994
UL Standard for Safety Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service
A description is not available for this item.

References

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