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New Valve Standard

Issue 8 and Volume 132.

New Valve Standard Underwriters Laboratories Inc. (UL) has published the Sixth Edition of the Standard for Safety for Alarm Valves for Fire-Protection Service, UL-193 The standard describes the assembly and performance requirements of allrm valves for use in automatic wet-pipe sprinkler systems for fire protection service. Copies are available from UL for $3 each or $8 for the Sixth Edition and any future revisions that may be issued.to Order with prepayment should be sent to: Underwriters Laboratories Inc., Attn: Publications Stock Dept., 333 Pfingsten Road, Northbrook, Ill 60062.

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