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VALVES / ACCESSORIES:
V5 Valve Accessories
C Accelerator and D Antiflood Device
Description
Globe's Model C Accelerator is a precision made mechanical device used to reduce the time lag normally associated with the opening of a Water Control Valve after one or more system sprinklers have operated.
TECHNICAL DATA SHEET
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MODEL C MECHANICAL ACCELERATOR AND MODEL D ANTI-FLOOD DEVICE
GFV555-JD20181109 (.pdf)
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FREQUENTLY ASKED QUESTIONS
specifications
Model C – Mechanical Accelerator: Where there is a design need to reduce the time-lag associated with the duration of operation of a dry pipe valve, a mechanical accelerator shall be installed and shall be specifically listed for such use. Upon rapid air pressure loss in a dry system due to the operation of automatic sprinklers the accelerator senses this loss and immediately sends pressurized air in to the intermediate chamber of the dry pipe valve causing immediate activation of the system. Mechanical accelerators shall be of bronze body construction intended for use in vertical orientations. Mechanical accelerator shall be rated for use at the maximum service pressure of 300 psi, and shall be UL listed and FM approved. Mechanical Accelerator shall be Model C; as manufactured by Globe Fire Sprinkler Corporation.
Model D – Anti-Flooding Device: In systems where there is a design need for a mechanical accelerator to be installed an anti-flooding device shall also be installed and shall be specifically listed for such use. An anti-flooding device shall be used to prevent the Model C Mechanical Accelerator from becoming clogged; thus, hindering its operation by the prevention of water-borne foreign objects from entering the accelerator. Anti-Flooding device shall be of bronze body construction utilizing a stainless-steel ball and installed in the horizontal orientation. Anti-Flooding device shall be rated for use at the maximum service pressure of 300 psi, and shall be UL listed and FM approved. Anti-Flooding Device shall be Model D; as manufactured by Globe Fire Sprinkler Corporation.
WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.