The clapper is reset using a convenient push rod located on the bottom of the valve body. The Viking Model D-2 Accelerator is a quick-opening device, with an integral anti-flood assembly, used to increase the operating speed of a differential type dry pipe valve. Restore the system air pressure and reopen the. You're Reading a Free Preview. Share on LinkedIn, opens a new window. After ten minutes (the air pressure should have. The Viking Model D-2 Accelerator can be used to speed the operation of the valve on large capacity systems or where faster action is required. Reliable dry pipe valve model d. Viking Model D-1 Chrome Fire Sprinkler Head Guard is made from bright basic steel and designed for ease of installation with two bracket halves that spread around the sprinkler head. Sealing surfaces in the dry pipe valve require main-. Certification scheme: Scheme 1a (ISO/IEC 17067:2013).
3, 4, 5 or 6 – Valve B. Close the air and water supply valves to the deluge. The Reliable range of fire sprinkler control valves has proven on site performance and their ease of installation ensures they remain a popular choice with fire sprinkler installers. Excessive prime level or back drainage, the Accelerator's. This valve and replace the. For datasheets and CAD drawings please Click on products below. Model D-3 Drip Check is used with a Model D, E, or F Dry Valve that has an automatic drain for the alarm line. Accelerator test without operating the dry pipe valve. Search inside document. Leakage may indicate the. Reliable model d dry valves. Model VXR Dry Valve Loose Trim The Viking Model VXR Dry Pipe Valve is an externally resettable, latching, differential valve used to separate the water supply from the dry pipe sprinkler system. 0% found this document not useful, Mark this document as not useful.
Lower section of the Accelerator, Item #3, Fig 1. MALE x MALE Standard equipment: Cast brass straight connection male NPT both. Above the drain cup. A. valve located on the Accelerator's outlet port should. Partially open valve B, Figs. Dance with its technical bulletin. Report this Document. Only be present if the Accelerator is connected to. To drain low point of system between swing check valve and Fire Dept. The following Accelerator tests should be performed. Reliable model d dry valve software. Model D-2 Drip Check is normally used with Viking Model C Dry Valves with iron trim. When the air/nitrogen pressure in the dry pipe system is lowered sufficiently to overcome the pressure differential, the valve opens allowing water to enter the dry pipe system.
Remove the body drain plug from the lower section. Item Number: 24064-2. Ent in the top chamber, disassemble the Accelerator, and clean and dry the top and middle chambers and. Vent accidental operation of the system while reset-. Therefore, it is imperative that after sys-. Inlet system connection must be relocated to the riser at.
Carefully reinstall these parts. Ter level must not exceed the dry pipe valve's prime level. Everything you want to read. 1, from the side of the Accelerator. Reset the Accelerator following the instructions. Drain plug using new thread sealant.
Main water supply control valve. Tor's inlet and outlet lines are in the open position. Decayed 10 psi) the Accelerator should not have. Verify that Accelerator's top chamber pressure and. The valve is also designed to operate a water motor alarm and/or an electric pressure alarm switch.
1, to verify venting of the middle. Remove the top chamber drain plug, Item #3, Fig. 0% found this document useful (0 votes). Reliable Fire Sprinkler Control Valves.