Yamato Protec Corporation
Yamato Protec YDVK-125II Simultaneous Opening Valve
Manufacturer: Yamato Protec Corporation
Model: YDVK-125II
Application
It serves as a localized opening valve for fixed foam fire extinguishing systems, water spray fire extinguishing systems, or open-type sprinkler systems installed on stages, etc.
| Nominal diameter | 125A-10K |
| Product name | YDVK-125Ⅱ |
| Mounting direction | Can be used vertically or horizontally |
| Model number | Kai No. 2025-1 |
| Flow rate range (maximum) | 3300 L/min |
| Pressure loss equivalent pipe length | 91.1m |
| mass | 66.6 kg |
| coating | Exterior: Lacquer (red) |
| Operating pressure range | 0.15–1.4 MPa |
Overview
The YDVK type simultaneous opening valve (pressurized) primarily serves sprinkler fire extinguishing systems, etc. It has passed the tests stipulated in the Ministerial Ordinance for Establishing Technical Standards for Simultaneous Opening Valves (Ministry of Home Affairs Ordinance No. 19 of 1975), based on the provisions of Article 21-4, Paragraph 2 of the Fire Service Act. The valve body employs a double valve system divided into a main valve and a sub-valve; this system opens and closes the valve in two stages, making it less susceptible to water hammer.
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