JIS F7333 Marine Fire Hydrant Valve
Marine fire hydrant valve is a permanent facility connecting the fire hydrant pipeline in the fire water system, which is used to provide water to the internal water pipe network of the building or the nozzle of the fire hydrant joint, and play a certain fire extinguishing effect.
Overview
Main Features
Design Standard:JIS F7333
Test standard:JIS 7400-1996
Hydrostatic test pressure:
5K: body - 1.03Mpa, seat - 0.76 mpa,
10K: body - 2.06 mpa, seat - 1.47 mpa.
Flange size according to JIS B2220 -5K or 10K
*With Nakashima bronze/brass fittings
Outline Drawing
1-Body; 2-Seat; 3-Disc; 4-Stem
Main Specifications
JIS F7333A 5K/10K | ||||
Size | L | d | C | n-φh |
5K DN50 | 165 | 130 | 105 | 4-φ15 |
5K DN65 | 190 | 155 | 130 | 4-φ15 |
10K DN50 | 170 | 155 | 120 | 4-φ19 |
10K DN65 | 200 | 175 | 140 | 4-φ19 |