Fire Valve Straight Bronze AccorDINg To JIS F7334 R With “NAKADJIMA” Connection, 10K
TECHNICAL DESCRIPTION
Straight bronze fire valve with flange connection, according to JIS F7334R 10K and fire hose coupling “NAKADJIMA”. Possible variations of the function depending on the design.
• Fire stop valve
Valve seat seal – metal in rubber
Spindle type – pull-out
APPLICATION / WORKING FLUID
• Fire systems
• Seawater
Dimensions: DN 15 – 65
Our Bronze Fire Valve is engineered to the stringent JIS F7334 R standard, ensuring superior performance and reliability in fire protection systems. This straight-type valve is rated for 10K pressure applications and features the specialized Nakadima connection, designed for secure and efficient integration into marine and industrial piping networks. Crafted from high-grade bronze, it offers excellent corrosion resistance and durability in harsh environments.Key features include:Compliance with JIS F7334 R standards for safety and interoperability10K pressure rating suitable for demanding operational conditionsNakadima connection type for easy and reliable installationConstructed from durable bronze for long service life and resistance to corrosionStraight design facilitating straightforward flow control in emergency scenariosIdeal for use in shipbuilding, offshore platforms, and industrial facilities, this valve is a critical component in fire suppression systems. Its robust construction and adherence to international standards make it a trusted choice for engineers and procurement specialists seeking dependable safety solutions.

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| Body / cover | bronze CC491K (RG5) | |
| Seat/valve | bronze CC491K (RG5) | |
| Spindle | bronze CC491K (RG5) | |
| Handwheel | gray cast iron (GG25) | |
| Spindle seal | graphite gasket | |
| Cap | bronze CC491K (RG5) |
Features
| SPECIFICATION | |
|---|---|
| Standard: | JIS 7334R |
| Execution: | straight |
| Joining: | flanged |
| Drive: | manually |
| T max on the saddle: | seat rubber NBR - 80 °C / seat rubber EPDM - 110 °C |
| DN | A | L | H (open) | M |
|---|---|---|---|---|
| 15 | 95 | 115 | 130 | 80 |
| 25 | 125 | 135 | 160 | 125 |
| 40 | 140 | 175 | 190 | 140 |
| 50 | 155 | 220 | 255/270 | 160 |
| 65 | 175 | 275 | 295 | 200 |











