DIN Bronze Flanged Storm Flap Valve
Engineered with a robust Rg5 bronze body and a reliable metal-seated check mechanism, this DIN standard storm flap valve provides critical protection for shipboard sanitary systems by preventing seawater backflow while offering convenient manual override for dry docking. Featuring a durable brass stem, PTFE packing, and NBR seal for leak-proof operation, it ensures exceptional corrosion resistance and long-term marine reliability at pressures up to PN4, fully compliant with EN1092 PN6 flange standards.
Overview
Application: This DIN Bronze Flanged Storm Flap Valve is specifically designed as a ship's side discharge valve for sanitary piping systems. Acting as a closable check valve, it effectively prevents seawater from entering the piping system and features a manual handwheel for safe closure during dry docking or maintenance operations.
Material Specification:
| NO | Part | Material |
|---|---|---|
| 1 | Body | Bronze |
| 2 | Stem | Brass |
| 3 | Bonnet | Bronze |
| 4 | Sleeve | Bronze |
| 5 | Packing | PTFE |
| 6 | Gland | Brass |
| 7 | Nut | Brass |
| 8 | Handwheel | Cast Iron |
| 9 | Disc | Bronze |
| 10 | Seal | NBR |
Technical Specifications:
Face to Face: DIN 558
Design Standard: DIN
Flange Standard: EN1092 (DIN2501) PN6
Test Standard: EN 12266
Applicable temperature: ≤100℃
Pressure rating: PN4 (DN50~150)
Drawing:
Dimensions (Unit: mm):
| DN | ≈L | ≈H | H1 | D | D1 | n | d0 | D0 |
|---|---|---|---|---|---|---|---|---|
| 50 | 140 | 400 | 210 | 140 | 110 | 4 | 14 | 100 |
| 65 | 142 | 425 | 240 | 160 | 130 | 4 | 14 | 100 |
| 80 | 155 | 440 | 260 | 190 | 150 | 4 | 18 | 100 |
| 100 | 172 | 470 | 280 | 210 | 170 | 4 | 18 | 100 |
| 125 | 195 | 510 | 330 | 240 | 200 | 8 | 18 | 100 |
| 150 | 213 | 545 | 360 | 265 | 225 | 8 | 18 | 140 |
