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DIN Bronze Flanged Storm Flap Angle Valve

DIN Bronze Flanged Storm Flap Angle Valve

Engineered with a robust Rg5 bronze body, metal-seated disc, and a unique angled design with different inlet/outlet diameters, this DIN standard storm flap valve provides reliable one-way backflow protection and manual over-closure for marine sanitary discharge systems. Fully compliant with DIN HNA Sr 6 Form B and EN1092 PN10 flanged standards, its precision-machined PTFE packing, brass internals, and durable NBR seal guarantee superior corrosion resistance and leak-proof operation, ensuring system safety and crew protection during shipside maintenance and dry docking.


Overview

Application: This DIN Bronze Flanged Storm Flap Valve is specially designed for sanitary piping systems equipped with a ship's side exit. Serving as an angled, closable check valve for various sanitary discharge systems, it effectively prevents seawater from entering the pipeline and features a manual handwheel for safe and reliable closure during dry docking or maintenance operations.

Material Specification:

NOPartMaterial
1BodyBronze
2StemBrass
3BonnetBronze
4SleeveBrass
5PackingPTFE
6GlandBrass
7HandwheelCast Iron
8DiscBronze
9SealNBR

Technical Specifications:

  • Face to Face: DIN HNA Sr 6

  • Design Standard: DIN HNA Sr 6 Form B

  • Flange Standard: EN1092 (DIN2501) PN10

  • Test Standard: EN 12266

  • Applicable temperature: ≤100℃

  • Pressure rating: PN4 (DN50~250)

Drawing:

Drawing of DIN Bronze Flanged Storm Flap Angle Valve.jpg


Dimensions (Unit: mm):

DNL≈HH1D1Hcd1n1d1DD2Hcd2n2d2D0
501803359016512541870200160818140
6520034510018514541885220180818140
80215360108200160818100250210818140
100250370130220180818130285240822140
125290480152250210818158340295822180
1503304901762852408221903953501222180
2004255801803402958222404454001222180
25063073030039535012223005054601622200


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