Split puddle flange of ductile iron

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● Standards: ISO2531, EN545, EN598, AWWA C219, ASTM 2000, ASTM A536, ANSI/AWWA C111/A21.11

● Materials: Ductile iron

● Nominal sizes: DN80—2600mm

● Pressure: PN10/16/25/40

● Corrosion protection: Cement mortar lining and zinc and bitumen coating. Inside and outside FBE 300um. Other corrosion protections as customers’ requirement.

● Package: Wooden case with plastic film, wooden pallets with plastic film, steel crates.



Dimensions:

DN

D

L

d

80

260

110

100

100

305

110

120

150

390

130

172

200

430

130

224

250

490

130

276

300

555

130

329

350

610

130

381

400

660

150

432

450

725

150

483

500

790

150

535

600

900

165

638

700

1000

165

746

800

1100

185

850

900

1200

185

953

1000

1340

200

1056

1100

1440

200

1160

1200

1570

225

1263

1400

1780

225

1470

1600

1996

225

1686


Split puddle flanges are designed for use on the bodies, if pipes are produced by the centrifugal casting method, i.e., spigot and socket spun pipes or flanged spun pipes. They are not suitable for use on the bodies of sand cast items.

Split puddle flanges are used to provide a water bar where a pipe passes though a wall. They should not be used to provide an anchorage for the pipe.

The flange is fitted to the pipe using sheeting of lead, asbestos fibre, rubber, roofing felt or similar material to provide a packing between the flange and the pipe body.

After the flange is bolted around the pipe, the circular chamber formed on one side of the flange is caulked with lead and yarn. Lead wool or lead substitute to affect the watertight seal. The caulked side of the flange should be towards the waterlogged side of the structure.


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