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Straight type water hammer arrester

Straight type water hammer arrester

Category
  • Certificate: CE
  • Standard: Refer to NFPA 20, ASSE 1010, PDI-WH 201
  • Connection: Threaded as NPT or BSPT, flanged as ANSI or EN 1092
  • Feature: Adjustable air bag pressure, horizontal or vertical installation
  • Temperature: -15°C to 60°C (NBR diaphragm), -15°C to 80°C (Viton diaphragm)
  • W. pressure: 12 bar for bronze / CI, 20 bar for DI / SS, 16 bar for CS / 25 bar for SS (source 2)
  • Surface: Rough SS / CI / DI / CS / Bronze

Product Details

Straight type water hammer arrester is straight shape, and used to absorb the shock caused by sudden stop in the speed of water or change in direction. It protects against noise and potential damage of water hammer in the piping system.

Available size (Source 1 with ISO)

Size Connection Working pressure (bar) Ref.No.
1/2″ / DN15 THD 12 / 20 U5201
3/4″ / DN20 THD 12 / 20 U5202
1″ / DN25 THD 12 / 20 U5203
1-1/2″ / DN40 THD 12 / 20 U5204
2″ / DN50 THD 12 / 20 U5205
2-1/2″ / DN65 THD 12 / 20 U5206
3″ / DN80 THD 12 / 20 U5207
4″ / DN100 THD 12 / 20 U5208
3″ / DN80 FLG 12 / 20 U5209
4″ / DN100 FLG 12 / 20 U5210
5″ / DN125 FLG 12 / 20 U5211
6″ / DN150 FLG 12 / 20 U5212
8″ / DN200 FLG 12 / 20 U5213
10″ / DN250 FLG 12 / 20 U5214
12″ / DN300 FLG 12 / 20 U5215

Note: For flanged connection, it is available with ANSI B16.1 Class 125 / 250, B16.42 Class 150 / 300, EN 1092-2 PN10 / PN16 / PN25, etc.

 

Available size (Source 2 with ISO)

Size Connection Working pressure (bar) Ref.No.
1-1/2″ / DN40 FLG 16 / 25 U5221
2″ / DN50 FLG 16 / 25 U5222
2-1/2″ / DN65 FLG 16 / 25 U5223
3″ / DN80 FLG 16 / 25 U5223
4″ / DN100 FLG 16 / 25 U5225
5″ / DN125 FLG 16 / 25 U5226
6″ / DN150 FLG 16 / 25 U5227
8″ / DN200 FLG 16 / 25 U5228
10″ / DN250 FLG 16 / 25 U5229
12″ / DN300 FLG 16 / 25 U5230

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