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Reduced pressure zone assembly (Backflow preventer RP type)

Reduced pressure zone assembly (Backflow preventer RP type)

Category
  • Certificate: UL Listed / FM Approved
  • Standard: AWWA C511, UL 1469, Lead free as NSF/ANSI/CAN 61
  • Connection: Grooved, flanged ANSI B16.1 Class 125, etc.
  • Feature: Double check, horizontal installation
  • Temperature: 1°C to 60°C
  • W. pressure: 175 psi
  • Surface: FBE coating as AWWA C550

Product Details

Reduced pressure zone assembly (Backflow preventer RP type) is an assembly of two check modules equipped with an relief valve. With fail-safe design, it is used in high hazard condition to fully prevent backflow and protect the potable water.

Available size (Source 1 with UL/FM)

Size Configuration Connection Working pressure (psi) Ref. No.
2 1/2″ / DN65 DC + IGB GxG 175 V7201 (UL/FM)
3″ / DN80 DC + IGB GxG 175 V7202 (UL/FM)
4″ / DN100 DC + IGB GxG 175 V7203 (UL/FM)
6″ / DN150 DC + IGB GxG 175 V7204 (UL/FM)
8″ / DN200 DC + IGB GxG 175 V7205 (UL/FM)
2 1/2″ / DN65 DC + OSY FxF 175 V7206 (UL/FM)
3″ / DN80 DC + OSY FxF 175 V7207 (UL/FM)
4″ / DN100 DC + OSY FxF 175 V7208 (UL/FM)
6″ / DN150 DC + OSY FxF 175 V7209 (UL/FM)
8″ / DN200 DC + OSY FxF 175 V7210 (UL/FM)
10″ / DN250 DC + OSY FxF 175 V7211 (UL/FM)

Note:
1. DC + IBG means double check modules and two integral grooved butterfly valves. And it is also available with flanged connection through an extra flange adapter, to match ANSI B16.1 Class 125.
2. DC + OSY means double check modules and two OSY gate valves with flanged connection as ANSI B16.1 Class 125.

 

Available size (Source 2 with UL)

Size Configuration Connection Working pressure (psi) Ref. No.
3″ / DN80 DC + OSY FxF, GxG, FxG 175 V7221 (UL)
4″ / DN100 DC + OSY FxF, GxG, FxG 175 V7222 (UL)
6″ / DN150 DC + OSY FxF, GxG, FxG 175 V7223 (UL)
8″ / DN200 DC + OSY FxF, GxG, FxG 175 V7224 (UL)

Note:
1. DC + OSY means double check modules and two OSY gate valves with multiple ends types by FxF, GxG, FxG.
2. The material of check module assembly is ductile iron, not SS304.

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