Sempell Dewrance Reheater Isolating Device

Features

• Minimal parts with full bore seat for optimum performance and low pressure drop

• Simple isolating closure with one jacking stud

• Improved performance

• Low cost isolating device

• Simple method of isolation with full bore, low pressure drop

• Ability to enter pipe system through cover for steam purge (chemical clean)

• Pressure seal bonnet design gives maximum reliability with minimum maintenance

• No replacement parts required (other than pressure seal)

Specifications

• Certifications: ASME B31.1, PED, India Boiler Registration, CE

• End Connection: Butt Weld

• Material: Alloy, Carbon Steel, Metal, Steel

• Pressure Class: ASME

• Shutoff Class: Class V (FCI 70-2)

• Valve Size: 6 inch (DN150) and Larger

• Valve Size Standard: NPS, DN

• Valve Type: Engineered Product, Gate

GENERAL APPLICATION

The reheater isolation devices are a cost effective solution to the problem of isolating

the reheat section of a power boiler during service and inspection. These valves provide the facility for hydrostatic test, inspection access, chemical clean and steam blow procedures, yet provide a low pressure loss when in normal service.

TECHNICAL DATA

• Size range:

  NPS 16 - 36

  (DN 400 - 900)

• ASME: ASME B16.34

• Valve overall lengths to: ASME B16.10

• Pressure class: 500, 900

Data Sheets: Dewrance Reheater isolating device, Sempell-EN