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Model 910.27

Diaphragm Seal Accessories

Flushing Rings

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Applications

  • For diaphragm seals in flange and cell design Model 990.27/28, in order to avoid the formation of deposits or blockages in process connection
  • The flushing ring is to be sandwiched between the process flange and the diaphragm seal

Special Features

  • The material collecting in front of the diaphragm can be flushed out through the lateral flushing boreholes
  • The pressure chamber can be vented by means of these rings
  • Various nominal widths and forms allow adaption to the respective process flange

Description

Process connection
NSP 2", 3", 4", 5"
PN 16 ... 100 or Class 150 ... 600
For flanges per EN 1092-1 and ASME B 16.5
DN 50, 80, 100, 125 or

Material
Stainless steel 316L

Sealing faces
Per EN 1092-1 form B1 or
per ASME B 16.5 RF 125 ... 250 AA

Flushing connection
½" NPT female (without plug screws)

Installation
The flushing ring is clamped between process flange and diaphragm seal using standard sealing elements (seals to be ordered separately).

Materials

  • Stainless steels 316T, 316L, 321
    Hastelloy B2, C276; Monel 400, nickel,
    titanium (other materials possible)
  • With Acceptance Certificate per EN 10 204 - 3.1

Sealing faces

  • Per EN 1092-1 form B2 or
    per ASME B 16.5 RFSF, 500 AA, 125 AA
  • Per EN 1092-1 form C (tongue), form D (groove)
  • Per ASME B 16.5 RJF (Ring joint face)
  • Other forms of sealing faces on request

Flushing connection

  • G ½", G ¼", ¼" NPT female
  • ½" NPT female, G ½ B
  • With plug screws
With flushing bores
  • With flushing boresWith mounted valves
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