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
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
OI_diaphragm_seals_en_de_fr_es_6259.pdf 1539 KB
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