WIKA 990.18 按DIN11 851 標準的螺紋

衛生型隔膜壓力表 3A FDA

Sterile Process Connection, Diaphragm Seals

for Food, Biochemical

and Pharmaceutical Industry

Threaded Coupling Model 990.18 ... 990.21

Diaphragm Seal, Model 990.18 with Union Nut and
Pressure Gauge Model 232.50 NS 100

Diaphragm Seal with Union Nut according to standards SMS,
IDF and APV-RJT

Applications
Food and beverage industry
For dairies, dairy-products, breweries

Special Features
For cleaning easy to open
Quick measuring point cleaning without residues
Suitable for SIP and CIP
3A certified and FDA conformity
Flush welded diaphragm

Description
Process connection
Thread with union nut
Model 990.18: threaded coupling DIN 11 851
Model 990.19: threaded coupling SMS standard
Model 990.20: threaded coupling IDF standard
Model 990.21: threaded coupling APV-RJT standard
Nominal sizes (DN) see dimensions overleaf

Pressure rating
see PN in dimensional tables from page 3

Suitable pressure ranges
0 ... 1 bar to 0 ... 25 resp. 40 bar

Material of wetted parts
Stainless steel 1.4435 (316L)

Instrument connection
Gauges directly welded, transmitter with adaptor screwed

Fill fluid
KN 7 Glycerine, food compatible, FDA approved, according to standard US Pharmacopoeia XXIV and Europeanm Pharmacopoeia (1998)

Optional extras
Process connection
Male thread
Other nominal sizes (DN) and connections as per Südmo, BBS and further hygienic

process connectionson inquiry

Pressure rating
Higher pressure ratings on inquiry

Material of wetted parts
Stainless steel 1.4435 electropolished
Special materials on inquiry

Pressure instrument assembly
Assembly via cooling tower
Assembly via capillary, when ordering please specify: length of capillary

Fill fluid
KN 62 Liquid Paraffin (medical white oil), pharmacompatible, FDA approved,
KN 12 Glycerine/water, FDA approved

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