Sterile Process Connection, Diaphragm In-line Seals

for Food, Biochemical and Pharmaceutical Industry

Threaded Coupling Model 981.18 ... 981.21

Applications

• For direct, fast installation and removal in pipelines
• For flowing, pure media
• Food and beverage industry

Special Features

• Completely round diaphragm (Europ. Pat. No. 0609846) to avoid dead spaces
• Self-draining in all mounting positions
• Quick measuring point cleaning without residues
• Suitable for CIP
• EHEDG tested

Description

Process connection
Male thread, on both sides
Model 981.18: threaded coupling DIN 11 851
Model 981.19: threaded coupling SMS standard
Model 981.20: threaded coupling IDF standard
Model 981.21: threaded coupling APV-RJT standard
Nominal sizes (DN) see dimensions overleaf

Pressure rating
PN 40 bar for DN 20 ... DN 50 resp. DN 1" ... DN 2"
PN 25 bar from DN 65 resp. DN 2½"

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 European Pharmacopoeia (1998)