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Model 981.18, 981.19, 981.20, 981.21 In Line Diaphragm Seal with Sterile Connection
Brand: WIKA Instruments Ltd.Diaphragm seals are used to protect the pressure measuring instrument from aggressive, adhesive, crystallising, corrosive, highly viscous, environmentally hazardous or toxic media.
A diaphragm made of the appropriate material provides for the separation from the medium to be measured. Thus even the most difficult measuring requirements can be met by combining measuring instruments with diaphragm seals.
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 SIP and CIP.
- 3-A compliant.
Specifications
System Fillport
- M6 System fillport
Instrument Connection
- 1/4" NPT Female
- 1/2" NPT-female
- Capillary connection
Gasket (to Process)
- PTFE
- NBR
Material, Wetted Parts
- 316L (1.4435)
Probe I/D
- 3.189" (81.0 mm)_ Standard for DN80
- 2.598" (66.0 mm) Standard for DN65
- 1.969" (50.0 mm) Standard for DN50
- 1.496" (38.0 mm) Standard for DN40
- 1.024" (26.0 mm) Standard for DN25
Process Connection
- DN80
- DN65
- DN50
- DN40
- DN25
Process Connection Style
- Threaded connection (Thread DIN 405) from C
- Union Nut (Thread DIN 405) from D-F
INLINE™ Seal Design
- INLINE™ sanitary diaphragm seal DIN 11851
