WIKA In-line diaphragm seal Model 981.27

Application

* For direct, permanent installation in pipelines

* For flowing, pure and aggressive media

* Chemical process industry

* Petrochemical industry

Special Features

 *Completely round, no corners and edges

* For direct installation between two flanges

* Wide choice of special materials

* Heatable version available

Description

Process connection
      Sealing face, Form B1 or ASME RF 125 ... 250 AA For flanges following ASME B 16.5, 1", 2", 3", 4"
      Nominal size: see drawing and tables on datasheet

Pressure rating: Class 150/300

Pressure ranges: Preferably mounted to pressure gauges NS 63, 100, 160 or pressure transmitters, Pressure ranges 0 ... 15 to 0 ... 600 psi

Housing and material of wetted parts: Stainless steel (AISI 316L)

Measuring instrument connection: Pressure gauge or transmitter directly welded, process pressure transmitter with threaded adapter

Options

Process connection

      Larger nominal sizes

      Other flange connections on request

      Sealing faces per EN 1092-1, form B2 or per ASME B 16.5, RF 125 AA, 500 AA, RFSF; EN 1092-1 groove and tongue; projection and recess; ASME B 16.5 snap ring groove form RJF (limited for special materials, please request)

      Flame arrester approved for zone 0

Material of wetted parts: Stainless steel 316TI, 316, 321, Monel, Hastelloy B3, C22, C276, tantalum

Measuring instrument connection:

      Capillary, when ordering please specify: length of capillary

      Cooling tower (for directly mounted gauge when fluid temperature > +284°F)

Capillary:

      Custom lengths between 3 and 25 ft.

      Soft polyethylene or PTFE armour