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Model 990.15 Flanged Process Connection Diaphragm Seal

Brand: WIKA Alexander Wiegand SE & Co. KG
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Together with a block flange or a saddle flange, the model 990.15 diaphragm seal forms a perfectly matched system. By means of the process connection via block flanges or saddle flanges, compact assemblies can be optimally realised at the measuring point.
Features
  • Design with sealing face and integral diaphragm to be sandwiched between flanges.
  • Process connection for direct thread joint with block or saddle flange.
  • Together with the block or saddle flange the diaphragm seal forms a well-matched system.
  • Wide variety of special materials.
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Together with a block flange or a saddle flange, the model 990.15 diaphragm seal forms a perfectly matched system. By means of the process connection via block flanges or saddle flanges, compact assemblies can be optimally realised at the measuring point.
Features
  • Design with sealing face and integral diaphragm to be sandwiched between flanges.
  • Process connection for direct thread joint with block or saddle flange.
  • Together with the block or saddle flange the diaphragm seal forms a well-matched system.
  • Wide variety of special materials.
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Specifications

Brand

Pressure Ranges

  • 0 to 8.7 psi
  • 0 to 3,600 psi

Cleanliness of Wetted Parts

  • Oil and grease free per ASTM G93-03 Level C and ISO 15001 (< 66 mg/m²)
  • Oil and grease free per ASTM G93-03 level D and ISO 15001 (< 220 mg/m²

Connection to Measuring Instrument

  • Axial Adapter G 1/2

Sealing

  • Metal (1.4571 Silver-Plated or lnconel Silver-Plated) to 400° C [932° F]
  • PTFE to 260° C [500° F]

Type of Mounting

  • Direct Mounting
  • Cooling Element
  • Capillary

Assemble Parts for Process Connection

  • Sealing
  • Pressure Ring
  • Hexagon Screws
  • Retainer flange

Design Per NACE

  • MR-0103
  • MR-0175

Vacuum Service (See IN 00.25)

  • Advanced Service
  • Premium Service
  • Basic Service

Instrument Mounting Bracket (Only for Capillary Option)

  • Form H per DIN 16281, 100 mm, Stainless Steel
  • Form H per DIN 16281, 100 mm, Aluminium, Black
  • Bracket for pipe Mounting, for pipe Ø 20 ... 80 mm
  • steel (See data sheet AC 09.07)
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Applications

  • Specifically for connection with block or saddle flange
  • Aggressive, contaminated, highly viscous or hot media
  • Process industry
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