DAK-21 Sight Glass with Flap

Brand: KOBOLD Instruments, Inc.

Material / Mounting Position
  • Flap: Stainless Steel
  • Enclosure Material: Grey Cast Iron
  • Cover Plates: Grey Cast Iron
  • Sight Glass: Soda-Lime Glass DIN 8902 (Up to 150° C [302° F]) Option: Borosilicate Glass DIN 7080 (Up to 280° C [536° F])
  • Screws: Zinc Plated Steel
  • Seals: Graphite
  • Mounting Position: Horizontal or Vertical with Flow from Bottom to Top
Features
  • Connection: Flange DN 15 to DN 200 
  • Enclosure Material: Grey Cast Iron
  • Max. Pressure: psi: 580.2 (bar: 40, kPa: 4,000)
  • Max. Temperature: 280° C (536° F)

Specifications

Cover Material

  • Grey Cast Iron 0.6025

Enclosure, Body Material

  • Grey Cast Iron 0.6025

Flange Size - 1" (DN 25)

  • 1" (DN 25) - PN 16

Flange Size - 1/2" (DN 15)

  • 1/2" (DN 15) - PN 16

Flange Size - 1-1/2" (DN 40)

  • 1-1/2" (DN 40) - PN 16

Flange Size - 1-1/4" (DN 32)

  • 1-1/4" (DN 32) - PN 16

Flange Size - 2" (DN 50)

  • 2" (DN 50) - PN 16

Flange Size - 2-1/2" (DN 65)

  • 2-1/2" (DN 65) - PN 16

Flange Size - 3" (DN 80)

  • 3" (DN 80) - PN 16

Flange Size - 3/4" (DN 20)

  • 3/4" (DN 20) - PN 16

Flange Size - 4" (DN 100)

  • 4" (DN 100) - PN 16

Flange Size - 5" (DN 125)

  • 5" (DN 125) - PN 16

Flange Size - 6" (DN 150)

  • 6" (DN 150) - PN 16

Flange Size - 8" (DN 200)

  • 8" (DN 200) - PN 16

Flap Material

  • 316Ti Stainless Steel

Glass Thickness

  • 10 to 25 mm

Maximum System Pressure

  • psi: 580.2 (bar: 40, kPa: 4,000)

Mounting Position

  • Horizontal with Flow from Bottom to Top
  • Verical with Flow from Bottom to Top

Screw Material

  • Zinc-Plated Steel

Seat / Seal Material

  • Graphite

Sight Glass Material

  • Borosilicate Glass DIN 7080 (up to 280° C [536° F])
  • Soda-Lime Glass DIN 8902 (up to 150° C [302° F])

Temperature Range

  • 0° to 280° C (32° to 536° F)

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