Sight Glasses Mankenberg - Sight glass & flow Indicator - DA 4.00 - 4.40
Sight Glasses Mankenberg - Sight glass & flow Indicator - DA 4.00 - 4.40

Mankenberg - Sight glass & flow Indicator - DA 4.00 - 4.40

Sight glasses / flow indicators with two glasses

The sight glasses / flow indicators DA 4.00 - 4.30 with two borosilicate glasses. A good view of the fluid is provided by the two opposite glasses.

DA 4.00 without indicator device, for basically visual control.

Installation position:

» any position

DA 4.10 with internal indicator flag, for constant flow direction.

Nominal diameters G 3/8 - G 1 and DN 15 - 25 are without resetting spring as standard, subsequent installation is possible. All others are with resetting spring.

Installation position:

» with resetting spring any position

» without resetting spring horizontal with flag downwards, vertical only with flow from below upwards

DA 4.30 with impeller, for constant flow direction:

Installation position:

» horizontal or vertical, for small flow rates (v < 1 m/s)

 

Product features

Sight glasses and flow indicators indicate media and flow conditions in pipeline systems and plant.

Standard

  • With flag, vane, impeller or without indicator device
  • Two borosilicate glasses
  • Body made of forged steel
  • Inner parts made of stainless steel
  • Impeller made of PBTP, ball made of PA

Options

  • Impeller made of PTFE
  • Body made of stainless steel or special material such as Duplex, Superduplex, Hastelloy® or titanium
  • Elastomer materials suitable for your medium
  • ANSI or JIS flanges, NPT, welding ends

Technical data

DN

DA 4.00, 4.10 DN 15 - 100
DA 4.30 DN 15 - 50

G
DA 4.00 - DA 4.30 G 3/8 - 2
PN
16 - 40
T
280 °C

liquids, gases and steam up to 280 °C | 2 borosilicate glasses | with flag, vane, impeller or without indicator device | body made of forged steel, optional stainless steel or special material such as Duplex, Superduplex, Hastelloy® or titanium

Mankenberg - Sight glass & flow Indicator - DA 4.00 - 4.40