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)
- 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
- 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 endss ...
DA 4.00, 4.10 DN 15 - 100
DA 4.30 DN 15 - 50
- Alstom
- BASF
- Shell
- UCB Pharma
- SABIC
- ThyssenKrupp Steel
- Esso
- Stadtwerke