Backwater valve Staufix
DN 90, exposed, Type 2


KESSEL Backwater valve Staufix, nominal size (DN) 90, wastewater for wastewater with or without sewage (ÖNORM Austria), cover locking One-handed closure, exposed drainage pipe, type of cover Lockable cover, no
- Optional rat protection flap for additional safety
- Flexible installation, various covers available for floor slab installation
- Alternatively available as a module set
| Item no. | 730090 |
|---|---|
| GTIN | 4026092076293 |
| Price group | 10 |
Backwater valve Staufix DN 90, exposed, Type 2
The backwater valve for wastewater with and without sewage (ÖNORM Austria) is equipped with two mechanical flaps that close automatically in the event of backwater. One flap also serves as a manually lockable emergency closure. Thanks to the modular KESSEL system, existing systems can be easily converted to the StaufixControl backwater valve. Variant Stainless steel flap as rat protection: no Emergency closure: yes Mechanical backwater flaps: 2 General characteristics Colour: black Standard: EN 13564 Nominal size (DN): 90 Outer diameter (OD): 90 mm Type of wastewater: for wastewater with or without sewage (ÖNORM Austria) Installation situation: exposed drainage pipe Delivery state: installation-ready Backwater protection: Type 2 Dimensions Net weight: 1,4 kg Gross weight: 1,82 kg Vertical drop between inlet and outlet: 8 mm Length: 385 mm Width: 167 mm Height: 230 mm Packaging dimension: length: 386 mm Packaging dimension: width: 163 mm Packaging dimension: height: 198 mm Coverage features Type of cover: Lockable cover Cover material: Polymer Colour of cover: black Cover locking: One-handed closure
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![]() | Battery 3 V for control unit | 680665 | Show |
![]() | Seal Cover seal for Staufix DN 90-110 | 686112 | Show |
![]() | Testing funnel with seal | 70214 | Show |
![]() | Backwater flap DN 100 | 70231 | Show |
![]() | Slide-in flap housing DN 100, with seal | 70241 | Show |
![]() | Lockable cover DN 90-100, with emergency closure | 72229 | Show |
![]() | Spigot DN 90 | 83090 | Show |
![]() | Socket DN 90 | 83091 | Show |
| Data Sheet | |
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| Test Reports and Certificates | |
| Declaration of Performance |
- Nominal size (DN) (nennweite): 90
- Cover material (abdeckung_material):
Polymer
- Installation situation (einbausituation):
exposed drainage pipe
- CE marking (ce_kennzeichnung):
yes
- Length (laenge): 385 mm
- Width (breite): 167 mm
- Backwater protection (rueckstauschutz): Type 2
- Stainless steel flap as rat protection (edelstahlklappe_rattenschutz): no











