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Backwater valve Staufix

DN 90, Floor slab, black, Type 1

PDF product data sheet

The backwater valve for wastewater without sewage is equipped with one mechanical flap which closes automatically in the event of backwater and also serves as an emergency closure to be closed by hand. Thanks to the modular KESSEL system, existing systems can easily be supplemented by a second flap or be converted to the StaufixControl backwater valve.

  • Simple conversion to Staufix Type 2 or StaufixControl
  • Flexible installation, various covers available for floor slab installation
  • Simple, toolless maintenance and cleaning
Item no. 720090.10S
GTIN 4026092076019
Discount group 1

Backwater valve Staufix DN 90, Floor slab, black, Type 1
The backwater valve for wastewater without sewage is equipped with one mechanical flap which closes automatically in the event of backwater and also serves as an emergency closure to be closed by hand. Thanks to the modular KESSEL system, existing systems can easily be supplemented by a second flap or be converted to the StaufixControl backwater valve. Version: Type of waterproofing layer: Waterproofing layer Emergency closure: yes Delivery state: Installation-ready (connection parts must be connected on site) Installation situation: floor slab installation Type of wastewater: wastewater without sewage Backwater protection: Type 1 Number of mechanical backwater flaps: 1 General characteristics: Nominal size (DN): 90 Outer diameter (OD): 90 Colour: black Standard: EN 13564 Dimensions: Length: 444 mm Width: 444 mm Cutout dimension, length: 750 mm Cutout dimension, width: 750 mm Tank: Installation depth: 287 - 410 mm Groundwater resistant from lower edge of base section: 3.000 mm Vertical adjustment: vertically adjustable upper section Coverage features: Type of cover: Cover plate Cover material: Polymer Colour of cover: black Load class: L 15 (EN 1253-1) Length: 366 mm Width: 366 mm Tightness: surface water resistant Locking: Lock & Lift Vertical drop between inlet and outlet: 8 mm
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Extension section deeper installation, with flange 830070
Extension section deeper installation, Flange/mating flange 830073
Extension section Floor slab, for waterproof concrete 830075
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KESSEL Battery 3 V for control unit 680665
Staufix cover seal 686112
Staufix sealing gasket cover plate 686114
Staufix lip seal 686115
Staufix test funnel with seal 70214
Polymer backwater flap Ø 100/110 70231
Flap housing with gasket Ø 100/110 70241
Lockable cover, DN90-100, emergency clos 72229
Cover, watertight, tile-over 830052
Spigot DN 90 83090
Socket DN 90 83091
  • Backwater protection (ATTR-151): Type 1
  • Installation situation (ATTR-1): floor slab installation
  • Country of origin (ATTR-322): DE
  • Nominal size (DN) (ATTR-118): 90
  • Outer diameter (OD) (ATTR-147): 90
  • Installation depth (ATTR-B2_VB): 287  MMT
  • Vertical adjustment (ATTR-177): vertically adjustable upper section
  • Delivery state (ATTR-189): Installation-ready (connection parts must be connected on site)
  • Length (ATTR-A6A): 444  MMT
  • Width (ATTR-A6B): 444  MMT
  • Cutout dimension, length (ATTR-160): 750  MMT
  • Cutout dimension, width (ATTR-161): 750  MMT
  • Volume (ATTR-320): 0.1  MTQ
  • Packaging dimension: length (ATTR-325): 586  MMT
  • Packaging dimension: width (ATTR-326): 486  MMT
  • Packaging dimension: height (ATTR-327): 496  MMT
  • Dimensions (ATTR-323): 586X486X496MM
  • Number of packages (ATTR-321): 0
  • Type of cover (ATTR-A21): Cover plate
  • Colour of cover (ATTR-A2A): black
  • Load class (ATTR-A2B): L 15 (EN 1253-1)
  • Tightness (ATTR-A2C): surface water resistant
  • Locking (ATTR-A2D): Lock & Lift
  • Cover material (ATTR-A2E): Polymer
  • Length (ATTR-A2M): 366  MMT
  • Width (ATTR-A2N): 366  MMT
  • Type of waterproofing layer (ATTR-170): Waterproofing layer
  • Emergency closure (ATTR-153): yes
  • Net weight (ATTR-A3A): 6.4  KGM
  • Gross weight (ATTR-A3B): 9  KGM
  • Groundwater resistant from lower edge of base section (ATTR-B12): 3  MMT
  • Standard (ATTR-9): EN 13564
  • CE marking (ATTR-A5B): yes
  • Number of mechanical backwater flaps (ATTR-154): 1
  • External monitoring (ATTR-A8): LGA
  • Declaration of Performance (DOP) (ATTR-292): 009-008
  • Protection strategy (ATTR-311): Central protection
  • Type of wastewater (ATTR-6): wastewater without sewage
  • Position relative to sewer (ATTR-309): Gradient to the sewer
  • Function in the event of backwater (ATTR-312): Protects in the event of backwater
  • Colour (ATTR-102): black
  • Note on type of wastewater (ATTR-187): Country-specific regulations related to the area of application can deviate
  • Vertical drop between inlet and outlet (ATTR-176): 8  MMT
  • Brand (M-ATTR-001): KESSEL
  • Product group (M-ATTR-002): Backwater valves
  • Product type (M-ATTR-003): Backwater valve
  • Product family (M-ATTR-004): Staufix
  • Product name (M-ATTR-005): Staufix