Expert since 1970
Penstock 4sides tight with rising plate with upgraded tightness
with wedges and compression set for high high pressure
1 – Scope of use :
For round or square, rectangular openings.
Open-close function with intermediate position adjustment, 4-sided tightness, in any position and for water pressure from 2 sides (upstream and downstream).
2 – Technical specifications :
Chamfered U-profile frame with side mounting plates for bolting to concrete wall. Shovel reinforced according to load. Tightness achieved with removable extruded peripheral sealant gaskets, compression wedges.
A self-adhesive foam-rubber gasket seals the frame to the structure (supplied).
The fixing bolts and nuts of the frame are included in our supply.
For large sizes, the penstock plate will be lifted by a double trapezoidal threaded rod.
3 – Dimensions – on requestre :
Up to 2000 x 2000mm or DN 2000.
Larger size, available on demand.
Type of drives :
- Drive mounted inside manhole type AS
- Drive mounted on headstock type AF
- Drive mount don top frame beam type AT
Material
The materials used in the basic version for the various equipment and accessories are as follows:
1 – Frame, plate, fixation brackets, rod extension and headstock
| Steel galvanized | (St-37) | DIN 1.0037 |
| Stainless steel | (304) | DIN 1.4301 |
| Stainless steel | (316TI) | DIN 1.4571 |
| Aluminium | (AlMg3) | DIN 3.3535 |
| Cast iron | (GG25) | DIN GJL250 |
Other material on request.
2 – Bolts and nuts
Stainless steel V4A
Other material on request.
3 – Sealant gaskets
EPDM / APTK – Éthylène – Propylène – Terpolymère – Caoutchouc NBR – Acrylonitrile Butadiène
Rubber CR – Néoprène – Polychloroprène – Caoutchouc.
Other material on request.
4 – Threaded shaft / rod
| Stainless steel | (430F) | DIN 1.4104 |
| Stainless steel | (304) | DIN 1.4301 |
| Stainless steel | (316TI) | DIN 1.4571 |
5 – Mother piece for rod, shaft
Bronze – RG7 2.1090 – RG7 – Cu Sn 7 Zn Pb
6 – Compression and sliding wedges
PA – Polyamide, PE – Polyéthylène, POM – Polyoxyméthylène
Bronze – N° matériau – RG7 2.1090 – RG7 – Cu Sn 7 Zn Pb
Other material on request.
7 – Dowel and anchors
Stainless steel V4A ( approved.)
All tailor-made solutions available