Expert since1970
Penstock 4sides tight with rising plate
1 – Use:
Retention device for round or rectangular openings. Open-Closed position, to suit water pressure from both directions.
2 – Technical characteristics:
4-sided frame in chamfered U profile with side fixing plates to be wall mounted.
Shovel, plate reinforced according to head of water. Tightness achieved through extruded and removable sealant gaskets. Compression of the gaskets by wedge.
Sealing between the frame and the work is ensured by a self-adhesive rubber-foam seal (supplied).
Plate lifting through threaded shaft.
3 – Dimensions – On request :
DN 150 – DN 2000.
Larger dimensions on demand.
Types of drives :
- Drive mounted inside manhole type AS
- Drive mounted on headstock AF
- Drive mounted on 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, shaft extension, fixation brackets 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
| Stainless steel | (V2A) | DIN 1.4104 |
| Stainless steel | (V2A) | DIN 1.4301 |
| Stainless steel | (316TI) | DIN 1.4571 |
5 – Mother pice for shaft
Bronze – RG7 2.1090 – RG7 – Cu Sn 7 Zn Pb
6 – Cales de glissement et compression
PA – Polyamide, PE – Polyéthylène, POM – Polyoxyméthylène
Cuivre rouge – N° matériau – RG7 2.1090 – RG7 – Cu Sn 7 Zn Pb
Autres matériaux sur demande.
7 – Dowel and anchors
Stainless steel ble V4A ( approved.)
TYPES OF DRIVES FOR PENSTOCK
HAND OPERATED DRIVES MOUNTED INSIDE MANHOLE TYPE AS
DRIVES MOUNTED ON HEADSTOCK TYPE AF
All tailor-made solutions available