Expert since 1970
Penstock 4sides tight with lowering plate
1 – Use: Retention or regulation device for pipe or network, rectangular or circular, closed on 3 sides. Function – open-closed and intermediate adjustment. Two-way sealing (upstream-downstream).
2 – Technical characteristics: Frame in chamfered U profile with lateral fixing plates to be bolted against the concrete wall. Shovel reinforced according to load. Peripheral removable extruded gasket fixed in the frame. Compression of the seal by wedges. Sealing between the frame and the work is ensured by a self-adhesive rubber-foam seal (supplied). Control by trapezoidal threaded rod (non-rising)
3 – Dimensions – made to measure
From 200 x 200 mm up to 2000 x 1500 mm.
Larger dimensions on request.
4 – Types of drive:
fixed inside manhole type AS
Fixed on headstock type AF
Drive on U-beam type AT
MATERIAL
The materials used in the basic version for the various equipment and accessories are as follows:
1 – Frame, plate, spindle extension, wall brackets and headstock
| Steel galvanized | (St-37) | N° matériau DIN 1.0037 |
| Stainless steel | (304) | N° matériau DIN 1.4301 |
| Stainless steel | (316TI) | N° matériau DIN 1.4571 |
| Aluminium | (AlMg3) | N° matériau DIN 3.3535 |
| Cast iron | (GG25) | N° matériau DIN GJL250 |
Other material on request.
2 – Boulons (vis + rondelles + écrous)
Acier – galvanisé A2 A4
Autres matériaux sur demande.
3 – Joints d’étanchéité
EPDM / APTK – Éthylène – Propylène – Terpolymère – Caoutchouc NBR – Acrylonitrile Butadiène
Caoutchouc CR – Néoprène – Polychloroprène – Caoutchouc.
Autres matériaux sur demande.
4 – Tiges filetées
| Acier inoxydable | (V2A) | N° matériau DIN 1.4104 |
| Acier inoxydable | (V2A) | N° matériau DIN 1.4301 |
| Acier inoxydable | (316TI) | N° matériau DIN 1.4571 |
5 – Écrous de tige filetée
Cuivre rouge – N° matériau – 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 – Chevilles – ancrages
En acier inoxydable V4A ( homologuées.)
TYPE OF DRIVES FOR PENSTOCK
HAND OPERATED DRIVES MOUNTED INSIDE MANHOLE ART. TYPE AS
E-ACTUATOR DRIVES MOUNTED INSIDE MANHOLE ART. TYPE AS
DRIVES MOUNTED ON HEADSTOCK ART. TYPE AF
All tailor-made solutions available