DN 40 - 400 / PN 10 - 16
Ball or wing form
Full line
Features:
- Maximum working pressure 16 bar up to DN300, bigger sizes 10 bar.
- Maximum temperature: from 0ºC to +60ºC
- Maximum speed: 3 m/s for PN10 and 4m/s for PN16
- Seating: class A according to standard EN 12666-1.
- Face-to-face dimensions according to EN 558-1 series 48 and ISO 5752 series 48.
- Flange drilling according to standards EN 1092-2 and ISO 7005-2
Description:
- Low headloss
- Opening on low differential pressure
- Stainless steel seat (except DN40)
- Stainless steel shaft
- Lubricated bearings
- Removable bonnet for easy maintenance
- Horizontal or upward vertical mounting
- Weight-loaded lever upon request
Hydraulic features:
Measured curve of a swing check valve DN100 with weight-loaded lever, mounted
on vertical pipe, for water at 20ºC. Thanks to geometric similarity, these values can
be applied to other nominal diameters for approximate calculation. Please, consult
us for exact values and data for other nominal diameters.