CHECK VALVE BOLA 11.500
FEATURES:
- Prevent back flow
- For horizontal or vertical position installation
- Sealing metal/rubber (NBR)
- Face to face according to EN 558 table 2 series 48
- Body and bonnet: ductile cast iron EN-GJS-500-7 (GGG50)
- Ball: aluminium (DN32 a DN100); ductile cast iron EN-GJS-500-7 (DN125 to DN400)
- Ball covering: NBR
- Coating inside and outside: epoxy coating for residual/waste water RESICOAT R4 – ES ≥ 250µm according to RAL-GZ662 (GSK)
