WaStop double collar Technical specification Nominal diameter DN 600 (NPS 24) Max. Flow Velocity 4 m/s (13.1 fps) Weight 41.4 kg (91.3 lb) # Bolt holes (#B) 6 Bolt Circle Diameter (BCD) 745 mm (29.3 in) Dimension 587 mm (23.1 in) Valve body length (L) 800 mm (31.5 in) Outer Ø (OD) 587 mm (23.1 in) OD incl. gasket (ODG) 615 mm (24.2 in) Ø Bolt Holes (ØB) 10.5 mm (0.4 in) Max. Flow Volume 1132 l/s (17942.6 GPM) Max. ID Host Pipe 613 mm (24.1 in) Min. ID Host Pipe 590 mm (23.2 in) Fasteners mtrl. 316L stainless steel Gasket EPDM Product sheet (PDF) Technical specification (PDF) Dimensional drawing (PDF)