IMO: Wafer-Sphere™ butterfly valve series 815W model A & B 16” – 30” (DN400-750) series 815L model A & B 16” – 60” (DN400-1500) series 830W & 830L model A 14” – 24” (DN350-600) series 860W & 860L model A 14” – 24” (DN350-600) (English)
Documents ● IMO - Installation, Maintenance and Operating Instructions