Valve rotary valve DS

round-flange

Product overview
The IMI Orton DS Series concentric rubber-lined butterfly valve provides reliable sealing and simple maintenance for industrial flow control. Rated to 20 bar, the design includes a self-centering disc, a full double seal to protect the stem from the conveyed medium, and self-lubricating alloy bushings. Sizes range from 1.5 to 108 in and body styles include wafer, lugged and double-flanged. The DS Series is engineered for utilities, water treatment, fire-fighting systems, seawater and slurry/brine services.

Key features

• Internal rubber seat and replaceable liner for tight sealing
• Self-centering disc to reduce wear and improve stability
• Self-lubricating alloy bushings for extended service life
• Double seal protecting the stem from media ingress
• Wide size range: 1.5 to 108 in
• Pressure rating up to 20 bar
• API 609 compliant design

Applications

• Utilities and industrial water networks
• Municipal and industrial water treatment
• Fire-fighting and suppression systems
• Seawater and marine installations
• Slurry, brine and aggressive liquid handling

Body styles

• Wafer
• Lugged
• Double-flanged

Notes on construction and materials

• Concentric valve geometry with internal rubber lining
• Bodies available in multiple metallic materials to suit service conditions
• Designed for low maintenance: replaceable lining and durable alloy bushings

Specifications / Technical data

• Fluid types: Liquid, Gas, Water, Steam, Air, Sewage, Fire suppression
• Port size (in): 1.5 to 108
• Maximum working pressure (barg): 20
• Material options: Ductile Iron; Carbon Steel; Stainless Steel; Aluminium Bronze; Duplex & Super Duplex; Titanium; Nickel Alloy Steel
• Design codes: ASME B16.34; ASME VIII; API 609; UL1091
• Temperature limits (°C): -20 to 150
• Certifications: PED; NACE; SIL3; CU-TR
• Features: self-centering disc; double-seal stem protection; replaceable rubber liner; self-lubricating alloy bushings