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Daniel Home - Series-788-Digital-Control-Valves-dn-283x300


Line Size DN50 to DN200 (2-in to 8-in)

Fluid Type Liquid

Operating Temperature Range 29º C to +66º C (-20º F to +150º F)

Operating Pressure Range ANSI ANSI 150 to 300


  • Effective planning and execution of maintenance and product lifecycle strategies is essential to meeting production and metering targets, and keeping costs low. The right mix of maintenance activities will help you operate safely, consistently and economy

  • Avoid damage due to shock pressure with adjustable control of closing speed

  • Reduce pressure drop and maintenance compared to axial flow valves with high-capacity, 45º piston operation


Materials of Construction

• Valve Body: Carbon Steel, ASTM A352 GR LCC
• Valve Cylinder: DN50 to DN 200 (2-in to 4-in): Stainless Steel, ANSI 150 to 600; DN250 to DN 400 (6-in to 16-in) Carbon Steel, Nickel Coated, ANSI 150 to 600
• Valve Piston: Standard: Stainless Steel


  • Improve reliability with positive O-ring seal and valve seats not affected by fluid viscosity and pressure drop

  • Protect equipment and personnel with positive shutoff (ANSI Class VI) and fail-safe closure upon power loss


Materials of Construction

• Seat Ring: DN50 to DN200 (2-in to 6-in) Stainless Steel; DN300 (8-in) Carbon Steel, Nickel Coated
• O-Rings: Standard: Viton; Optional: Neoprene, EPR, Viton, all Buna-N, Kalrez / Teflon AP (Aggressive Products)


  • Maximize uptime with all internal parts housed in a cartridge assembly; no need to remove the valve from the

  • Minimize wear-related maintenance with a simple design
    featuring no diaphragms or stuffing boxes


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