Product Overview

The D971XP-10Q DN250 Electric Wafer Butterfly Valve is a large-caliber, high-torque automated fluid control system specifically designed for industrial piping networks that demand massive volume regulation and dependable remote isolation. This professional-grade package combines a sturdy DN250 concentric wafer butterfly valve with the heavy-duty omkee OMK-40B electric actuator. Celebrated for its space-saving compact footprint, intuitive installation layout, elite manufacturing quality, and robust torque output (400Nm), the D971XP-10Q DN250 Electric Wafer Butterfly Valve assembly delivers bubble-tight sealing, extensive operating life, and trusted remote process control across wide-ranging fluid media.

1. Electric Actuator Technical Parameters

The integrated OMK Series Electric Actuator is internationally recognized for its compact structure, convenient installation, outstanding quality, and high operational reliability.

• Brand: omkee (Wuhan Europe-America)

• Actuator Model: OMK-40B

• Control Voltage Options: DC24V / AC110V / AC220V / AC380V

• 90° Angular Travel Speed & Output Torque: 30 Seconds / 400 Nm

• Ingress Protection Rating: IP67 (Waterproof & Dustproof)

• Dielectric Strength / Withstand Voltage: * For AC110V/AC220V models: AC 1500V / 1 minute

  • For AC380V models: AC 1800V / 1 minute

• Electrical Interface: 1 × G1/2 Waterproof Cable Gland / Joint

• Ambient Operating Temperature: -20℃ to +60℃ (For operational environments below -20℃, please specify during ordering for specialized solutions)

• Control Circuit Type: On-Off type (Switching type) with passive contact signal feedback

• Switching Control Function: Achieves open and close operations through electrical switching signals, and outputs a corresponding set of passive contact (dry contact) signals indicating absolute full-open and full-closed positions.

• Manufacturing Standard: JB/T8219-1999 (Industrial-process measurement and control instruments)

2. Valve Body & Component Material Specifications

The mechanical valve assembly of the D971XP-10Q DN250 Electric Wafer Butterfly Valve is designed to fulfill rigorous manufacturing standards, assuring optimum hydrodynamic performance and pressure containment.

• Valve Body Material: Ductile Iron (Provides superior tensile strength, elongation, and shock resistance compared to standard cast iron)

• Valve Disc Material: 304 Stainless Steel (Grade 304 SS for superb corrosion and wear resistance)

• Valve Stem Material: 416 Stainless Steel (High-strength martensitic stainless steel for stable and balanced torque delivery)

• Sealing / Seat Material: EPDM (Ethylene Propylene Diene Monomer — excellent for hot/cold water, steam, and glycol solutions)

• Nominal Diameter / Port Size: DN250 (10 Inch)

• Connection Type: Wafer type (Concentric design, space-saving clamped installation between standard flanges)

• Manufacturing Standard: National Standard (GB Standard)

3. Industrial Application Fields

Thanks to its heavy-duty material configuration and reliable 400Nm electrical actuation, the D971XP-10Q DN250 Electric Wafer Butterfly Valve is widely deployed for intelligent pipeline control in the following industries:

• • Petroleum & Refining: Flow control lines for bulk oil products and refinery processing pipelines.

  • Chemical & Petrochemical Processing: Safe block-off and high-volume corrosive fluid handling.

  • Pulp & Paper Mills: Automated control of high-volume process water and stock lines.

  • Power Generation: Coolant loops, auxiliary water circuits, and thermal/hydro/wind power generation networks.

  • Metallurgical Industrial Systems: Blast furnace cooling, water jackets, and industrial gas regulation.

  • Pharmaceuticals & Bio-engineering: Clean utilities and large-volume clean process water distribution.

  • Iron & Steel Industry: High-pressure spray cooling systems and plant utility networks.

  • Water & Wastewater Management: Municipal main water supply, large water treatment plants, main sewage infrastructure, power irrigation, and large-scale drainage systems.

  • Marine & Shipbuilding Engineering: Main sea-chests, ballast management, cooling loops, and greywater piping.

  • Building Automation (HVAC): Primary commercial climate loops, district heating mains, and central chilled water stations.

  • Food & Beverage Processing Lines: Bulk fluid transport pipelines and industrial utility automation.