DELCO Manual Cast Iron Flanged Butterfly Valve, Worm Gear, PN10/PN16 (Class 125), DN06-DN100
Engineered for stable end-of-line service, this flanged butterfly valve combines a robust Cast Iron (GG25/GGG40) body with integral flanges for secure installation. Rated for PN10/PN16 (Class 125), it utilizes a worm gear operator to provide easy, water-hammer-free isolation in HVAC and water treatment systems .
Size Range: DN40-DN1200
Material: CI, WCB, Stainless Steel etc.
Cnnection Standard: GB/ANSI/JIS
Features
A durable cast iron butterfly valve with double flanges and worm gear operation, ensuring secure sealing for low-pressure water and air utility lines.
✅Double Flanged Stability: Unlike wafer types, the U-section or double-flanged body bolts directly to pipe flanges, allowing the valve to serve as a secure end-of-line stopper or withstand downstream dismantling.
✅Cost-Effective Construction: Made from Cast Iron or Ductile Iron, providing a budget-friendly yet reliable solution for general utility applications compared to a High Performance Butterfly Valve.
✅Zero Leakage Sealing: Equipped with a vulcanized rubber liner (EPDM/NBR) that guarantees bubble-tight shutoff (Class A), preventing media loss in water circulation and cooling loops.
✅Low Torque Gearbox: The manual worm gear mechanism ensures smooth, low-effort operation even at full differential pressure, preventing the sudden closure surges common with lever handles.
✅Standard Utility Rating: Designed for Class 125 / PN16 service, making it the industry standard choice for municipal waterworks, drainage, and non-corrosive industrial airflow systems.
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Parameters
Key Application Fields
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Oil & Gas
DELCO API-certified valves ensuring safety and reliability in demanding high-pressure pipelines. -
Chemical & Petrochemical
DELCO corrosion-resistant solutions tailored for handling aggressive acids and hazardous fluids safely. -
Power Generation
DELCO solutions efficiently withstand extreme high-temperature and high-pressure steam cycles in power plants. -
Food & Pharmaceutical
DELCO sanitary valves with FDA-compliant, crevice-free designs to ensure absolute product purity. -
Water & Wastewater
Durable municipal solutions by DELCO, designed for zero leakage and long-term sustainability. -
HVAC & District Heating
DELCO valves ensure precise flow regulation to optimize energy efficiency in modern buildings.
Browse our case studies or talk directly with our engineers to discuss your application.
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