Overview of Ductile Iron Ball Valve Flanged PN40 Direct Mount

Description
Engineered for demanding industrial fluid control applications, this ductile iron ball valve features a PN40 flanged connection and a direct-mount ISO 5211 pad for easy automation. The robust ductile iron body provides exceptional strength and durability, while the stainless steel ball and stem ensure long service life under high-pressure and high-temperature conditions. PTFE seats offer smooth, low-torque operation and reliable sealing, making this valve suitable for water, air, steam, and general process systems.

Technical Data

• Body Material: Ductile iron (½3 sizes); carbon steel option for larger sizes
• Ball & Stem: Stainless steel
• Seats / Seals: PTFE seats, NBR O-rings
• End Connections: Flanged, PN40 rated
• Mounting: ISO 5211 direct-mount pad for actuator or gearbox fitting
• Pressure Rating: PN40 (40 bar)
• Temperature Range: 20 °C to +200 °C
• Size Range: ½ (DN15) to 4 (DN100)

Key Features

• High-pressure PN40 rating for heavy-duty industrial systems
• Ductile iron body provides strength and impact resistance
• Stainless steel ball and stem resist corrosion and wear
• Direct-mount ISO 5211 pad enables actuator installation without additional brackets
• PTFE seats deliver tight shut-off and smooth quarter-turn operation
• Flanged design ensures secure installation and reliable sealing under load

Installation & Application Notes
Before installation, verify that flange faces and bolt holes align precisely with the mating PN40 flanges. Use gaskets compatible with system pressure and media. When installing an actuator or gearbox on the ISO 5211 pad, ensure accurate alignment to avoid stem binding or torque misalignment. Support the pipeline adequately to prevent stress on the valve body. This valve is ideally suited for water treatment plants, process industries, steam systems, and compressed air networks where high integrity and frequent actuation are required. Regular inspection of the seats and seals is recommended in high-cycle applications to maintain leak-free performance and long service life.