Butterfly Valve Chemical Version

Butterfly Valve Chemical Version
• Robust with stainless steel shaft. AISI 304 with double seal PTFE or AISI316
• Joints in EPDM or FPM
• PVC-U, PP and PVDF materials
• Diameters from DN50 to DN400
• Actuation by manual lever or reducer steering wheel
• Possibility of electrical or pneumatic actuation DA, NA, NC
• Electro Positioner 4-20mA or limit switch box position indication
• Lever manual operation or with reducer steering wheel

For demanding use in the chemical industry.

Advantage

• Body includes O-ring, no additional gasket is needed for the carrier

Applications


• Construction of chemical facilities
• Construction of industrial facilities
• Galvanotécnica

Use


• For closing pipe systems

Fluids


• Neutral media and aggressive liquid or gaseous media if the valve components that contact the media are resistant to the service temperature according to the Divatec resistance list.
• Contaminated media can reduce the closing function.

More Specifications

Testing
• Requirements and tests in accordance with DIN 3441, 3442, 8063 and 16962 standards. DIN EN 12266, leak rate A checked.

Nominal Pressure (H2O, 20°C)
• PN 6 – PN 10

Medium temperature
• see pressure and temperature diagram

Service pressure
• See pressure and temperature diagram

Construction Size
• DN 50 – DN 200

Housing / Closing Disc
• PVC-U/PVC-U
• PP/PP
• PVDF/PVDF

cap
• PVDF

Spindle
• Stainless steel (1.4305)

O-rings
• FPM
• EPDM

Command
• With manual lever, spring-loaded ratchet and rack mechanism with 7 rack positions, each 15°
• With manual gear, 1:44
• With electric actuator, DIN EN ISO 5211
• With pneumatic actuator, DIN EN ISO 5211

Connection
• Between flanges according to DIN EN 1092, PN 10/16

Mounting position
• Any

Accesories
• Limit switch

Color
• Body: PVC-U, grey, RAL 7011
• Body: PP, grey, RAL 7032
• Body: PVDF, yellowish white
• Manual lever: PVC-U, orange, RAL 2004