Product characteristics and benefits

• Metallic sealing in accordance with EN 12334 - Part 3)
• Face-to-face length acc. to EN 558-1, basic series 14 (DIN 3202, F4)
• With flange ends on both sides acc. to EN 1092-2
• Compact design
• Short closing time due to approx. 30% reduced stroke by means of a slanted seat
• Corrosion-resistant and wear-resistant sealing seat
• No moving parts outside of the valve
• Reduced pressure losses due to free running disk

Materials

• Body: Ductile cast iron EN-JS 1030 (GGG-40)
• Check valve disk: Ductile cast iron EN-JS 1030 (GGG-40)
• Check valve shaft: Stainless steel 1.4021
• Shaft bearing: Zincfree bronze
• Seat: Chrome-nickel overlay welded, microfinished

Corrosion protection

• Inside and outside epoxy coating

Versions

• Standard version as described
• Bigger sizes available on request
• Special designs available on request
• Pressure rating PN 25 available on request
• With internal damping unit
• With blind cover (prepared for internal damping unit)
• With mechanical position indicator
• With limit switch
• With rubber lining
• Welded design
• Forged design