Double Check Valve Clapper PN16 Ductile Iron

Characteristics of PN16 double flap check valve

With body made of gray cast iron, stainless steel disc and spring and nitrile seat. Widely used in industrial recirculation systems. Does not require maintenance.

Horizontal and vertical working position with low load loss.
Wide use in air conditioning, water treatment and conduction installations, naval technology, petrochemical industry, sugar, paper, etc.
Manufactured according to the guidelines of the European directive.

APPLICATIONS

• General uses: pumping, water supply, gas, air conditioning installations...).

GENERAL CHARACTERISTICS

• Designed according to EN 12334 and EN 14341.
• Manufacturing range: DN 50 to DN 900
• Mounting between flanges EN 558-1/ISO 5752 series 16
• Flanges according to EN1092-2
• Working position: horizontal and vertical.
• Possibility of assembly according to different connection standards. 
• Low pressure loss. 
• Closing using an assisted stainless steel spring, which helps reduce water hammer

MATERIALS

• Body: Gray Cast Iron
• Disc: AISI 304 Stainless Steel
• Seat: nitrile, EPDM, FPM, (Viton® type). 
• Spring: stainless steel.

COATING

• Body: baked epoxy 250 μ, RAL 5017 or similar.

WORKING CONDITIONS

• Working pressure: PS 16Bar DN50 - DN300 PS 10Bar DN350 - DN900
• Maximum working temperature -10º/110º

STANDARDS AND TESTS

• Manufactured in accordance with the requirements of the European directive 97/23/CE < Equipment under pressure>: category III module H (DN 40 –300). 
• Tests carried out and established according to EN 12266-1