Main Parameters

Design Standard: JIS F7309

Nominal Size: DN15 (1/2") to DN200 (8") or larger

Pressure Class: 16K

Flange Standard: JIS B 2210 

Body Material: Cast Iron (FC200 / FC250)

Bonnet: Cast Iron

Disc/Seat: Bronze / Stainless Steel / Optional depending on media.

Stem: Stainless Steel

Packing: Graphite

Tests: Shell Test and Seat Test, according to standards：Body: 1.5PN (3.2MPa/33kgf/c㎡)/Seat: 1.1PN (2.38MPa/24.2kgf/c㎡)

Applicable Temperature Range:  -10°C to 200°C.

Advantages and Applications of Cast Iron Materials:

Advantages: Excellent casting properties, superior corrosion resistance (especially suitable for seawater, freshwater, and atmospheric corrosive environments), and high cost-effectiveness.

Typical Applications: Marine: Low-pressure seawater cooling systems, ballast water systems, sanitary water systems, and bilge water systems. Industrial: Water supply and drainage, low-pressure steam, and oil pipelines in general factories.

Reference Drawing