1)marine simplex oil strainers: jis f 7209 standard. 2)marine duplex oil strainers(h type): jis f 7208 standard. 3)marine small size duplex oil strainers: jis f 7224 standard. 4)marine can water filters: jis f 7121 standard. Specification: Material: cast iron, stainless steel Working pressure: 5k, 10k Size: dn50 ~ dn800 Sandard: jis, asme, gb Lead time: around 35 days
