jis f 2304 manhole hatch

{"cid":"91200016","title":"JIS F 2304 Type C Sunk Multi Bolt Oval Hatch Cover Marine Outfitting","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/57\/3d\/2d99ec9e14cad3731a3ef3f9a12b-200x200-1.jpg","attrs":{"Standard":"JIS F 2304-1989","Type":"C, sunk multi bolt cover","Material":"Stainless Steel, Mild Steel","Weight":"56.3 to 79.1kg","Test":"Hydraulic Pressure Test","Dimension":"As Standard or Customized as inquiry","Application Type":"Oil Tight, Water-tight, Gas Tight","Gasket Type":"Buna A, Neoprene, Customized","Bolt Material":"Stainless Steel, Bronze, Brass","Surface Treatment":"Sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, Customized surface treatment available","Classification Certificates":"CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA. Mill Certificate"}}