Vatac Marine Cast Iron Butterfly Valves are designed and manufactured to JIS Standard, including Wafer, Full Lug and Double Flanged Type, Applicating for Air, Gas, Oil and plusation water, Standard steam, non-shock water up to 120 Deg. C and so on, Certification to 3.1 available on request. » Size: 2” (50mm) to 16” (400mm) » Pressure: JIS 5K, JIS 10K » Inspect & Test: JIS 7400-1996 » Flanged Dimension to JIS B2220 - 5K and10K » Body materials: Cast Iron » Trim: Cast Iron or Brozne » Seat: EPDM, NBR, Viton » Operation: Lever | Gearbox | Pneumatic, Electric or Hydraulic Actuator http://www.vatacvalve.net/