Ductile Iron Wafer Type Dual Door Check Valve with Ductile Iron Disc

• Type: Dual Door Check/ Dual Plate Check
• End connection: suitable PN10/PN16/PN25, JIS10K/16K/20K, ANSI150
• Body: Ductile Iron
• Disc: Ductile Iron
• Spring & Shaft: SUS316
• Seat ring: EPDM/NBR
• Working pressure: 25 bar 
• Testing pressure: Shell: 1.5  time, Seat: 1.1 time
• Working Temperature: -10oC~120oC (EPDM), -10oC~80oC (NBR)
• Suitable Fluid: Water & Oil