FOR:Double Flanged Butterfly  "Double Flanged Butterfly 

Valves *** 1. Type of pipe 

connection: Double Flanged 

Type

2. Flange Standard: JIS 5K

3. Nominal Diameter: 480 

MM

4. Name of Fluid: Sea Water

5. Pressure and 

Temperature of Fluid: max 

1.0 MPa and -10 to 60 deg.C

6. Flow: 1300 M3/h

7. Marterial of body, disk , 

seat: FC 250/ FCD 450/ NB 

or EPDM

8. Type of actuator: Worm 

Gear

9. No. of hole: 12 / each 

flange

10. PCD: 435 MM

11. L = 120 MM (Dimension 

end flange to end flange)

Kindly referattached for your 

reference" NA..NA..IMPA CODE: 75-22-

FOR:Double Flanged Butterfly  "Slip-on Welding Steel Pipe 

Flanges *** Nominal Size: 

350A (O.D D = 480 mm)

Thick T = 22 mm

Pitch C (PCD) = 435 mm

Bolt hole: 12

Bolt Holt Dia: 23 mm

For Pipe out Diameter: 360 

mm

Ref. JIS B 2220, 5 kgf/cm2" NA..NA..IMPA CODE: 73 46