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Bubble Tight Closure and Long Life

INTRODUCTION

Today's ships have to work hard. With the extensive use of automated systems, minimum manning levels, extended journeys and quick turn round times, maintenance time is at a premium. Equipment must be ultra reliable and also meet the latest standards.

LONG LIFE AND LEAK TIGHT
The 704G/722F/720F are designed to meet all of these requirements. It is a tough valve made to international standards with worldwide marine approvals. Long term leak tightness is achieved with attention to the details of spindle sealing and seat design.

LOW COST MAINTENANCE
The seat and disc can easily be replaced under a planned maintenance schedule. This replacability does not affect the valve's function as this seat is positively located in machined grooves in the valve body.
Unit of Measure
Items
series720f-500

Series 720F Shipside Butterfly Valves with Double Flanged Body (larger sizes)

series720f-500

Series 720F Shipside Butterfly Valves with Double Flanged Body (larger sizes)

series720f-500

Series 720F Shipside Butterfly Valves with Double Flanged Body (larger sizes)

series720f-500

Series 720F Shipside Butterfly Valves with Double Flanged Body (larger sizes)

series720f-500

Series 720F Shipside Butterfly Valves with Double Flanged Body (larger sizes)
Size N/A 850 - 34" N/A 900 - 36" N/A 1000 - 40" N/A 1100 - 44" N/A 1200 - 48"
N/A 822 mm N/A 858 mm N/A 975 mm N/A 1070 mm N/A 1170 mm
Max.Working Pressure N/A 1.0 MPa
Body Shell Test (Hydraulic) N/A 1.5 MPa
Seat Leak Test (Pneumatic) N/A 1.1 MPa
Working Temperature Range N/A EPDM: -20 to 120°C NBR: -10 to 80°C
Painting N/A Epoxy primer finish (Munsell N7)
Actuators N/A Electric Motor Hydraulic Motor Pneumatic Motor
Applicable Flange Standard
N/A JIS 10K( JIS 5K, ANSI 125Lb/150Lb, PN10)
JIS 10K Hexagon Bolts/Nuts
N/A M30 N/A M30 N/A M36 N/A M36 N/A M36
JIS 10K Hexagon Bolts/Nuts Length N/A 115 mm N/A 120 mm N/A 145 mm N/A 145 mm N/A 150 mm
JIS 10K Effective Screw Hexagon Bolts/Nuts Length N/A 66 mm N/A 66 mm N/A 84 mm N/A 84 mm N/A 84 mm
JIS 10K Number of Hexagon Bolts/Nuts N/A 48 N/A 48 N/A 40 N/A 40 N/A 48
JIS 10K Hexagon Bolts
N/A M30 N/A M30 N/A M36 N/A M36 N/A M36
JIS 10K Hexagon Bolts Length N/A 80 mm N/A 80 mm N/A 110 mm N/A 110 mm N/A 110 mm
JIS 10K Effective Screw Hexagon Bolts Length N/A 66 mm N/A 66 mm N/A 78 mm N/A 78 mm N/A 78 mm
JIS 10K Number of Hexagon Bolts N/A 8 N/A 6 N/A 16 N/A 16 N/A 16
L N/A 210 mm N/A 230 mm N/A 250 mm N/A 280 mm N/A 300 mm
L1 N/A N/A N/A 210 mm N/A 210 mm N/A 225 mm
D N/A 1070 mm N/A 1120 mm N/A 1235 mm N/A 1345 mm N/A 1465 mm
H1 N/A 709 mm N/A 759 mm N/A 819 mm N/A 874 mm N/A 948 mm
H2 N/A 650 mm N/A 685 mm N/A 745 mm N/A 820 mm N/A 880 mm
d2  N/A 75 mm N/A 75 mm N/A 95 mm N/A 95 mm N/A 95 mm
a1  N/A 10 mm
a2  N/A 80 mm N/A 80 mm N/A 100 mm N/A 100 mm N/A 100 mm
a3  N/A 5 mm N/A 5 mm N/A 10 mm N/A 10 mm N/A 10 mm
a4  N/A 95 mm N/A 95 mm N/A 120 mm N/A 120 mm N/A 120 mm
N/A 20 mm N/A 20 mm N/A 24 mm N/A 24 mm N/A 24 mm
D1 N/A 320 mm
N/A 40 mm N/A 40 mm N/A 45 mm N/A 45 mm N/A 45 mm
C1 N/A 280 mm
N N/A 8 mm
BH N/A 23 mm
A - Min Internal Diameters of Piping
N/A 803 mm N/A 834 mm N/A 950 mm N/A 1040 mm N/A 1138 mm
Body Material
N/A Cast Steel, JIS SCPH2
Seat Material
N/A EPDM NBR
Disc Material 
N/A SCS13(304SS)
Stem Material 
N/A SUS 403