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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.

Please consult us for ANSI 125Lb/150Lb flange information.
Unit of Measure

Specifications

Size

 N/A 550 - 22"

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 Center Handle Electric Motor Extension Stem / Shaft Hydraulic Motor Pneumatic Motor Worm Gear

Weight

 N/A 225 kg

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

Dimensional Information

d 

 N/A 531 mm

L

 N/A 170 mm

L1

 N/A 156 mm

D

 N/A 745 mm

H1

 N/A 418 mm

H2

 N/A 460 mm

d2 

 N/A 55 mm

a1 

 N/A 6 mm

a2 

 N/A 70 mm

a3 

 N/A 79 mm

b 

 N/A 16 mm

D1

 N/A 165 mm

t 

 N/A 25 mm

C1

 N/A 165 mm

BH

 N/A 23 mm

A - Min Internal Diameters of Piping

 N/A 502 mm

Flange Information

Applicable Flange Standard

 N/A JIS 10K( JIS 5K, ANSI 125Lb/150Lb, PN10)

JIS 10K Hexagon Bolts/Nuts

 N/A M30

JIS 10K Hexagon Bolts/Nuts Length

 N/A 110 mm

JIS 10K Effective Screw Hexagon Bolts/Nuts Length

 N/A 66 mm

JIS 10K Number of Hexagon Bolts/Nuts

 N/A 32

JIS 10K Hexagon Bolts

 N/A M30

JIS 10K Hexagon Bolts Length

 N/A 70 mm

JIS 10K Effective Screw Hexagon Bolts Length

 N/A 54 mm

JIS 10K Number of Hexagon Bolts

 N/A 8