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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 other Standards flange information and weight information
Unit of Measure

Specifications

Size

 N/A 850 - 34"

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

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 822 mm

L

 N/A 210 mm

D

 N/A 1070 mm

H1

 N/A 709 mm

H2

 N/A 650 mm

d2 

 N/A 75 mm

a1 

 N/A 10 mm

a2 

 N/A 80 mm

a3 

 N/A 5 mm

a4 

 N/A 95 mm

b 

 N/A 20 mm

D1

 N/A 320 mm

t 

 N/A 40 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

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 115 mm

JIS 10K Effective Screw Hexagon Bolts/Nuts Length

 N/A 66 mm

JIS 10K Number of Hexagon Bolts/Nuts

 N/A 48

JIS 10K Hexagon Bolts

 N/A M30

JIS 10K Hexagon Bolts Length

 N/A 80 mm

JIS 10K Effective Screw Hexagon Bolts Length

 N/A 66 mm

JIS 10K Number of Hexagon Bolts

 N/A 8