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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
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Unit of Measure

Specifications

Size

900 - 36"

Max.Working Pressure

1.0 MPa

Body Shell Test (Hydraulic)

1.5 MPa

Seat Leak Test (Pneumatic)

1.1 MPa

Working Temperature Range

EPDM: -20 to 120°C NBR: -10 to 80°C

Painting

Epoxy primer finish (Munsell N7)

Actuators

Electric Motor Hydraulic Motor Pneumatic Motor

Body Material

Cast Steel, JIS SCPH2

Seat Material

EPDM NBR

Disc Material 

SCS13(304SS)

Stem Material 

SUS 403

Dimensional Information

858 mm

L

230 mm

D

1120 mm

H1

759 mm

H2

685 mm

d2 

75 mm

a1 

10 mm

a2 

80 mm

a3 

5 mm

a4 

95 mm

20 mm

D1

320 mm

40 mm

C1

280 mm

N

8 mm

BH

23 mm

A - Min Internal Diameters of Piping

834 mm

Flange Information

Applicable Flange Standard

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

JIS 10K Hexagon Bolts/Nuts

M30

JIS 10K Hexagon Bolts/Nuts Length

120 mm

JIS 10K Effective Screw Hexagon Bolts/Nuts Length

66 mm

JIS 10K Number of Hexagon Bolts/Nuts

48

JIS 10K Hexagon Bolts

M30

JIS 10K Hexagon Bolts Length

80 mm

JIS 10K Effective Screw Hexagon Bolts Length

66 mm

JIS 10K Number of Hexagon Bolts

6