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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

550 - 22"

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

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

Weight

225 kg

Body Material

Cast Steel, JIS SCPH2

Seat Material

EPDM NBR

Disc Material 

SCS13(304SS)

Stem Material 

SUS 403

Dimensional Information

531 mm

L

170 mm

L1

156 mm

D

745 mm

H1

418 mm

H2

460 mm

d2 

55 mm

a1 

6 mm

a2 

70 mm

a3 

79 mm

16 mm

D1

165 mm

25 mm

C1

165 mm

BH

23 mm

A - Min Internal Diameters of Piping

502 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

110 mm

JIS 10K Effective Screw Hexagon Bolts/Nuts Length

66 mm

JIS 10K Number of Hexagon Bolts/Nuts

32

JIS 10K Hexagon Bolts

M30

JIS 10K Hexagon Bolts Length

70 mm

JIS 10K Effective Screw Hexagon Bolts Length

54 mm

JIS 10K Number of Hexagon Bolts

8