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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 722F 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

Specifications

Size

 N/A 500 - 20"

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 182 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 482 mm

L

 N/A 160 mm

L1

 N/A 140 mm

D

 N/A 675 mm

H1

 N/A 382 mm

H2

 N/A 420 mm

d2 

 N/A 50 mm

a1 

 N/A 6 mm

a2 

 N/A 70 mm

a3 

 N/A 79 mm

b 

 N/A 14 mm

D1

 N/A 140 mm

t 

 N/A 25 mm

C1

 N/A 140 mm

BH

 N/A 19 mm

A - Min Internal Diameters of Piping

 N/A 456 mm

Flange Information

Applicable Flange Standard

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

JIS 10K Hexagon Bolts/Nuts

 N/A M24

JIS 10K Hexagon Bolts/Nuts Length

 N/A 100 mm

JIS 10K Effective Screw Hexagon Bolts/Nuts Length

 N/A 54 mm

JIS 10K Number of Hexagon Bolts/Nuts

 N/A 32

ANSI 125Lb/150Lb Hexagon Bolts

 N/A U1 1/8

ANSI 125Lb/150Lb Hexagon Bolts Length

 N/A 85 mm

ANSI 125Lb/150Lb Number of Hexagon Bolts

 N/A 8

JIS 10K Hexagon Bolts

 N/A M24

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

ANSI 125Lb/150Lb Hexagon Bolts/Nuts

 N/A U1 1/8

ANSI 125Lb/150Lb Hexagon Bolts/Nuts Length

 N/A 120 mm

ANSI 125Lb/150Lb Number of Hexagon Bolts/Nuts

 N/A 32