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Rising Stem Ball Valve

Rising Stem Ball Valve

Specification Stem Sealing: No Rubbing Between Sealing Surfaces ARAN RSBV with its unique structure of the stem and valve seat in the valve open-close process without friction, which could extend valve life sealing is more reliable. · Injectable Packing Stem packing material is injected through...

Details

Specification

Stem Sealing:

No Rubbing Between Sealing Surfaces

ARAN RSBV with its unique structure of the stem and valve seat in the valve open-close process without friction, which could extend valve life sealing is more reliable.

· Injectable Packing

Stem packing material is injected through the packing fitting in-service maintenance, giving complete control of fugitive emissions.

· Single-seat Design

The single, stationary seat in the ARAN RSBV valve seals in both directions and avoids the problems of trapped pressure between seals.

· Long Life

ARAN RSBV could replace many troublesome valves such as ball valves, gate valves, globe valves and plug valves. The ARAN RSBV design has performance advantages that reduce plant outage and reduce the cost dramatically of ownership.

· Optimum Flow

Full port or reduced port openings give high Cfigures. System pumping efficiency is enhanced and erosion problems are reduced.

· Ball &Seat Self-cleaning Function

Design of opening of the media along the 360 direction of the ball and the valve seat surface has a self-cleaning function.

· Low-torque Operation

RSBV valves turn easily because seal rubbing is eliminated.

· Various Seat Structure

Either soft seated or metal seated with various material options, can be applied to low temperature, normal temperature, high temperature and also many other working condition.

· Top-entry Design

Could be easily operated directly in-line inspection and repair, after system depressurizing, simplifies maintenance.

· Dual Stem Guides

Hardened stem slots and tough guide pins control the stem action of lift-and-turn.

APPLICATIONS

· Petroleum – Craft cutting and control of offshore platforms, oil slurry system, all cut and control such as water torch, shut off valve and adjusting valve of storage tank, and cut and control of oil pipeline end.

· Natural gas – Craft cutting and control of offshore platforms, all cut and control applications in processing and purification plant, shut off valve and control valve of natural gas storage tank, and cut off applications in the end of transmission pipelines.

· Chemical plant – Application process. Apply to the applications of all cutting off and control, and the cut and control applications of steam system.

· Pulp and paper reduction process application, ethanol reduction process application, and steam application.

· Power station – Application of low pressure steam. Cut and control, regional heating boiler and distribution pipes, and trap valve.

· Steel mill – Furnace gas cut-off valve.


Product range

ANSI Pressure Class

Size Range

150

1” – 24”

300

1” – 24”

600

1” – 24”

900

1” – 20”

1500

1” – 16”

2500

1” – 8

 

Sizes

1” through 24”

Pressure Ratings

ANSI Classes 150 through 2500, DIN PN 10 through PN 320

End Connections

Flanged RF/RJ, Butt weld, Socket weld, Hub end, Screwed

Face to Face

To B16.10, Manufacturer Std. or at special request

Trim Area

Full bore or Reduced bore to API 6D dimensions or at special request

Packing Options

Graphite or PTFE or combination composition at request

Flow Direction

Preferred flow toward seat or Bi Directional at request

Leakage Rates

To API 598 or BS 6755 or ANSI FCI-70-2 Class V or VI

Flow Coefficients

Cv Value as per the enclosed tables pages 6 through 11

Temperature Range

From minus 196 ˚C to 600 ˚C



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