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XOMOX® TOV - Triple Offset Valves

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Key Features

Proven triple offset design for a variety of applications requiring zero leakage* performance. This design offers quality and reliability with superior customer service and support.

Key Features
 Triple offset design provides bi-directional zero leakage* shutoff  Self-centering discprevents binding due to thermal shaft expansion  Clamped seal ring with flat gasket provides even compression and consistent sealing
performance

 Supported shaft prevents shaft deflection and seal leakage  Inherently fire-safe design
*Zero Leakage - in accordance with the following standards: API 598 (Soft Seat), API 6D (Soft Seat), FCI 70-2 Class VI.

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Overview andApplications

Overview
Size: Class: Materials: 3" to 24" 150-600 Carbon steel Stainless steel High alloys Lug Double Flange - Short Pattern Double Flange - Long Pattern

Body Types:

Temperature Range:

-320°F to +1000°F API 607 Rev. 4

Fire Saf

Fire Tested:

e

Applications
Refineries Crude oil / Product tank storage Crude unit Dock / Marine FC Cracking unit Hydro-treatingHydrogen plant Isomerization Product blending and loading rack Reforming Steam systems Vacuum unit Visbreaker Chemical Plants Process Utilities Power Industry District heating Steam and water Offshore/Onshore Gas and oil storage tanks Petrochemicals Process in treatment and purification plants Process on platforms Tank Farms Pulp and Paper Reduction process Steam Water Steel Mills Hot gas and steamWater Industry Desalination Water Water treatment Waste water

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Triple Offset Design
As the name implies, there are three separate offsets designed into the valve. Two of the offsets apply to the location of the shaft with respect to the center line of the bore and the center line of the disc/seat sealing surfaces. The third offset in the design is the axis of theseat cone angle that is inclined from the center line of the valve bore to minimize rubbing of the seat/seal contact surfaces during operation and to preserve sealing integrity over the cycle life of the valve. This wide angle seat also eliminates wedging or binding of the disc. The CRANE ChemPharma, XOMOX® TOV features unique designs in the disc /shaft engagement and in the precisionmachined seatand seal ring of identical eccentric shape. These features, combined with the eccentric movement, provide longer cycle life, lower operating torque, and increased temperature capability. Additionally, the torque-seated resilient metal seal ring assures consistent bi-directional zero leakage* performance.

A Superior Solution to Gates and Globes
In comparison to gate and globe valves, XOMOX® TOVprovides users with the following benefits:

     

Exceptional flow control, high Cv, and low Delta P in a single valve Zero leakage* capability that results in enhanced performance and safety Longer in-service life leads to lower costs of maintenance and replacement Replaceable seal ring which allows for quick, easy repair Lower operating torque and quarter-turn design requires minimalactuation Smaller, lighter valve results in lower shipping, handling, and installation costs

*Zero Leakage - in accordance with the following standards: API 598 (Soft Seat), API 6D (Soft Seat), FCI 70-2 Class VI.

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Key Design Features
Key Design Features
Quarter Turn Design Improves containment integrity and is easily automated Low Break and Operating TorqueEnables simplified, cost-effective automation Blowout-Proof Shaft Complies with API 609 to improve safety for operating personnel

Stainless Steel Graphite Laminated Seal Ring Provides reliable, zero leakage*, bi-directional shutoff up to 1000°F

Wide Angle Seat Design Eliminates wedging and binding of the seat/disc engagement Optional Stellite Seat Offers optimal resistance to erosion in...