Valve Components

Valve Components
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Valve Components

Product catalog summary
Overview
Carrara Global Sealing Solutions specializes in sealing systems for industrial valves, offering products like seats, balls, retainers, and gaskets. The company focuses on long-term client partnerships, providing technical and logistical solutions at competitive prices.
Mission and Assets
Carrara aims to build enduring client relationships, emphasizing continuous improvement and efficient sealing systems. The company is equipped with advanced logistics, equipment, and management software to maintain high efficiency and quality standards.
Sealing Solutions
The Valgasket division provides a comprehensive range of sealing systems for industrial valves, including low emission and fire-safe products. It focuses on co-design and co-engineering to develop high-value sealing solutions.
Product Features
- Seats: Available with thermoplastic, elastomeric, or fired inserts, with options for secondary seating equipment and energizing elements.
- Valve Seats and Components: Includes cryogenic designs for temperatures down to -260°C, standard seat designs for various valve models, and metal-to-metal designs for high-pressure applications.
- Seal Sets: The CONTROLLER EVOLUTION series is designed for low emission reliability, using high-purity materials treated with oxidation and corrosion inhibitors.
Approvals and Applications
Products are certified for low emissions and meet various international standards, suitable for industries like oil and gas, chemical services, and high-pressure environments.
Innovations
New materials and designs include the V10 material for cryogenic applications and the GR80SGR OXY packing for oxygen services, ensuring exceptional resistance and cleanliness.
Specifications
The document details gaskets and sealants for valve applications, focusing on graphite and metal combinations. Key products include Steelgraph gaskets and Valvograph graphite gaskets, designed for high elasticity and thermal cycle resistance, complying with standards like EN14772 and ASTM F2168.
Procedures
Production involves stamping Valvograph graphite with metal layers for durability. The document stresses selecting appropriate materials for O-rings based on chemical compatibility and temperature, using CAD-CAM systems to minimize errors and improve efficiency.
Standards and Norms
Gaskets and components adhere to international standards like API 6A and ASME B16.20, ensuring performance criteria for pressure and temperature ranges are met.
Recommendations
For optimal performance, consider primary and secondary chemical compatibility of materials and their suitability for extreme temperatures. Use corrosion inhibitors and oxidation retardants to extend the service life of graphite gaskets.
Key Data from Tables and Diagrams
Includes tables listing dimensions, tolerances, and material specifications for various gasket types, with pressure and temperature ranges for different materials highlighted.
Quality Assurance
Quality control includes non-destructive testing methods like PMI, VT, PT, UT, and HT to ensure reliability. Surface treatments like nickel plating and carburization enhance durability.
Research and Development
Investment in technology and innovation improves production processes and product quality, including Wi-Fi connectivity for real-time monitoring and ISO9001 compliance for traceability and inventory management.
Conclusion
The document provides a comprehensive overview of materials, production processes, and quality standards in manufacturing valve sealants and components, emphasizing adherence to international standards and material selection for optimal performance and longevity.
Oxidation Resistance
Discusses graphite laminates' oxidation resistance, measured by the EN14772 test at 670°C, ensuring weight loss rate does not exceed 4% per hour.
Mechanical Characteristics
Highlights tensile strength of graphite laminates, with higher quality laminates showing greater resistance and elasticity.
Expanded Mineral Graphite
Includes a table on detrimental materials and properties of Valvograph rings, noting their linear compression line and stress factors.
Graphite Packings
Details Valvograph graphite packings used in industrial valves for stem seals, closures, and seat seals, including configuration and stress distribution.
Mechanical Behavior
Discusses mechanical behavior of graphite packings, including setting flange and compression packings for pumps and valves.
Product Range
Carrara offers a wide range of sealing solutions, including metallic gaskets, flat gaskets, mechanical seals, and insulation kits, emphasizing quality, technical support, and availability.
Environmental Division
The FERP Environmental Division focuses on monitoring VOCs, steam, and technical gases, offering energy-saving programs and environmental services.
Disclaimer
Concludes with a disclaimer about the accuracy of technical data and Carrara S.p.A.'s responsibility.
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Catalog excerpts

Valve Components-1

VALVE SEALANTS & COMPONENTS valgasket division

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Valve Components-2

VALVE SEALANTS & COMPONENTS CARRARA Global Sealing Solutions, committed to Partnership Operational Divisions • Sealing systems and components for valves • Industrial sealing systems • Environmental services • Engineered yarns for industry Carrara is a partner to principal manufacturers of process components for controlling fluids and is authorised both at the main International EPCs, as well as with principle oil and gas players, for the supply of sealing and Environmental Services systems. • 20.000 m2 of protected area • 160 employees • Patented products • Frame Agreements with Internation

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Valve Components-3

Mission • Undertake to establish Partnerships with commercial Clients over a long period and cooperate with them in pursuing continuous improvement. • Supply our Clients with the best technical and logistics solutions at the best price • Satisfy our Clients by producing efficient Sealing systems. Assets • The large surface area over which the establishment extends allows for an extremely rational flow of raw materials, semi processed materials and of goods, guaranteeing maximum efficiency. • The equipment for moving, processing, quality control and packaging are all integrated into a process...

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Valve Components-4

Co-Engineering Carrara Global Sealing Solutions, value seals! The Valgasket Division of Carrara Global Sealing Solutions makes available to Clients the decades of experience acquired by our Technical Staff for the joint development of sealing solutions with high added value. Co-Design Carrara Global Sealing Solutions, quality seals! The selection of a number of seat details, and that of the sealing materials, at times requires supplementary analysis and discussions in order to ensure that all is in agreement with the project specifications, and with the fluids to be contained. The Technical Staff...

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Valve Components-5

Client Oriented Strategy The Carrara Sealing Global Solutions Valgasket Division sales programme is oriented towards maximum flexibility in order to satisfy all Client requests. Seats The seats may be supplied with only the thermoplastic insert or, in the case of metal to metal seals, with elastomeric or fired inserts. Carrara has available the best materials and suppliers for thermoplastic substances (PTFE, RPTFE, DEVLON, NYLON, PEEK and KEL-F), for FKM AED mixes and for the nickel plating, carburation and welding filling treatments. Equipped Seats The seats can also be supplied with secondary...

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Valve Components-6

VALVE SEALANTS & COMPONENTS - Divisione Valgasket Valve Seats and Components Standard seat design Design: this configuration, available in sizes from ½” up to 60”, has been developed on the basis of the standard dimensions of Ball Valve bodies. It is capable of absolving the seal, both in normal conditions, and in the most severe at high temperature and in aggressive environments. We have a vast stock of materials available in order to guarantee rapid consignment. It is possible to customize the design of the seat if the dimensions are within the standard of stock blanks. Applications: These...

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Metal-to-metal design Design: The metal to Metal Design consists in production of the primary seals through direct contact of seat and ball. The O-Ring, as well as Lip Seal or the graphite, may be used as secondary seals depending on the applications. The coatings on the part in contact are normally made with Tungsten or Chrome Carbide using the HVOF procedure. We are able to supply various designs to guarantee the best performance for every circumstance. Top-entry seat design Design: This configuration, which requires a higher seat, is made up of one or two distinct pieces and may be supplied...

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Valve Components-8

VALVE SEALANTS & COMPONENTS - Divisione Valgasket Valve Seats and Components Balls The supply of balls, in ordinary or exotic materials and fashioned with ENP, Tungsten Carbide or Stellite, allows for supplying the complete seat-ball Kit, which directly releases the Carrara establishment from adaptation actions for the two parts. The balls may be standard, but also according to the Client’s design. Bodies and closures In order to offer a complete service, we carry out the mechanical processing of valve “Bodies and Closures” over the complete range of sizes from 8” to 36”. Expanding gates and...

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Valve Components-9

VALVE SEALANTS & COMPONENTS

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Valve Components-10

VALVE SEALANTS & COMPONENTS The stampding division for Valvograph graphite seals of Carrara Global Sealing Solutions combines a large production capacity with a high level of flexibility and includes in its range seals certified for stems, closures and seats, which meet the most stringent requirements regarding runaway emmission controls and of purity of the materials.

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Valve Components-11

PGT4 GR8622 is the certified low emission stem seal complying with API 622 e ISO 15848 Standards which makes a valid solution for reducing the type of seal used for the first use on new valves. Indeed, it can be used as much in the context of Oil & Gas and Chemicals, as in high pressure and temperature steam applications. ● ISO 15848 C02 BH ● API 622 2nd Edition ● Fire Test API 589 ● CorrosionTest ● Weight Loss Test EN 14772, section 6.7 PGT3 GR8622 Full low emission approvals PGT3 GR8622 and PGT4 GR8622 are the seal sets with low emission approval, be that in compliance with Standard API 622...

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VALVE SEALANTS & COMPONENTS Approvals • TA LUFT VDI 2440 • Weight Loss Test EN 14772, section 6.7 CONTROLLER EVOLUTION. The CONTROLLER family seal sets EVOLUTION are designed to meet the demand for reliable products conforming with the TA LUFT Low Emission requirements. CONTROLLER ONE EVOLUTION Is the seal set with "Cup & Cone" configuration having rings at diversified densities, specifically for valves undergoing frequent movement but usable for all applications. Controller 2 Evolution ' Low Emission reliability over time The CONTROLLER EVOLUTION seal sets are made with GR80SGR packing and Valvograph...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.