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Valv Technologies - Model TrunTech -Trunnion Metal Seated Ball Valves

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ValvTechnologies’ TrunTech is designed to address the severe service demands of the upstream and midstream oil and gas industries. Its protected seat seals design provides long life and tight shut-off in abrasive / erosive conditions and meets stringent fugitive emission requirements. TrunTech is designed to API-6D and API-6A, fire-safe per API-607 (API-6D) and API-6FA (API-6A), tight-shut-off per ISO-5208 Rate A (API-6D) and PSL-3 (API-6A).

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  1. Carbide sealing surfaces. The sealing surfaces are overlaid with tungsten or chromium carbide using the ValvTechnologies-exclusive HVOF RiTech® coating process. These surfaces have a hardness of 68 – 72 Rc to allow long periods of operation in the most severe conditions.
  2. High integrity seals. To prevent leaks around the seats, ValvTechnologies has developed an innovative double seal design for erosive services operation in high cycling applications. A secondary graphite seal is installed toward the body cavity.
  3. Solids resistance. In addition to the carbide coatings which will allow the valve to function in highly abrasive applications, the individual valve parts have additional seals to prevent interference from solids in the system. This provides for outstanding service in severe-service isolation applications with high particle content from sand, elemental sulfur, hydrate, perforation shrapnel and pipe corrosion products.
  • Guaranteed tight shut-off. Benefit: Enhanced process safety and repeatable sealing allows operation under process excursions
  • True metal-to-metal sealing without using secondary elastomeric seals. Benefit: Inherent fire safety
  • Solid-proofed by design. Benefit: Process reliability
  • Exclusive HVOF RiTech™ coating technology. Benefit: Extended life
  • Grafoil® fire-safe seals. Benefit: Reduced maintenance costs
  • Double block-and-bleed capability. Benefit: Enhanced process safety
  • High cycling capability. Benefit: Process reliability
  • Bi-directional sealing by design. Benefit: Enhanced process safety, lower maintenance, less downtime
  • Single-piece anti blow-out stem design. Benefit: Enhanced process safety
  • Impervious to high thermal cycling. Benefit: Enhanced process safety
  • Certified to use in SIL-3 loop in single-valve and SIL-4 loop in two-valve with minimum MTBF 1,280 years. Benefit: Enhanced process safety
  • Fire safe certification: API-607 / API 6FA. Benefit: Enhanced process safety
  • Stem fugitive emissions per ISO 15848-1 Class B & TA-Luft. Benefit: Lower emissions, enhanced process safety
  • Purge connection
  • Sealant injection
  • Other options available – contact manufacturer for more information
  • HIPPS
  • ESD
  • Scraper receiver isolation
  • Molsieve switching
  • Manual isolation
  • Injection
  • Gas storage (withdrawal)
  • Gas transmission
  • Other gas treatment processes