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QUEST Flow Controls manufactures high quality products that meet international standards. By combining strong traditional values with advanced modern technology, QUEST Flow Controls has established itself as one of the leading manufacturers of industrial valves.

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22820 Hufsmith Korhville Road
Tomball, Texas 77375 USA

Email: salesusa@questflowcontrols.com

Phone: 281.547.8804

INDIA

Gat No - 324, Chakan MDC
Phase – II Village Bhamboli, Tal-Khed, Dist-Pune
Maharashtra - 410 501, INDIA

Email: india@questflowcontrols.com

Phone: +91 89838 36955

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Series F - Floating Ball Valves

Series F - Floating Ball Valves
Ball Valve img.png

The Series F Floating Side Entry Ball Valves delivers superior quality and proven reliability. Manufactured in ISO 9001 and ISO 14001 certified facilities, these valves are designed in accordance with ASME B16.34, API 6D, API 608 and ISO 17292 with every valve fully pressure tested and serialized.


Key Features:


  • Robust two piece cast body with ASME B16.5 raised face serrated flanges and corrosion resistant paint for extended outdoor service
  • Precision machined floating ball with mirror finish ensures bubble tight shutoff, low torque and balanced cavity pressure for improved safety
  • Contoured preloaded seats eliminate seat extrusion and ensure stable sealing at low pressure, vacuum and fully rated pressure
  • SUPR proprietary seat material rated up to 72°F (300°C) with excellent chemical, thermal and mechanical resistance and lower permeability than standard PTFE
  • Blowout proof stem with integral collar design and heavy duty construction in Double D or round keyed configuration
  • Live loaded gland with Belleville springs ensures continuous compression, maintenance free sealing and excellent fugitive emission control
  • Fire safe certified to API 607 and API 6FA with secondary metal to metal sealing for tight shutoff even after soft seat destruction
  • Dual antistatic grounding system from stem to ball and stem to body prevents static charge buildup
  • ISO 5211 integral top flange enables direct actuator mounting with accessible gland bolt adjustment
  • Safety trigger handle with padlock capability and integrated 90° travel stops prevent accidental or unauthorized operation

Features

Series F - Floating Ball Valves Feature

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Series S - Three Piece Ball Valve

Series S - Three Piece Ball Valve

Three piece soft seated ball valve engineered for reliable shutoff across industrial applications with multiple material and end connection options compliant with ISO 17292, API 6D and ASME B16.34.

Specifications

Size Range½" to 3" (DN15 to DN80)
Body MaterialCarbon Steel, Stainless Steel, NAB, Gunmetal
Temperature Range-29°C to +200°C (-20°F to +392°F)
Maximum Operating PressureClass 150, 300, 400 & 800
Standards ComplianceISO 17292, API 6D, ASME B16.34