Threaded Ball Valve Series S85 Flow-Tek

Threaded Ball Valve

Series S85

Size Range
½ - 3" (15 - 80mm)
Temperature Range
-50°F to 450°F (-46°C to 232°C)
Pressure Rating
1000 psi WOG (69 Bar)


Threaded Ball Valve - Series S85

Size Range
½ - 3" (15 - 80mm)
Body Materials
Stainless Steel
Temperature Range
-50°F to 450°F (-46°C to 232°C)
Stem Materials
ASTM A479 Type 316
Pressure Rating
1000 psi WOG (69 Bar)
Seat Materials
Shutoff Rating
Zero Leakage
Ball Materials
Body Style
Two Piece
Design Standard
ASME B16.34
End Connections
Threaded - NPT
Testing Standard
MSS-SP 72, MSS-SP 110
Full Port
Face to Face
Manufacturers Standard
General Service, Air, Water, Oil & Gas

Features & Benefits

Flow-Tek's Series S85 threaded ball valves have been designed for ease of automation with Bray's modular line of actuators and accessories.. Standard two piece valve bodies are investment cast Stainless Steel, solution annealed for the highest quality and added strength. All body castings are marked with a foundry head number for full traceability.

These valves offer quarter turn operation and low operating torque. The S85 features live-loaded, self-adjusting stem seals that automatically adjust packing to compensate for changes in wear and temperature. Other features include replaceable seats and seals, anti-static devices, blowout proof stems, and stainless steel safety latch handles.

Secure Mount The Series S85 features Flow-Tek's Secure Mount integrally cast actuator mounting pad. The Secure Mount fully complies with ISO 5211, ensuring positive alignment and interchangeability of the actuator.


  • All Series S85 valves comply with:
    • MSS-SP 72
    • NACE MR0715
  • All valves are tested in accordance with MSS-SP 72
  • Vacuum Service to 29 inches Hg gauge

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