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Series S40

Threaded Ball Valve


Size Range

¼ – 2" (8 – 50mm)

Temperature Range

-50°F to 450°F (-46°C to 232°C)

Maximum Allowable Operating Pressure

1000 psi WOG (69 Bar)

Shutoff Rating

Zero Leakage

Body Style

One Piece

End Connections

Threaded ASME B1.20.1 NPT

Body Materials


Stem Materials

ASTM A479 Type 316

Seat Materials


Ball Materials

ASTM A479 Type 316

Design Standard

MSS SP-110


Reduced Port


General Service, Air, Water, Oil & Gas

Features & Benefits

The Series S40 threaded ball valves add an economical, compact, one piece body design ball valve to the Bray product lineup. The one piece body supplies maximum structural strength while minimizing the number of potential leak paths. Model S40 valve bodies are high quality investment cast 316 Stainless Steel.

S40 valves feature quarter turn operation, bottom entry blowout proof stems and low operating torque.

A variety of handle designs, such as standard locking lever, optional oval and optional butterfly, are available for ease of operation or safety applications.


  • All valves are tested in accordance with MSS-SP72
  • Threaded End Connections meet ASME B1.20.1 NPT
  • Vacuum service to 29 inches Hg gauge