Bray / Flo-tek – S19 Segmented Ball Valve
The versatile valve for most applications
Features & Benefits
The Flow-Tek Series 19 is a versatile Segmented Ball Valve (or v-ball) designed for throttling or on-off applications in various industries including pulp & paper, chemical, power, oil & gas, and mining.
The valve features a characterized ball segment for high rangeability with splined stem connection for precise control, maintenance friendly segment-stem assembly, low friction shaft and thrust bearings for longer life, integral actuator mounting pads, and interchangeable seats.
Video – Flow-tek / Bray S19 Segmented Control Valve Introduction
WatchTechnical specifications
Size Range
1 - 12" (DN 25 - DN 300)
Body Materials
Stainless Steel (CF8M), Carbon Steel (WCB)
Ball Materials
Stainless Steel (CF8M), CF8M Hard Chrome Plated
Seat Materials
Soft Seat: (316) Stainless Steel with Tek-Fil® Insert
Metal Seat: (316) Stainless Steel with Stellite Hard Facing
Pressure Ratings
Class 150/300/600
Shutoff Rating
Metal Seat: Class IV per IEC 60534-4 /ANSI/ FCI 70-2,
Soft Seat: Class VI per IEC 60534-4 / ANSI / FCI 70-2
Testing Standard
Shell test – API 598, Seat leak – ANSI FCI 70-2 (Refer TS-00040)
Face to Face
Flangeless: Flow-Tek Internal Standard, Flanged: ANSI/ISA 75.08.02
(ISA S75.04) / IEC 60534-3-2