BUTTERFLY VALVES

The Series 20/21 valve not only surpasses the high standards required in sanitary valve applications, and inherent flow characteristics and capabilities. Bray's Series 20 valve is a wafer version with flange locating holes, and the Series 21 is the companion lug version for dead-end service and other flange requirements.

• Sanitary & Chemical applications
• One-piece disc/stem
• High CV, low pressure drop

• Size Range:1" - 20" (25mm - 500mm)
• Body Style:Wafer, Lug
• Temperature Range:-20°F to 400°F (-29°C - 204°C)
• Pressure Ratings:Bidirectional Bubble-tight Shut-Off: 150 psi (10.3 Bar)
  Body (CWP): 250 psi (17.2 Bar)
• Body Materials:Cast Iron, Ductile Iron, Stainless Steel, Aluminum
• Disc/Stem Materials:Stainless Steel, EPDM Molded over SS, BUNA-N Molded over SS,
• Seat Materials:BUNA-N, EPDM, PTFE Lined EPDM, FKM* Polyurethane
• Applications:Sanitary Service, Mildly Corrosive, Toxic Media

Precision digital control with proven reliability bray’s series 6a positioners were designed with ease of installation, simple calibration, efficiency and economy in mind. Units for rotary single acting and double acting actuators are offered as standard. Intrinsically safe versions are also available.

Bray’s bus positioners offer all series 6a features plus increased network communication and remote access to positioner parameters and diagnostics.

On-line adaptive control: during operation, the unit continually optimizes control behaviors and travel times in response to changes in line media pressure.

Diagnostics: bray’s series 6a positioners feature corrective and preventative maintenance self-diagnostic checks. All diagnostics run constantly, may be continually monitored, and recorded.

Air supply monitor: an additional feature of the series 6a is an internal monitor that transmits a fault signal alarm if the air supply fails. The alarm is shown locally on the lcd and may be sent to the remote control panel.

Local position adjustment: valve position can be manually adjusted locally by removing the housing cover, then using the push buttons to override the remote command signal.

Flow restrictors: precise control of even the smallest pneumatic actuators through internal flow restrictors.

Position indicator: in addition to the lcd display, valve position is clearly shown over a distance by a yellow indicator.

Locking device: for high vibration applications, the series 6a features, as standard, a friction clutch locking device.

The Series 50 signals actuator and valve position to local and remote stations. The units have been designed for ease of wiring and a wide variety of switches. Both feature the same high quality internal parts and the same rugged reliability.

• 10 amps at 125 or 250 volts AC
• Internal travel switches that are prewired to a terminal block.

MOQ: Onward

• Connections: NPT and IP65 DIN connections offered with both single and dual coils
• Explosion Proof: NEMA 7, 9
• Waterproof: NEMA 4, 4X
• Pneumatic Ports:1/4" NPT
• Electrical Connections: NEMA Housings: 1/2" NPT< br/> DIN Housing: Cable Gland PG9
• Temperature Range: NEMA Housings
  AC: -13°F (-25°C) to +140°F (+67°C)
  DC: -13°F (-25°C) to +77°F (+25°C)
• Operating Speed:10 cycles per minute - with more if needed
• Duty Cycle:Continuous