Dixon Sanitary B5101 Series Actuated Butterfly Valves are shipped fully assembled for quick and simple installation. The F B5101 Butterfly Valves include a normally open pneumatic vertical canister style actuator with spring return. Upon instrument air failure these valves will fail open, allowing process fluids to continue flowing. All actuated valves ship standard with EPDM seats, please contact us if you would like to substitute silicone or FKM seats.<br><br>All Dixon Sanitary B5101 Butterfly Valves are constructed from 316 Stainless Steel with a 32Ra ID/OD polish. Available with your choice of end connection (Tri-Clamp or weld), seat material (black epdm, red silicone, or brown FKM), and handle style (pull, infinite, or trigger), or actuator (fail close, fail open, or double acting). All valves are 100% hydraulic tested and 100% inspected prior to shipment! Rated for 0.4 inHg of vacuum at 68F and operation at temperatures from 15F to 200F.<br><br>Dixon B5101 Butterfly Valve Features:<br><br>- 316 Stainless Steel Body & Disc<br>- 100% Hydraulic Tested<br>- 100% Inspected<br>- All Wetted Surfaces Finished to < 32Ra<br>- Field Serviceable (no special tools)<br>- Tri-Clamp or Weld Ends<br>- EPDM (black), Silicone (red), or FKM Seats (black) Available (6" only EPDM or Silicone, 8" only EPDM)<br>- Pull, Infinite, or Trigger Handle<br>- Vertical Canister Style Actuation Available (fail open, fail close, or double acting)<br>- Vacuum Rating: 0.4 inHg @ 68F<br>- Temperature Range: 15F to 200F