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1 TC-03T/B/S/F/L THREE PIECE BALL VALVE INSTALLATION..OPERATION & MAINTENANCE INSTRUCTIONS TCI ball valves have been designed and engineered to provide you with long lasting trouble free service when used in accordance with the instructions and specifications mentioned herein. INSTALLATION 1. TCI three piece ball valves are bi-directional and may be installed for flow in either direction. During installation it is recommended that the valve ball be in the open position in order to prevent any possible damage. 2. After installation, cycle valve several times before putting into service. 3. Valves can’t be used on unstable gases. 4. Max. working pressure: TC-03T/B/S/L:1000 psi (69bar) , TC-03F/pn16:16 bar , TC-03F/pn40:40 bar 5. Max. working temperature is 200..(392..). Caution for Brazing, Soldering, or Welding 1. If valve is to be brazed, soldered, or welded, the seats and body seals must be removed before installation in the following manner: (a) Rotate valve ball into open position. (b) Remove four body bolts. (c) Rotate valve ball back to closed position and remove seats and ball. (d) Remove body seals from pipe ends. (e) Place ball, seats, and body seals in a clean suitable container during installation. (f) Reassemble pipe ends to body. 2. When brazing, follow standard brazing procedures minimizing a direct flame on the valve body (center section). 3. When welding, it may be desirable to wrap a damp towel around the center section. 4. After brazing or welding allow the valve to cool. Reassemble the seats, seals, and ball with the valve. 5. Carefully tighten the body bolts diagonally across from each other before securing to the following recommended torque: VALVE SIZE RECOMMENDED BOLT TORQUE DN8~DN10 (1/4"~3/8") 8 – 10 N-M DN15~DN25 (1/2"~1") 16 – 19 N-M DN32~DN50 (1-1/4"~2") 30 – 33 N-M DN65 (2-1/2") 75 – 80 N-M DN80~DN100 (3"~4") 140 – 165 N-M Page 1 of 4

2 6. After installation, cycle valve several times before putting into service. OPERATION 1. A quarter turn of the handle clockwise closes the valve and a quarter turn counterclockwise fully opens the valve. Visual indication of the ball position is determined by the handle position: when the handle is in line with the piping the valve is open, cross line the valve is closed. Also, the stem flats indicate the direction of the ball port. 2. Soft seated ball valves perform best with the ball either fully open or fully closed in accordance with TCI Valve published pressure/temperature chart. Consult the factory regarding characteristics of the media or pressure drop for applications other than fully open or closed. 3. Any media that might solidify, crystallize or polymerize should not be allowed to stand in the ball valve cavities. In the event that this should happen, DO NOT forces the valve in either direction; disassemble and clean before resuming service. 4. Force required to break-away (i.e., force which must be exerted to begin motion of ball) will vary depending on the media, pressure and length of time between cycles. The following data will act as a guide regarding break-away torques: VALVE SIZE MAXIMUM BREAK-AWAY TORQUE DN8 (1/4”) 3.0 N-M DN10 (3/8”) 3.0 N-M DN15 (1/2”) 4.5 N-M DN20 (3/4”) 8.5 N-M DN25 (1”) 11.0 N-M DN32 (1-1/4”) 15.0 N-M DN40 (1-1/2”) 24.0 N-M DN50 (2”) 32.0 N-M DN65 (2-1/2”) 45.0 N-M DN80 (3”) 65.0 N-M DN100 (4”) 100.0 N-M The above figures were obtained at 25 degrees C., 7 bar after 24 hours. 5. The only mechanism of the valve that is adjustable is the stem packing. If adjustment is required the gland may be taken up on by first loosening the handle nut. Adjustment of the gland should be no more than one quarter turn at a time. Over tightening will produce high torque and a shortened seal life. MAINTENANCE A repair kit containing two seats, two body seals, one thrust washer and stem packing is available for rebuilding each size and style valve. Be sure to specify size, style, seat and seal materials when ordering. Optional components are also available (ball, stem, handle, etc.). Refer to illustration on last page for part identification and assembly. Page 2 of 4