Butech Ball Valves

Ball Valve Selection Guide

2-way Valves for On-Off Service:

Model No.	Maximum Pressure*	Port	Cv
K103	10,000 PSI 690 bar	0.187" (4.7)	0.75
K104	10,000 PSI 690 bar	0.250" (6.4)	1.40
K106	10,000 PSI 690 bar	0.375" (9.5)	3.40
K204	20,000 PSI 1380 bar	0.250" (6.4)	1.40
K206	20,000 PSI 1380 bar	0.375" (9.5)	3.40

3-way Valves for Switching Service:

Model No.	Maximum Pressure*	Port	Cv
3K93	10,000 PSI 690 bar	0.187" (4.7)	0.56
3K106	10,000 PSI 690 bar	0.375" (9.5)	2.40
3K203	20,000 PSI 1380 bar	0.187" (4.7)	0.56
3K206	20,000 PSI 1380 bar	0.375" (9.5)	2.40

3-way Valves for Diverting Service:

Model No.	Maximum Pressure*	Port	Cv
3DVK93	10,000 PSI 690 bar	0.187" (4.7)	0.56
3DVK106	10,000 PSI 690 bar	0.375" (9.5)	2.40
3DVK203	20,000 PSI 1380 bar	0.187" (4.7)	0.56
3DVK206	20,000 PSI 1380 bar	0.375" (9.5)	2.40

4-way Valves:

Model No.	Maximum Pressure*	Port	Cv
4K103	10,000 PSI 690 bar	0.187" (4.7)	0.56
4K106	10,000 PSI 690 bar	0.375" (9.5)	2.40

Note: Standard operating temperature range is -20 to 400° F (-28 to 204°C).

* CAUTION:The maximum allowable working pressure (MAWP) of the valve shall not exceed the MAWP of the valve series or the selected connection, whichever is less.