VIZA-Ball Valve


	Figure Numbers
	Design Feature
	Series FC
	Series FR
	Series FF
	Series FS
	Series TF
	Series TC
	Series TT
	Series FM/TM
	Data Sheet

Data Sheet







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	Ball Valve Flow Coefficient (Cv)

Size	CV
in	Class 150	Class 300	Class 600	Class 900	Class 1500	Class 2500
1/2	24	24	24	24	24	24
3/4	53	53	53	53	53	53
1	92	92	92	92	92	92
1-1/2	211	211	211	211	211	211
2	381	381	381	381	381	283
3	845	845	845	845	845	600
4	1523	1523	1523	1523	1523	1160
6	3381	3381	3381	3381	3120	2590
8	6031	6031	6031	6031	5508	4795
10	9442	9442	9442	9442	8500	7410
12	13614	13614	13614	13614	12223	10433
14	16621	16621	16621	15363	14800	---
16	21920	21920	21920	20581	19178	---
18	28076	28076	28076	26435	24243	---
20	34995	34995	34995	32743	30565	---
22	42676	42676	42676	40184	35860	---
24	51117	51117	51117	47884	41733	---
26	59012	59012	59012	56076	---	---
28	68872	68872	68872	65110	---	---
30	79493	79493	79493	74610	---	---
32	89268	89268	89268	84977	---	---
34	101307	101307	101307	96020	---	---
36	112306	112306	112306	107487	---	---
40	139982	139982	139982	---	---	---
....................................................................................................................................................................................
Note: 1. The flow coefficiency "Cv" of a valve is the flow rate in Gallons /minute of 60°F water through a fully opened valve, at a pressure drop of 1 psi across the vavle. 2. All the ball valves are in full bore.

©2008 SUZHOU VIZA VALVE CO., LTD.
Add: 25th Floor, Gold River Center, No. 88 Shishan Road, Suzhou, China
Tel: 0086-512-68081929 Fax: 0086-512-68081920 Email: sales@vizavalve.com