Ball valve is a valve regulated by the position of a free-floating ball that moves in response to fluid or mechanical pressure.The sphere has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur.

FLANG-CONNECTION FLOATING BALL VALVE

The descriptions of this valve can be summarized as (1)Design & Manufacture: BS 5351, AP16D; (2)Normal Pressure: Class 150~600 LB; (3)Test Pressure: (a)Shell Test: 3.1/7.8/15.0 MPa; (b)Water Sealing: 2.2/5.6/11.2 MPa; (c)Air Sealing: 0.6 MPA  ; (4)Test and Inspection:  AP16D , API598; (5)Pressure-Temprature Rating: ANSIB16.34; (6)FIange Dimension: SNAIB16.5 ; (7)Face to face Dimension:  ANSIB16.10, ANSIB16.25  ; (8)Suitable Temperature: 150 ; (9)Medium: Nitric Acid, Acetilc Acid,W,G,O,etc   ;

This valve is mainly composed of body,seat, stem,disc,cover,etc.All of the parts use various materials,eg : 304L+Flexible Graphite, A351CF8M, A193 B8M , A216WCB. The detailed description of materials as the following diagram: