A ball valve is a type of valve that uses a hollow, pivoting ball to
control the flow of a medium through itself. If the hole of the ball is
in line with the flow, the valve is open, and it is closed when the
valve handle has been used to pivot the ball ninety degrees.
Ball Valve
Specification of Ball valves
| Size |
50NB — 600NB |
| Material |
M.S. / C.I. / C.S. / F.C.S. / SS
304/304L / SS 316/316L / Alloy
20 / Hestalloy B/C & Monel |
| Pressure |
150PS1 |
| Temperature |
0 Deg C - 1200 Deg C. |
| Body , Chest |
Solid One piece casting of Cast Iron Fg 260, Cast
Steel Gr WCB ,CF8,CF8M. |
| Seat |
Integral to Body, Soft, Optional. |
| Gate |
AISI SS 304,316,316L,317,317L |
| Screw Spindle |
AISI SS 410,304,316. |
| Nut |
Brass |
| Yoke |
Plate type of MS . |
| Gland Follower |
Cast Iron , Cast steel , Ductile Iron ,CF8,CF8M.
|
| Hand Wheel |
Cast Iron , Cast steel , Ductile Iron |
| Gland Packing |
PTFE , PTFE Impregnated |
| Ends |
Lugged |
| Port |
STANDARD [Round], Optional V Port, Diamond Port,.
|
Parts & Material of Flanged End Ball Valve
| 1 |
Body |
Cast Iron/A126 Class B |
| 2 |
Ball |
Cast Iron/PFA* Fused |
| 3 |
Stem |
Stainless Steel |
| 4 |
Gland Plate |
Steel |
| 5 |
Handle |
Steel |
| 6 |
Handle Bracket |
Ductile Iron |
| 7 |
Packing Follower |
Stainless Steel |
| 8 |
Stem Indicator |
Steel |
| 9 |
Handle Bracket Spacer |
Steel |
| 10 |
Stem Stud |
Carbon Steel |
| 11 |
Gland Stud |
Carbon Steel |
| 12 |
Body Stud |
Carbon Steel |
| 13 |
Body Nut |
Carbon Steel |
| 14 |
Handle Bracket Bolt |
Carbon Steel |
| 15 |
Packing |
PTFE (Chevron) |
| 16 |
Body Gasket |
PTFE |
| 17 |
Seat Ring |
RPTFE 15% GF |
| 18 |
Back Seat O-Ring |
PTFE |
| 19 |
Handle Grip |
Vinyl Rubber Foam |
| 20 |
Body Cap |
Cast Iron/A126 Class B |
Ball Valve Sizes
| Size range |
15 MM to 600 MM |
Ball valves Maximum pressure ratings
| pressure |
150 class to 2500
class |
Operating Temperature of Ball Valves
| Maximum Operating Temperature |
232 °C
450 °F |
