Seat Supported Ball Valve
Basic Info
Ball valve evolved by the plug valve, the openning and closing as a sphere, using the ball around the stem fo the axis of rotation, 90 the degree of the realization of the aim of openinng and closing. Ball valve in the line is mainly used for cutting, distribution, and change the flow direction of medium, the ball valve not onle simple structure, good sealing performance, and within a certain range of nominal pass after small volume, light weight, material consumption less, small installation size, and drive torque is small, easy to operate, easy to realize rapid openeing and closing, is the fastest growing in last decade one of the varieties of the ball.
Products Specification about seat supported ball valve
Class150 2- piece ball valves
Class300 2- piece ball valves
API Trim NO. Table
No of internal parts |
Seat ring or body |
Gate、disc 、ball or body |
Stem |
No of internal parts |
Seat ring or body |
Gate、disc 、ball or body |
Stem | |
01 | 13Cr | 13Cr | 13Cr | 31 | STELLITE | 321SS | 321SS | |
02 | 304SS | 304SS | 304SS | 32 | STELLITE | STELLITE | 321SS | |
03 | 310SS | 310SS | 310SS | 33 | 347SS | 347SS | 347SS | |
04 | HARD 13Cr | HARD 13Cr | 13Cr | 34 | STELLITE | 347SS | 347SS | |
05 | STELLITE | STELLITE | 13Cr | 35 | NICKEL ALLOY | 13Cr | 13Cr | |
06 | Cu-Ni | 13Cr | 13Cr | 36 | A105/PTFE | A105+ENP | A105+ENP | |
07 | 13Cr | HARD 13Cr | 13Cr | 37 | A105/PTFE | WCB+ENP | A105+ENP | |
08 | STELLITE | 13Cr | 13Cr | 38 | 13Cr/PTFE | 13Cr | 13Cr | |
09 | Cu-Ni | Cu-Ni | Cu-Ni | 39 | 304SS/PTFE | 304SS | 304SS | |
10 | 316SS | 316SS | 316SS | 40 | 316SS/PTFE | 316SS | 316SS | |
11 | Cu-Ni | STELLITE | Cu-Ni | 41 | A105/RPTFE | A105+ENP | A105+ENP | |
12 | STELLITE | 316SS | 316SS | 42 | A105/RPTFE | WCB+ENP | A105+ENP | |
13 | ALLOY 20 | ALLOY 20 | ALLOY 20 | 43 | 13Cr/RPTFE | 13Cr | 13Cr | |
14 | STELLITE | ALLOY 20 | ALLOY 20 | 44 | 304SS/RPTFE | 304SS | 304SS | |
15 | STELLITE | STELLITE | 304SS | 45 | 316SS/RPTFE | 316SS | 316SS | |
16 | STELLITE | STELLITE | 316SS | 46 | A105/NYLON | A105+ENP | A105+ENP | |
17 | STELLITE | STELLITE | 347SS | 47 | A105/NYLON | WCB+ENP | A105+ENP | |
18 | STELLITE | STELLITE | ALLOY 20 | 48 | A105/NYLON | 304SS | 304SS | |
19 | MONEL | MONEL | MONEL | 49 | A105/NYLON | 316SS | 316SS | |
20 | BRONZE | BRONZE | 13Cr | 50 | 13Cr/NYLON | 13Cr | 13Cr | |
21 | HASTELLOY B | HASTELLOY B | HASTELLOY B | 51 | 304SS/NYLON | 304SS | 304SS | |
22 | HASTELLOY C | HASTELLOY C | 52 | 316SS/NYLON | 316SS | 316SS | ||
23 | STELLITE | 304SS | 304SS | 53 | A105/PEEK | A105+ENP | A105+ENP | |
24 | 304LSS | 304LSS | 304LSS | 54 | A105/PEEK | WCB+ENP | A105+ENP | |
25 | STELLITE | 304LSS | 304LSS | 55 | 13Cr/PEEK | 13Cr | 13Cr | |
26 | STELLITE | STELLITE | 304LSS | 56 | 304SS/PEEK | 304SS | 304SS | |
27 | 316LSS | 316LSS | 316LSS | 57 | 316SS/PEEK | 316SS | 316SS | |
28 | STELLITE | 316LSS | 316LSS | |||||
29 | STELLITE | STELLITE | 316LSS | |||||
30 | 321SS | 321SS | 321SS | |||||
Quality Control About seat supported ball valve
