API 6D Ball valves
Product Details
The table provides details of the materials as per the specific conditions of the service, some materials appropriate for the handling of uncommon fluids are not included, but can be supplied
upon customer's request.
- Carbon steel for general use.
- Stainless steel for corrosive.
- Alloy stell for low temp./high temp service.
- Alloy 20, Hastelloy, monel for highly corrosive or abrasive application.
Engineering Data
|
Design |
BS 5351 / 1PI 6D / ANSI B16.34 |
|
Testing |
BS 6755 Part-II / API 598 |
|
Flange End |
ANSI B 16.5 |
|
SW End |
ANSI B 16.11 |
|
Thread End |
ANSI B 1.20.1 / ANSI B 2.1 |
|
Face to Face |
ANSI B 16.10 / API - 6D |
Material fo Construction
|
Parts |
Material |
||
|
SS 316 |
SS 304 |
Cast Steel |
|
|
Body & Side Piece |
ASTM A 351 CR CF 8M |
ASTM A 351 GR CF 8 |
ASTM A 216 GR WCB |
|
Ball |
ASTM A 351 CR CF 8M |
ASTM A 351 CR CF 8M |
ASTM A 351 CR CF 8M |
|
STEM |
SS 316 |
SS 316 |
SS 316 |
|
Stud. & Nuts |
ASTM A 193 88m/ ASTM A 194 8M |
ASTM A 193 88m/ ASTM A 194 8M |
ASTM A 193 88m/ ASTM A 194 8M |
|
Seat |
PTFE / GPTFE |
PTFE / GPTFE | PTFE / GPTFE |
|
Body Gasket |
PTFE / GRAFOIL |
PTFE / GRAFOIL |
PTFE / GRAFOIL |
|
Gland Packing |
PTFE / GRAFOIL |
PTFE / GRAFOIL |
PTFE / GRAFOIL |
|
Lever |
SS / CS |
SS / CS |
CS |
Operating Torque
|
Size |
FB |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
|
RB |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
|
|
|
Nt. Mt. |
NM |
4 |
8 |
14 |
28 |
33 |
55 |
75 |
100 |
245 |
505 |
1075 |
1600 |
2230 |
Flow Coefficient (Cv)
Flow coefficients by defination is the volume of water in Gallon perminute what will flow through valve at pressure drop of one psi.
|
Size |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
|
FB |
28 |
50 |
96 |
200 |
270 |
500 |
1100 |
320 |
2400 |
5500 |
10000 |
13500 |
18200 |
|
RB |
39 |
26 |
50 |
95 |
190 |
270 |
500 |
1100 |
1300 |
2400 |
5500 |
10000 |
13500 |
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