No. |
Parts’ name |
Material |
British standard |
1 |
Bolt |
Steel |
BS970 43A |
2 |
Gasket |
Aluminum |
|
3 |
Valve deck |
Cast iron |
BS1452 Cr.180 |
4 |
Gasket |
Graphite |
BS2494 Type W |
5 |
Nut |
Brass |
BS2874 CZ122 |
6 |
Nut |
Steel |
BS970 43A |
7 |
Side plug |
Brass |
BS2874 CZ122 |
8 |
Axle |
Fiber |
|
9 |
Hanging |
Brass |
BS2874 CZ122 |
10 |
Hook |
Ductile cast iron |
BS2789 Gr.420-12 |
11 |
Valve plate |
Cast iron |
BS1452 Cr.180 |
12 |
Valve plate ring |
Cast bronze |
BS1400 LG2 |
13 |
Washer |
Steel |
BS970 43A |
14 |
Needle |
Stainless steel |
BS970 420S37 |
15 |
Valve body |
Cast iron |
BS1452 Cr.180 |
16 |
Bolt |
Steel |
Bs970 43A |
DIMENSIONSMILLIMETRES |
|||||||||
DIM. |
VALVE SIZE |
||||||||
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
|
A |
203 |
216 |
241 |
292 |
330 |
356 |
495 |
622 |
698 |
B |
113 |
133 |
142 |
163 |
197 |
212 |
257 |
299 |
331 |
C |
165 |
185 |
200 |
220 |
250 |
285 |
340 |
405 |
450 |
D |
20 |
20 |
20 |
24 |
26 |
26 |
30 |
32 |
32 |
E |
125 |
145 |
160 |
180 |
210 |
240 |
295 |
355 |
410 |
F |
102 |
122 |
138 |
158 |
188 |
212 |
268 |
320 |
378 |
n-d |
4-19 |
4-19 |
4-19 |
8-19 |
8-19 |
8-23 |
12-23 |
12-28 |
12-28 |
h |
2 |
2 |
2 |
2 |
2.5 |
2.5 |
2.5 |
2.5 |
2.5 |