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型號 |
公稱壓力 PN(MPa) |
公稱通徑 DN(mm) |
主要尺寸(mm) |
閥體 材料 |
簡要性能 |
L |
D |
D1 |
D2 |
b |
z-d |
H1 |
H2 |
溫度℃ |
介質 |
Y43H-16
Y43H-16C
先導活塞 式減壓閥 |
1.6 |
15 |
140 |
95 |
65 |
45 |
14 |
4-14 |
- |
- |
灰鑄鐵
碳鋼 |
≤200 ≤250 |
蒸汽 |
20 |
160 |
105 |
75 |
55 |
16 |
4-14 |
70 |
285 |
25 |
180 |
115 |
85 |
65 |
18 |
4-18 |
100 |
290 |
32 |
200 |
135 |
100 |
78 |
18 |
4-18 |
100 |
290 |
40 |
220 |
145 |
110 |
85 |
20 |
4-18 |
105 |
310 |
50 |
250 |
160 |
125 |
10 |
20 |
4-18 |
105 |
310 |
65 |
280 |
180 |
145 |
120 |
20 |
4-18 |
105 |
310 |
80 |
310 |
195 |
160 |
135 |
22 |
8-18 |
160 |
340 |
100 |
350 |
215 |
180 |
155 |
24 |
8-18 |
160 |
340 |
125 |
400 |
245 |
210 |
185 |
26 |
8-18 |
195 |
375 |
150 |
450 |
280 |
240 |
210 |
28 |
8-23 |
195 |
375 |
200 |
550 |
335 |
295 |
265 |
30 |
12-23 |
225 |
475 |
Y43H-25C
先導活塞 式減壓閥 |
2.5 |
15 |
140 |
95 |
65 |
45 |
16 |
4-14 |
- |
- |
碳鋼 |
≤250 |
蒸汽 |
20 |
160 |
105 |
75 |
55 |
16 |
4-14 |
- |
- |
25 |
180 |
115 |
85 |
65 |
16 |
4-14 |
100 |
310 |
32 |
200 |
140 |
100 |
76 |
18 |
4-18 |
108 |
320 |
40 |
220 |
150 |
110 |
84 |
18 |
4-18 |
110 |
325 |
50 |
250 |
165 |
125 |
99 |
20 |
4-18 |
116 |
330 |
65 |
280 |
185 |
145 |
118 |
22 |
8-18 |
140 |
355 |
80 |
310 |
200 |
160 |
132 |
24 |
8-18 |
155 |
375 |
100 |
350 |
235 |
190 |
156 |
24 |
8-22 |
165 |
385 |
125 |
400 |
270 |
220 |
184 |
26 |
8-26 |
190 |
430 |
150 |
450 |
300 |
250 |
211 |
28 |
8-26 |
215 |
450 |
200 |
500 |
360 |
310 |
274 |
30 |
12-26 |
250 |
520 | |
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