船用快關(guān)閥 GB/T 5744-1993
Marine Quick-closing Valve GB/T5744-93
性能規(guī)范Technical Data
|
公稱壓力 Nominal Pressure (MPa) |
公稱通徑 Nominal Diameter (mm) |
適用介質(zhì) Applicable Medium |
|
0.25 |
20-150 |
海水、淡水、滑油、燃油和t≤220℃的蒸汽 Sea water,Fresh water， Fuel oil and steam (t≤220℃) |
主要零件材料 Material of main parts
|
名稱 name |
材料 material |
牌號(hào)Marks |
|
閥體、閥蓋 body \cover |
鑄鋼 Cast Steel |
ZG230-45 |
|
閥盤disc |
優(yōu)質(zhì)碳素鋼 Carbon Steel |
鋼45# |
|
缸體cylinder body |
鑄鋁青銅 Cast Aluminum Bronze |
ZQA19-2 |
|
閥桿stem |
不銹鋼 Stainless Steel |
2Cr13 |
|
活塞piston |
鋅黃銅 Zine Brass |
H62 |
型式Type:AS\AQ\ASS\AQS , BS\BQ\BSS\BQS
主要結(jié)構(gòu)尺寸 Main structure dimension
|
通徑 DN |
D |
C |
n-d |
L |
H |
||
|
AS |
BS |
AS |
BS |
||||
|
20 |
90 |
65 |
4-?11 |
150 |
95 |
240 |
320 |
|
25 |
100 |
75 |
4-?11 |
160 |
100 |
242 |
325 |
|
32 |
120 |
90 |
4-?14 |
180 |
105 |
245 |
330 |
|
40 |
130 |
100 |
4-?14 |
200 |
115 |
274 |
365 |
|
50 |
140 |
110 |
4-?14 |
230 |
125 |
283 |
381 |
|
65 |
160 |
130 |
4-?14 |
290 |
145 |
325 |
437 |
|
80 |
190 |
150 |
4-?18 |
310 |
155 |
350 |
466 |
|
100 |
210 |
170 |
4-?18 |
350 |
175 |
375 |
500 |
|
125 |
240 |
200 |
8-?20 |
400 |
200 |
400 |
540 |
|
150 |
295 |
225 |
8-?20 |
480 |
225 |
430 |
580 |
