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點擊圖片查看原圖YT43H/Y-16,YT43H/Y-25,YT43H/Y-40,YT43H/Y-64,YT43H/Y-100,YT43H/Y-160,高靈敏度大流量蒸汽減壓閥
產(chǎn)品概述
結構特點和用途
本系列減壓閥屬于先導式活塞減壓閥。由主閥和導閥兩部分組成，主閥主要由閥座、閥瓣、活塞、缸套、彈簧零件組成。導閥主要由閥座、閥瓣膜片、彈簧、調(diào)節(jié)彈簧等件組成。本產(chǎn)品在普通減壓閥基礎上作了很大改進，加大了活塞面積，改變了節(jié)流結構，改變了密封形式，加大了過流面積等等，從而在提高蒸汽管路、流量、壽命等方面大大改善了性能。本產(chǎn)品主要用于蒸汽管路，適用于流量變化大，進口壓力變化大的蒸汽管路。
主要零件材料
|
零件名稱 |
零件材料 |
|
閥體、閥蓋、底蓋 |
WCB |
|
閥座、閥瓣 |
2Cr13 |
|
缸套、活塞 |
鋁鐵鑄銅 |
|
膜片 |
1Cr18Ni9Ti |
|
導閥座、導閥桿 |
2C13 |
|
主閥彈簧 |
50CrVA |
|
導閥主彈簧 |
50CrVA |
|
調(diào)節(jié)彈簧 |
60Si2Mn |
主要技術參數(shù)
|
公稱壓力(MPa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
|
殼體試驗壓力(MPa)* |
2.4 |
3.75 |
6.0 |
9.6 |
15.0 |
24.0 |
|
密封進口壓力(MPa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
|
最高進口壓力(MPa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
|
出口壓力范圍(MPa) |
0.04-1.0 |
0.05-1.6 |
0.08-2.5 |
0.2-3.5 |
0.5-3.5 |
0.5-4.5 |
|
壓力特性偏差(MPa) |
GB12246-1989 |
|||||
|
流量特性偏差(MPa) |
GB12246-1989 |
|||||
|
最小壓差(MPa) |
0.07 |
0.1 |
0.15 |
0.3 |
0.5 |
0.8 |
|
滲漏量 |
GB12245-1989 |
|||||
*：殼體試驗不包括膜片、閥蓋
連接形式
法蘭式：RF FM RJ 執(zhí)行標準：JB79 Gb9113 ANSI B16.5
流量系數(shù)（Cv）
|
DN |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
500 |
|
Cv |
24 |
30 |
50 |
85 |
130 |
190 |
300 |
480 |
680 |
925 |
1150 |
1900 |
外形尺寸（近似值）(PN1.6-4.0)
|
公稱通徑DN |
外 形 尺 寸 |
|||
|
L |
H |
H1 |
||
|
1.6/2.5MPa |
4.0MPa |
|||
|
15 |
160 |
180 |
265 |
85 |
|
20 |
160 |
180 |
265 |
85 |
|
25 |
180 |
200 |
280 |
95 |
|
32 |
200 |
220 |
280 |
95 |
|
40 |
220 |
240 |
290 |
105 |
|
50 |
250 |
270 |
300 |
130 |
|
65 |
280 |
300 |
315 |
145 |
|
80 |
310 |
330 |
330 |
170 |
|
100 |
350 |
380 |
405 |
200 |
|
125 |
400 |
450 |
450 |
225 |
|
150 |
450 |
500 |
485 |
265 |
|
200 |
500 |
550 |
570 |
290 |
|
250 |
650 |
640 |
325 |
|
|
300 |
800 |
740 |
360 |
|
|
350 |
850 |
810 |
395 |
|
|
400 |
900 |
950 |
430 |
|
|
500 |
950 |
1080 |
500 |
|
|
公稱通徑DN |
外 形 尺 寸 |
|||
|
L |
H |
H1 |
||
|
6.4MPa |
10.0/16.0MPa |
|||
|
15 |
180 |
180 |
280 |
100 |
|
20 |
180 |
200 |
280 |
100 |
|
25 |
200 |
220 |
300 |
115 |
|
32 |
220 |
230 |
300 |
115 |
|
40 |
240 |
240 |
315 |
130 |
|
50 |
270 |
300 |
340 |
135 |
|
65 |
300 |
340 |
355 |
150 |
|
80 |
330 |
360 |
370 |
175 |
|
100 |
380 |
450 |
205 |
|
|
125 |
450 |
510 |
235 |
|
|
150 |
500 |
555 |
275 |
|
|
200 |
550 |
640 |
300 |
|
|
250 |
650 |
720 |
335 |
|
|
300 |
800 |
830 |
375 |
|
|
350 |
850 |
880 |
410 |
|
|
400 |
900 |
1020 |
445 |
|
|
500 |
950 |
1080 |
515 |
|
YT43H/Y-16-DN15,YT43H/Y-16-DN20,YT43H/Y-16-DN25,YT43H/Y-16-DN32,YT43H/Y-16-DN40,YT43H/Y-16-DN50
YT43H/Y-16-DN65,YT43H/Y-16-DN80,YT43H/Y-16-DN100,YT43H/Y-16-DN125,YT43H/Y-16-DN150,YT43H/Y-16-DN200,
YT43H/Y-16-DN250,YT43H/Y-16-DN300,CCLAIR,YT43H/Y-16-DN350,YT43H/Y-16-DN400,YT43H/Y-16-DN500,
YT43H/Y-25-DN15,YT43H/Y-25-DN20,YT43H/Y-25-DN25,YT43H/Y-25-DN32,YT43H/Y-25-DN40,YT43H/Y-25-DN50
YT43H/Y-25-DN65,YT43H/Y-25-DN80,YT43H/Y-25-DN100,YT43H/Y-25-DN125,YT43H/Y-25-DN150,YT43H/Y-25-DN200,
YT43H/Y-25-DN250,YT43H/Y-25-DN300,YT43H/Y-25-DN350,YT43H/Y-25-DN400,YT43H/Y-25-DN500,
YT43H/Y-40-DN15,YT43H/Y-40-DN20,YT43H/Y-40-DN25,YT43H/Y-40-DN32,YT43H/Y-40-DN40,YT43H/Y-40-DN50
YT43H/Y-40-DN65,YT43H/Y-40-DN80,YT43H/Y-40-DN100,YT43H/Y-40-DN125,YT43H/Y-40-DN150,YT43H/Y-40-DN200,
YT43H/Y-40-DN250,YT43H/Y-40-DN300,YT43H/Y-40-DN350,YT43H/Y-40-DN400,YT43H/Y-40-DN500,
YT43H/Y-64-DN15,YT43H/Y-64-DN20,YT43H/Y-64-DN25,YT43H/Y-64-DN32,YT43H/Y-64-DN40,YT43H/Y-64-DN50
YT43H/Y-64-DN65,YT43H/Y-64-DN80,YT43H/Y-64-DN100,YT43H/Y-64-DN125,YT43H/Y-64-DN150,YT43H/Y-64-DN200,
YT43H/Y-64-DN250,YT43H/Y-64-DN300,YT43H/Y-64-DN350,YT43H/Y-64-DN400,YT43H/Y-64-DN500,
YT43H/Y-100-DN15,YT43H/Y-100-DN20,YT43H/Y-100-DN25,YT43H/Y-100-DN32,YT43H/Y-100-DN40,YT43H/Y-100-DN50
YT43H/Y-100-DN65,YT43H/Y-100-DN80,YT43H/Y-100-DN100,YT43H/Y-100-DN125,YT43H/Y-100-DN150,YT43H/Y-100-DN200,
YT43H/Y-100-DN250,YT43H/Y-100-DN300,CCLAIR,YT43H/Y-100-DN350,YT43H/Y-100-DN400,YT43H/Y-100-DN500,
YT43H/Y-160-DN15,YT43H/Y-160-DN20,YT43H/Y-160-DN25,YT43H/Y-160-DN32,YT43H/Y-160-DN40,YT43H/Y-160-DN50
YT43H/Y-160-DN65,YT43H/Y-160-DN80,YT43H/Y-160-DN100,YT43H/Y-160-DN125,YT43H/Y-160-DN150,YT43H/Y-160-DN200,
YT43H/Y-160-DN250,YT43H/Y-160-DN300,YT43H/Y-160-DN350,YT43H/Y-160-DN400,YT43H/Y-160-DN500,
