YK43F/X-16,YK43F/X-25,YK43F/X-40,YK43F/X-64,YK43F/X-100,YK43F/X-160,气体减压阀
YK43F/X气体减压阀结构特点和用处
本减压阀属于先导活塞式减压阀。由主阀和导阀两部分组成。主阀主要由阀座、主阀盘、活塞、弹簧等零件组成。
导阀主要由阀座、阀瓣、膜片、弹簧、调节弹簧等零件组成。通过调节调节弹簧压力设定出口压力、利用膜片传感出口压
力变化，通过导阀启闭驱动活塞调节主阀节流部位过流面积的大小，实现减压稳压功能。
本产品主要用于气体管路，如空气、氮气、氧气、氢气、液化气、天然气等气体。
YK43F/X气体减压阀主要技术参数和性能指标
| 公称压力(Mpa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
| 壳体试验压力(Mpa)* |
2.4 |
3.75 |
6.0 |
9.6 |
15.0 |
24 |
| 密封试验压力(Mpa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
| 最高进口压力(Mpa) |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
| 出口压力范围(Mpa) |
0.1-1.0 |
0.1-1.6 |
0.1-2.5 |
0.5-3.5 |
0.5-3.5 |
0.5-4.5 |
| 压力特性偏差(Mpa)△P2P |
GB12246-1989 |
| 流量特性偏差(Mpa)P2G |
GB12246-1989 |
| 最小压差(Mpa) |
0.15 |
0.15 |
0.2 |
0.4 |
0.8 |
1.0 |
| 渗漏量 |
X/F(聚四氟乙稀/橡胶)：O Y(硬密封)：GB12245-1989 |
*：壳体试验不包括膜片、顶盖
YK43F/X气体减压阀主要零件材料
| 零件名称 |
零件材料 |
| 阀体 阀盖 底盖 |
WCB/FCB* |
| 阀座 阀盘 |
2Cr13/304* |
| 缸套 |
2Cr13/25(镀硬铬)/304* |
| 活塞 |
2Cr13/铜合金/铜合金* |
| 活塞环 |
合金铸铁/对位聚苯* |
| 导阀座 导阀杆 |
2Cr13/304* |
| 膜片 |
1Cr18Ni9Ti |
| 主阀 导阀弹簧 |
50CrVA |
| 调节弹簧 |
60Si2Mn |
| 密封垫(X/F型号) |
橡胶/聚四氟乙稀 |
| 导阀体 导阀盖 |
25/304* |
*：用于氧气介质时的材料
流量系数(Cv)
| DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
500 |
| Cv |
1 |
2.5 |
4 |
6.5 |
9 |
16 |
25 |
36 |
64 |
100 |
140 |
250 |
400 |
570 |
780 |
1020 |
1500 |
YK43F/X气体减压阀外形尺寸(PN1.6-4.0 单位：mm
| 公称通径DN |
外 形 尺 寸 |
| L |
H |
Hl |
| 1.6/2.5MPa |
4.0MPa |
| 15 |
160 |
180 |
290 |
90 |
| 20 |
160 |
180 |
300 |
98 |
| 25 |
180 |
200 |
300 |
110 |
| 32 |
200 |
220 |
300 |
110 |
| 40 |
220 |
240 |
320 |
125 |
| 50 |
250 |
270 |
320 |
125 |
| 65 |
280 |
300 |
325 |
130 |
| 80 |
310 |
330 |
365 |
160 |
| 100 |
350 |
380 |
365 |
170 |
| 125 |
400 |
450 |
475 |
200 |
| 150 |
450 |
500 |
475 |
210 |
| 200 |
500 |
550 |
515 |
240 |
| 250 |
650 |
560 |
290 |
| 300 |
800 |
705 |
335 |
| 350 |
850 |
745 |
375 |
| 400 |
900 |
780 |
405 |
| 450 |
900 |
730 |
455 |
| 500 |
950 |
835 |
465 |
YK43F/X气体减压阀外形尺寸(PN6.4-16.0) 单位：mm
| 公称通径DN |
外 形 尺 寸 |
| L |
H |
Hl |
| 6.4MPa |
10.0/16.0MPa |
| 15 |
180 |
180 |
300 |
100 |
| 20 |
180 |
200 |
310 |
105 |
| 25 |
200 |
220 |
31 |
120 |
| 32 |
220 |
230 |
310 |
120 |
| 40 |
240 |
240 |
335 |
135 |
| 50 |
270 |
300 |
335 |
135 |
| 65 |
300 |
340 |
340 |
140 |
| 80 |
330 |
360 |
380 |
170 |
| 100 |
380 |
380 |
185 |
| 125 |
450 |
490 |
215 |
| 150 |
500 |
490 |
225 |
| 200 |
550 |
535 |
260 |
| 250 |
650 |
580 |
310 |
| 300 |
800 |
725 |
355 |
| 350 |
850 |
765 |
395 |
| 400 |
900 |
800 |
435 |
| 500 |
950 |
|
855 |
495 |
YK43F/X-16-DN15,YK43F/X-25-DN15,YK43F/X-40-DN15,YK43F/X-64-DN15,YK43F/X-100-DN15,YK43F/X-160-DN15,
YK43F/X-16-DN20,YK43F/X-25-DN20,YK43F/X-40-DN20,YK43F/X-64-DN20,YK43F/X-100-DN20,YK43F/X-160-DN20,
YK43F/X-16-DN25,YK43F/X-25-DN25,CCLAIR,YK43F/X-40-DN25,YK43F/X-64-DN25,YK43F/X-100-DN25,YK43F/X-160-DN25,
YK43F/X-16-DN32,YK43F/X-25-DN32,YK43F/X-40-DN32,YK43F/X-64-DN32,YK43F/X-100-DN32,YK43F/X-160-DN32,
YK43F/X-16-DN40,YK43F/X-25-DN40,YK43F/X-40-DN40,YK43F/X-64-DN40,YK43F/X-100-DN40,YK43F/X-160-DN40,
YK43F/X-16-DN50,YK43F/X-25-DN50,YK43F/X-40-DN50,YK43F/X-64-DN50,YK43F/X-100-DN50,YK43F/X-160-DN50,
YK43F/X-16-DN65,YK43F/X-25-DN65,YK43F/X-40-DN65,YK43F/X-64-DN65,YK43F/X-100-DN65,YK43F/X-160-DN65,
YK43F/X-16-DN80,YK43F/X-25-DN80,YK43F/X-40-DN80,YK43F/X-64-DN80,YK43F/X-100-DN80,YK43F/X-160-DN80,
YK43F/X-16-DN100,YK43F/X-25-DN100,YK43F/X-40-DN100,YK43F/X-64-DN100,YK43F/X-100-DN100,YK43F/X-160-DN100,
YK43F/X-16-DN125,YK43F/X-25-DN125,YK43F/X-40-DN125,YK43F/X-64-DN125,YK43F/X-100-DN125,YK43F/X-160-DN125,
YK43F/X-16-DN150,YK43F/X-25-DN150,YK43F/X-40-DN150,YK43F/X-64-DN150,YK43F/X-100-DN150,YK43F/X-160-DN150,
YK43F/X-16-DN200,YK43F/X-25-DN200,YK43F/X-40-DN200,YK43F/X-64-DN200,YK43F/X-100-DN200,YK43F/X-160-DN200,
YK43F/X-16-DN250,YK43F/X-25-DN250,YK43F/X-40-DN250,YK43F/X-64-DN250,YK43F/X-100-DN250,YK43F/X-160-DN250,
YK43F/X-16-DN300,YK43F/X-25-DN300,YK43F/X-40-DN300,YK43F/X-64-DN300,YK43F/X-100-DN300,YK43F/X-160-DN300,
YK43F/X-16-DN350,YK43F/X-25-DN350,YK43F/X-40-DN350,YK43F/X-64-DN350,YK43F/X-100-DN350,YK43F/X-160-DN350,
YK43F/X-16-DN400,YK43F/X-25-DN400,CCLAIR,YK43F/X-40-DN400,YK43F/X-64-DN400,YK43F/X-100-DN400,YK43F/X-160-DN400,
YK43F/X-16-DN500,YK43F/X-25-DN500,YK43F/X-40-DN500,YK43F/X-64-DN500,YK43F/X-100-DN500,YK43F/X-160-DN500,
