DXF(A)钢球式单向阀是球形弹簧设计，金属和金属密封，钢球周围的直通型流道设计，使小直径的阀体能输出大流量，全部金属设计，允许安装和运行时的高温。
DXF(A) is a spherical ball type check valve spring design,metal andmetal sealing,straight through flow design around the ball,the valvecan output large flow of small diameter,all metal design,installationand operation of the high temperature allowed.
| 主要零件材料 Meterials of Main Parts |
| 零部件名称 Item |
材料牌号或名称 Material |
| 阀门 Valve Seat |
Hpb59-1 |
| 钢管 Copper Tube |
TP2 |
| 弹簧 Sping |
不锈钢 Stainless steel |
| 钢球 Steel Ball |
3Gr13 |
| I 技术参数 Specifications |
| 型号 |
最大工作压力 Mpa |
耐压 Mpa |
开启压 Mpa |
泄漏量cm³ /min |
流通量cc/min |
2psl 压降的流量（冷却） |
| types |
Max WorkingPressure |
Pressure Endurance |
OPening Pressure |
(Air)Leaking Capacity |
Passing Capacity |
Preddure Droy Capacity(tons) |
| |
|
|
|
|
|
R-12 |
R-22 |
R-502 |
| DXF-6A |
4.5 |
21.5 |
0.02 |
500 |
≥750 |
3.8 |
5 |
3.3 |
| DXF-8A |
4.5 |
21.5 |
0.02 |
500 |
≥750 |
6.8 |
9 |
6 |
| DXF-10A |
4.5 |
21.5 |
0.05 |
500 |
≥950 |
12.8 |
17 |
11.3 |
| DXF-14A |
4.5 |
21.5 |
0.05 |
500 |
≥1250 |
26.3 |
35 |
23.5 |
| DXF-18A |
4.5 |
21.5 |
0.065 |
800 |
≥1650 |
69.1 |
92 |
61.8 |
| I 主要外形尺寸 Dimensions |
| 型号 |
接口内径A |
阀体直径B |
长度L |
| Type |
Inner Dimeter of Connection |
Dimeter of Valve Body |
Length(l) |
| |
lnch |
mm |
lnch |
mm |
lnch |
mm |
| DXF-6A |
3/8 |
9.7 |
1/2 |
12 |
4.7 |
120 |
| DXF-8A |
1/2 |
12.8 |
5/8 |
15.88 |
3.7 |
95 |
| DXF-10A |
5/8 |
16.1 |
7/8 |
22 |
4.5 |
115 |
| DXF-14A |
7/8 |
22.3 |
1-1/8 |
28.6 |
4.5 |
115 |
| DXF-18A |
1-1/8 |
28.6 |
1-3/8 |
35 |
5 |
127 |
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