DXF-6A,DXF-8A,DXF-10A,DXF-14A,DXF-18A
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.
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主要零件材料 Meterials of Main Parts
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零部件名称 Item
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材料牌号或名称 Material
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阀门 Valve Seat
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Hpb59-1
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钢管 Copper Tube
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TP2
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弹簧 Sping
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不锈钢 Stainless steel
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钢球 Steel Ball
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3Gr13
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I 技术参数 Specifications
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型号
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*大工作压力 Mpa
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耐压 Mpa
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开启压 Mpa
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泄漏量cm³ /min
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流通量cc/min
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2psl 压降的流量（冷却）
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types
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Max WorkingPressure
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Pressure Endurance
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OPening Pressure
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(Air)Leaking Capacity
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Passing Capacity
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Preddure Droy Capacity(tons)
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R-12
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R-22
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R-502
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DXF-6A
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4.5
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21.5
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0.02
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500
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≥750
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3.8
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5
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3.3
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DXF-8A
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4.5
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21.5
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0.02
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500
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≥750
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6.8
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9
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6
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DXF-10A
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4.5
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21.5
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0.05
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500
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≥950
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12.8
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17
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11.3
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DXF-14A
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4.5
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21.5
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0.05
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500
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≥1250
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26.3
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35
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23.5
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DXF-18A
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4.5
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21.5
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0.065
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800
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≥1650
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69.1
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92
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61.8
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I 主要外形尺寸 Dimensions
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型号
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接口内径A
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阀体直径B
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长度L
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Type
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Inner Dimeter of Connection
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Dimeter of Valve Body
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Length(l)
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lnch
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mm
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lnch
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mm
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lnch
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mm
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DXF-6A
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3/8
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9.7
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1/2
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12
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4.7
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120
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DXF-8A
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1/2
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12.8
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5/8
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15.88
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3.7
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95
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DXF-10A
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5/8
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16.1
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7/8
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22
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4.5
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115
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DXF-14A
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7/8
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22.3
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1-1/8
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28.6
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4.5
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115
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DXF-18A
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1-1/8
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28.6
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1-3/8
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35
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5
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127
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