黄铜阀杆,塑料阀体。阀杆长47.5MM。内部有陶瓷动片和静片,陶瓷耐磨损,耐腐蚀。内部安入了左右转换器!
技术参数: | Technical data: |
最高使用温度:90°C | Max.temperature:90°C |
最大旋转角度:90° | Max.turn angle :90° |
扭力矩实验:0.3-0.4N.m(静压为0时) | Lever tongue test:0.3-0.4n.m(static pressure is zero ) |
噪音测试:3bar压力下小于20分贝(带消音网) | Noise test;Max20 db at 3 bar(with noise reducer ) |
工作压力:最大1.2Mpa | Working pressure :Max 1.2MPa |
把手破坏力矩:大于15N.m | Lever break tonque:15Nm |
空气密时实验0.8M.pa(100%适个试验) | Sealing test :0.8Mpa (fully tested one by one ) |
最大耐压:静水压30巴 | Max pressure :water static pressure max3Mpa |
寿命试验:按EN817,GB18145-2011标准试验大于30万次 | Life test:ording to the En 817,Gb18145-2011 standard>300,000cycles, |
按ASMEA112,18—2011标准试验大于50万次 | ording to the ASME A112,18.1-2011 standard>500,000cycles |
陶瓷片:硬度:大于1150Hv5 | Ceramic disc;Hardness>1150HVS |
平面度:0.6um | Flatness:0.6um |
粗糙度:Ra0.25um | Roughness:Ra0.25um |
孔隙度:60-80% | Porosity:60-80% |
爆破压力试验Burst test
测试项目 Test item | 出水口状态 Outlet status | 压力 Pressure(Mpa) | 时间 Time(S) | 技术要求 Technical Requirement |
进水部位 inlet | 打开 open | 2.6 | 60 | 无变形,无漏水 No delomation No leakage |
0.4 |
出水部 outlet | 关闭 close | 1.8 | 60 | 无变形,无漏水 No delomation No leakage |
0.4 |
密封性能试验Sealing test | |
测试项目 Test item | 出水口状态 Outlet status | 压力 Pressure(Mpa) | 时间 Time(S) | 技术要求 Technical Requirement |
进水部位 inlet | 打开 open | 1.8 | 60 | 无漏水 No leakage |
0.4 |
出水部 outlet | 关闭 close | 1.5 | 60 | 无漏水 No leakage |
0.4 |
流量在不同压力下的变化:
Flow rate changes under different pressure
压力(bar) Pressure(bar) | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 |
流量平均值(l/min) Average flow rate (L/min) | 10.2 | 16.3 | 20.2 | 26.6 | 28.7 | 33.2 | 36.8 |
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Technique index ¶meter
◊Usage elucidation
c | | | |
Relation between pressure and flow rate |
Pressure(Mpa) | 0.05 | 0.1 | 0.15 | 0.2 | 0.25 | 0.3 | 0.35 | 0.4 | 0.45 | 0.5 |
Average flow rate | 16.8 | 22.9 | 28.0 | 32.5 | 36.0 | 38.7 | 40.6 | 42.4 | 43.3 | 47.6 |
Fitting method | Screw connecting G3/4 " |
◊Performance test
The strength test | Static pressure 3.5Mpa | Torque test | ≥15Nm |
Left and right rotation torque Nm when static pressure is zero | 0.15-0.25Nm |
Sealing test | Static pressure | Air | High pressure | 1.0Mpa |
Low pressure | 0.02Mpa |
Cold water | High pressure | 2.5Mpa |
Low pressure | 0.05Mpa |
Dynamic pressure | 0.3Mpa |
Life test | 500,000 open and close cycles |
◊Ceramics
Technique requestment of ceramics |
Sealing face of ceramic disc | Hardness | ≥1050HV5 | Roughness | ≤Ra0.2um |
Flatness (light band) |