包氟橡胶O型圈耐腐蚀包氟橡胶O型圈供应包氟橡胶O型圈包氟橡胶O型圈供应商包氟橡胶O型圈耐腐蚀包氟橡胶O型圈供应包氟橡胶O型圈包氟橡胶O型圈供应商
聚四氟包覆密封 FEP/PFA Encapsulated O-Ring
产品简介products introduction:
包覆O型圈,也称作“包氟O型圈”, 外部采用FEP或PFA特种耐高温氟塑料,内部包覆弹性橡胶(氟胶/硅胶等)Q型圈经以特殊工艺复合而成的密封产品
Teflon Encapsulated rings are the seal products which are produced through the special composite procedure,adopting special high temperature-resistant fluorine rubber and plastics.Inner core with silicone rubber/fluorine rubber, outside coating with fluorine plastic(FEP/PFA).
形状Shape:圆形或矩形Round or Rectangular
产品特点Features:
? 优异的耐腐蚀,几乎适用于所有化学介质
? Good corrosiveness resistance ,supper chemical resistance, can resistant nearly all the chemical medium.
? 优异的密封性能及长寿命
? Good sealing effect &long service time .
? 符合环保卫生要求
? Can meet the environmental protection requirements.
? 耐高温,FEP: 200度 PFA 260度
? Heatproof and wide temperature range.FEP:200 PFA:260
? 低摩擦系数,耐磨
? Good wear-resistance.
? 良好的耐压缩性能
? Good shrinking-resistance.
包覆产品的特点
Features of YRK Encapsulated O-Ring
外层材质The outer material:
外层FEP/PFA管均采用进口原料生产
Outer FEP/PFA materials adopt imported raw materials.
FEP主要性能指标FEP main performance index:
项目items | 指标index |
相对密度Relative density | 2.14~2.17 |
拉伸强度tensile strength(纵向vertical)Mpa | ≥250 |
断裂拉伸应变Fracture strain (纵向vertical ) | ≥20% |
使用温度operating temperature: | -80℃~+200℃长期使用long period working |
PFA主要性能指标PFA main performance index
项目items | 指标index |
相对密度relative density | 2.12~2.17 |
拉伸强度tensile strength(纵向vertical)Mpa | ≥18.0 |
断裂拉伸应变Fracture strain (纵向vertical) | ≥20% |
使用温度operating temperature: | -80℃~+260℃长期使用long period working |
内层橡胶材质The inner layer rubber materials:
内层橡胶采用优质原料生产,按以下标准执行
Adopting quality raw materials,according to
the following standards:
氟橡胶 E-60C级
Fluorine Rubber Grade E-60C
硅橡胶 ZZR 765B级
Silicone Rubber Grade ZZR765B
硬度Hardness:
硅橡胶Silicone Rubber: 85-90
氟橡胶Fluorine Rubber: 90-95
尺寸精度dimensional precision:
YH 包覆产品采用新工艺生产,制造各过程采用专机和专用工装,可以保证产品尺寸的精度和一致性。
YH 包覆产品实际尺寸精度保持在国家标准以上,
YH encapsulated products adopt new technology of
production,with special machine for special using in each manufacturing process,and we can ensure the accuracy of products size precision.
附Attachment:JB/T 10706-2007 机械密封用全包覆橡胶O型圈尺寸和公差要求(部分)
JB/T 10706-2007 mechanical seal with full coating sealing ring.(part of the items)
丝径 CS-Diameter | 公差 Tolerance | 丝径 CS-Diameter | 公差 Tolerance | 丝径 CS-Diameter | 公差 Tolerance |
1.78(0.070) | ±0.08 | 4.50(0.177) | ±0.10 | 8.40(0.330) | ±0.15 |
2.00(0.078) | ±0.09 | 4.70(0.185) | ±0.10 | 9.50(0.375) | ±0.15 |
2.62(0.103) | ±0.09 | 5.00(0.196) | ±0.10 | 10.00(0.393) | ±0.15 |
3.00(0.118) | ±0.10 | 5.33(0.210) | ±0.13 | 12.00(0.472) | ±0.15 |
3.20(0.125) | ±0.10 | 5.70(0.225) | ±0.13 | 16.00(0.630) | ±0.15 |
3.53(0.139) | ±0.10 | 6.99(0.275) | ±0.15 | 18.00(0.708) | ±0.15 |
4.00(0.157) | ±0.10 | 8.00(0.312) | ±0.15 | 20.00(0.787) | ±0.15 |
内径及公差 ID and tolerance | |||||
内径 ID | 公差Tolerance | 内径 ID | 公差Tolerance | 内径 ID | 公差Tolerance |
ID<40 | ±0.15 | 67 ≤ ID≤147 | ±0.38 | 180 ≤ ID≤400 | ±0.80 |
40﹤ID≤66 | ±0.25 | 150 ≤ ID≤175 | ±0.58 | 412﹤≤ ID≤500 | ±1.50 |
﹥500 | ±2.00 |
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性能标准 YH包覆O型圈性能按以下国家标准执行
Performance Standard:YRK according to the following National Standard.
| 指标index | ||
硅橡胶Silicone Rubber | 氟橡胶Fluorine Rubber | ||
拉伸强度 tensile strength Mpa | ≥13 | ||
邵氏硬度 A hardness Shore A | ≤95 | ||
压缩回弹率 % Compression Spring rate% | 压缩率5%、时间 24H、常温 compression ratio 5% Time 24H The normal temperature | ≥91 | ≥89 |
压缩率10%、时间 24H、常温 compression ratio 10% Time 24H The normal temperature | ≥90 | ≥88 | |
压缩率15%、时间 24H、常温 compression ratio 15% Time 24H The normal temperature | ≥89 | ≥87 | |
压缩永久变形(压缩率15%)% the compression permanent deformation%(compression ratio%) | 温度100℃、时间 70h Temperature 100℃ Time 70h | ≤25 | ≤23 |
温度175℃、时间 70h Temperature 175℃ Time 70h | ≤40 | ≤30 | |
密封性(在100℃的水中浸泡10分钟) Sealing (In water soak for 10 minutes) | 不得有气泡溢出 Can not have bubbles overflow |
质量保证Quality assurance:
? 整个制造过程严格按控制计划、作业标准进行
? Each item is under strict processing
? 制造各流程采用专机、专用工装
? The special machine for special using goes through each manufacturing process.
? 车间作业环境参照无尘车间标准
? Job shop environment with reference to Standard dustless workshop .
? 完善、完整的检验、检测仪器
? Perfect complete inspection testing instrument.