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|  二片式不锈钢内螺纹球阀 |  
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| 性能规范 Specifications | 
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| 公称通径 | DN(mm) | 6~100mm |  
| 公称压力 | PN(MPa) | 2.5 | 4.0 | 6.4 |  
| 试验压力 | 强度试验压力 | 3.8 | 6.0 | 9.6 |  
| 高压密封试验压力 | 3.0 | 4.8 | 7.6 |  
| 低压气密封试验压力 | 0.6 | 0.6 | 0.6 |  
| 适用介质 | 水、蒸汽、油品、酸类腐蚀性等。 |  
| 适用温度 | < 150℃(PTFE) < 300℃(PLL) |    | 
| 主要零件材料 Materials of main parts | 
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| NO | 零件名称 | PART NAME | 材料(MATERIAL) |  
| 1 | 阀体 | Body | CF8M CF8 WCB |  
| 2 | 阀盖 | Cap | CF8M CF8 WCB |  
| 3 | 阀座 | Seat | RPTFE |  
| 4 | 球 | Ball | SS304 SS316 |  
| 5 | 密封垫 | Seal Gasket | PTFE |  
| 6 | 阀杆密封 | Stem Seal | PTFE |  
| 7 | 阀杆 | Stem | SS316 |  
| 8 | 阀杆填料 | Stem Packing | PTFE |  
| 9 | 填料压盖 | Packing gland | SS304 |  
| 10 | 弹性垫圈 | Spring washer | SS301 |  
| 11 | 手柄 | Handle | SS304 |  
| 12 | 螺母 | Stem Nut | SS304 |    | 
| 主要外型和连接尺寸 Main Extemal and Connecting Dimensions | 
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| DN | G | B | L | E | H | A |  
| 6 | 1/4" | 8 | 60 | 11.5 | 52 | 105 |  
| 10 | 3/8" | 10 | 65 | 11.5 | 52 | 105 |  
| 15 | 1/2" | 15 | 63 | 14 | 65 | 130 |  
| 20 | 3/4" | 20 | 74 | 15 | 70 | 130 |  
| 25 | 1" | 25 | 87 | 15 | 78 | 150 |  
| 32 | 11/4" | 32 | 101 | 18 | 82 | 180 |  
| 40 | 11/2" | 38 | 110 | 19 | 90 | 200 |  
| 50 | 2" | 50 | 123 | 19 | 98 | 200 |  
| 65 | 21/2" | 64 | 165 | 23 | 140 | 240 |  
| 80 | 3" | 80 | 190 | 25 | 135 | / |  |