
升降式止回阀
- Product description
性能规范
公称压力PN(MPa) |
1.6 |
2.5 |
4.0 |
||
试验压力(MPa) |
壳体硬度试验 |
2.4 |
3.75 |
6.0 |
|
密封试验(液) |
1.76 |
2.75 |
4.4 |
||
密封试验(气) |
0.5~0.7 |
||||
适用介质 |
水、蒸汽、油品 |
硝酸类 |
油 |
||
适用温度℃ |
≤425 |
≤100 |
≤550 |
||
主要零部件材料
序号 |
零件名称 |
材质 |
|
ASTM |
GB |
||
1 |
阀体 |
WCB, WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
2 |
阀瓣 |
WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
WCB,WC1,WC6,WC9,C5 CF8,CF8M,CF8C,CF3,CF3M |
3 |
双头螺柱 |
A193-B7,A320-B8,A193-B8M |
35CrMoA,25Cr2MoV,0CM8Ni9,0Cr17Ni12Mo2 |
4 |
六角螺母 |
A194-2H,A194-8,A194-8M |
45,35CrMoA,25Cr2MoV, 0Cr18Ni9,0Cr17Ni12Mo2 |
5 |
垫片 |
柔性石墨+不锈钢 |
柔性石墨+不锈钢 |
6 |
阀盖 |
A105,F11,F22,F5,F9 F304, F316, F321, F304L, F316L |
25,1Cr18Ni9Ni,0Cr18Ni12Mo2Ti 20Cr1Mo1V,25Cr2MoV |

Factory direct sales/quality assurance/cash supply
Marketing network is the basis of enterprises occupy the market, win the competition
Product has a complete quality assurance, and outstanding cost performance
TEL:15822576587
E-Mail:47567183@qq.com
Address:Tianjin binhai new area of Marine high-tech development zone, 519 huashan road