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产品概述：
SVL系列安全阀集泄压阀、旁路阀、背压阀和反虹吸阀的特性于一身的安全阀门。它采用单片扁平特氟龙隔膜，耐腐蚀，防结晶，精度高。
特性：
单隔膜设计，反应快精度高并且维护简单，易调节；
金属和弹性体不接触液体；
热塑性工程塑料加工而成，坚固耐用，耐腐蚀；
可在 5- 100psi范围内连续调节泄压设定值。
材质：
阀体有PVC 、PP、 PVDF、PTFE和不锈钢材料。与液体接触的隔膜PTFE材料。紧固件都是SS304不锈钢。强化塑料制成的大螺栓易于调节压力。
尺寸：
| 管径 NPT | A | B | C | D |
| mm | mm | mm | mm | |
| 1/2" | 60 | 66 | 78 | 18 |
| 3/4" | 80 | 72 | 92 | 22 |
| 1" | 80 | 72 | 92 | 22 |
| 1-1/2" | 100 | 80 | 115 | 35 |
| 1-1/4" | 100 | 80 | 115 | 35 |
| 2" | 120 | 80 | 140 | 45 |
| 2-1/2" | | | | |
规格型号：
| pipe size | PVC | PP | PVDF | PTFE | Stainless steel |
| 1/2" | SVL050T-PV | SVL050T-PP | SVL050T-PF | SVL050T-TF | SVL050T-SS |
| 3/4" | SVL075T-PV | SVL075T-PP | SVL075T-PF | SVL075T-TF | SVL075T-SS |
| 1" | SVL100T-PV | SVL100T-PP | SVL100T-PF | SVL100T-TF | SVL100T-SS |
| 1-1/2" | SVL150T-PV | SVL150T-PP | SVL150T-PF | SVL150T-TF | SVL150T-SS |
| 2" | SVL200T-PV | SVL200T-PP | SVL200T-PF | SVL200T-TF | SVL200T-SS |
| 2-1/2" | SVL250T-PV | SVL250T-PP | SVL250T-PF | SVL250T-TF | SVL250T-SS |
NPT螺纹连接，活结和法兰连接可选，活结连接型号中的T后面加"U"，如SVL050TU-PV，；如选法兰连接，则型号T后面加"F"，如SVL050TF-PV.
