PRIMET Co., Ltd.
Primet 的波纹管阀为了防止螺丝构造的芯柱免遭腐蚀，采用完全阻隔外部空气的构造，不让媒介的接液部分接触外部气体。小型的PSBV系列阀体是由SUS316L制成，流出口的直径有4.5mm~12mm种类齐全。另外，大型的PLBV系列是锻造波纹管阀，流出口尺寸有8mm~20mm种类齐全，适用于高流量的用途。 Materials of Construction
| No. | Part name | Qty | Materials |
|---|---|---|---|
| 1 | Handle Cover | 1 | Nylon |
| 2 | Stem Nut | 1 | St. St. 304 |
| 3 | Locking Washer | 1 | St. St. 304 |
| 4 | Handle | 1 | Nylon(Aluminium PLBV series) |
| 5 | Position Indicator | 1 | Nylon |
| 6 | Stem Locking Ring | 1 | St. St. 304 |
| 7 | O-ring | 1 | Viton® (fluorocarbon KFM) |
| 8 | Actuator | 1 | St. St. 316L |
| 9 | Bonnet | 1 | St. St. 304 |
| 10 | Bonnet Gasket | 1 | PCTFE(PTFE, PCTFE PLBV series) |
| 11 | Bellows | 1 | St. St. 316L |
| 12 | Stem | 1 | St. St. 316L |
| 13 | Disk | 1 | PCTFE / (PTFE PLBV series) |
| 14 | Body | 1 | St. St. 316L |
| PSBV系列 | PLBV系列 | |
|---|---|---|
| Pressure Test | 1.5 X Max work pressure | 1.5 X Max work pressure |
| Helium Leak Test | ＜7 X 10-10Pa.㎥/sec (7 X 10-9Atm cc/sec) |
＜1 X 10-6Pa.㎥/sec (1 X 10-5Atm cc/sec) |