Series 1551 – 1552 – 1553 — diaphragm seals for aggressive fluids

• Body: PVC, PPH, PTFE • PTFE diaphragm • For aggressive and ultra-pure fluids • 0...16 bar • Maximum: 150 °C Series 1551 - 1552 - 1553 seals protect pressure gauges, pressure sensors, pressure switches and others against aggressive fluids (acids and bases). These particularly robust seals perform according to the service conditions (temperature, pressure and fluids) in the various materials PVC, PPH or PTFE. Two flanges clamp a PTFE diaphragm. In this series the upper flange is made of metal (brass or stainless steel). The lower flange, in contact with the aggressive fluid, is made of PVC, PPH or PTFE. The diaphragm is made of PTFE.