Diaphragm Seals

One of our specialties at Colonial Instruments is Diaphragm Seal products and assemblies. We have extensive diaphragm seal capabilities, which are outlined in our Diaphragm Seal Service section. We are an Authorized Wika Diaphragm Seal Service Center, and stock parts for both threaded and flanged diaphragm seal parts and can quickly build and ship a variety of diaphragm seal configurations. Diaphragm Seals are designed to protect pressure measurement instrumentation from clogging or corrosive media, which may comprise an instrument otherwise. We can provide a wide range of wetted materials including, 316L Stainless Steel, Hastelloy C-276, Titanium, Tantalum, Plastics like PVC, CPVC, PVDF, and PTFE. Let one of our knowledgeable staff help you with selecting the proper diaphragm seal configuration that will work properly and safely with your instrumentation. A properly specified assembly should be corrosion and clogging resistant, function reliably and most important read accurately.