Diaphragm Gauges

We supply, customise, repair and calibrate all ranges of Diaphragm Gauges

UK Based
Custom Products
Fast Delivery

Diaphragm Gauges

Diaphragm gauges are a pressure measuring instrument with a barrier between the process medium and bourdon tube measuring system inside the gauge. This is to keep the process medium from blocking or corroding a standard bourdon tube gauge. Diaphragms can be manufactured in many different exotic materials where the process medium can be very aggressive. They are also perfect for sanitary applications that can be hygienically cleaned. Typical industries would be pharmaceutical, brewing, sterilisation, petrochemical, dairy, food and drink.

S.M. Gauge supply a range of Diaphragm Gauges, widely used across many industries. Below is a selection of many different types we can offer. In addition to our range of standard ‘off the shelf’ instruments we can also supply to your required specification including non-standard connections and even customised dials featuring your company logo.

Tri-clamp Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

RJT Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

IDF Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

SMS Female Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

SMS Male Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

DIN Female Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

DIN Male Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

Varivent Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

Bolted Chemical Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

Welded Chemical Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge.

System...

PTFE Bolted Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

PVC Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

Threaded Plug Diphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

In-Line Hygienic Diaphragm Seal

Diaphragm seals are used in order to prevent process sensitive mediums from entering the internals of a conventional pressure gauge....

Homogenizer Diaphragm Seal C1-C7

Homogenizers are generally used on high pressure applications, where a standard diaphragm would split. It is also designed to prevent aggresive...

Flanged Diaphragm Seal

Flanged diaphreagm seals are used to prevent aggressive or contaminating medium from entering the internals of a conventional pressure gauge.

Available...

Mud Gauge

Specifically designed for thick viscous process mediums. This gauge provides accurate pressure reading with and built in dampening, liquid filling...

Grout Gauge

Our industrial grout gauge caters for applications where a traditional diaphragm-sealed gauge may become blocked. Our standard grout probe was...

Schaffer Diaphragm Gauge

These gauges allow low pressure measurement on liquids were a standard capsule gauge would not be suitable. The diaphragm seal can...

Excellent Customer Service

Dedicated pre and post sales staff

From your first enquiry through to future advice and support, we put customer service at the forefront of our business.

Need help? Contact us!

Leading industry standards

NQA ISO9001 Accredited and Achilles Affiliated

  • UKAS logo
  • Achilles logo
  • NQA UKAS logo
  • BEMA logo
  • QAS International ISO 14001:2025 logo

About S.M. Gauge Co Ltd Vacuum Gauges

We supply, repair and calibrate standard Vacuum Gauges and Absolute Pressure Gauges. All of our gauges can be custom made to suit your application, our dials can be scaled to suit any measuring units you require using our state of the art dialling system. The connections can also be machined to suit your exact specification.

There are two main types of vacuum gauges available: Vacuum Gauges are available in a variety of sizes, from 40mm diameter to 300mm and with a bottom or rear entry connection. They are used primary on applications that run at an operating pressure of between 0 (atmospheric pressure) and -30″Hg (inches mercury) Absolute Gauges are used to measure beyond the pressures of a standard Vacuum Gauge, they are supplied with a 100mm diameter face and are available in a variety of pressures.

We use cookies. Some are necessary to make our site work and others are optional, allowing us to analyse site usage, personalise content and to tailor advertising. These are stored on your device and are placed by us and trusted partners. Find out more in our cookie policy.