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Diaphragm Seals

Diaphragm seals are used to isolate the primary pressure instrument from a range of process conditions that include corrosion, contaminants, temperature, pressure spikes, vibration and product build up

A diaphragm seal comprises a sealed chamber and a flexible membrane that allows the process pressure to be transmitter hydraulically, via a non compressible fluid, to the primary pressure element. The primary element could be a pressure switch, transmitter or gauge.

A diaphragm seal could also be used to locate the instrument in a more convenient place for operators without the need of long impulse lines that can become blocked
or become a source of error.

Useful links: Pressure Transmitters, Differential Pressure Transmitters.

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S-Comp, Threaded Diaphragm Seal

This design uses a large diaphragm for higher accuracy. The larger surface area of the diaphragm seal enables it to work effectively at the ranges below 0.1 bar.

Great for isolating against temperature, corrosion and vibration. Or simply to enable the positioning of your instrument further away from the process connection.

 

 

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S-Mazut, Threaded Diaphragm Seal

This threaded seal is an ideal choice for isolating instruments for temperature, corrosives or just to shield against pressure spikes and pulsation.

This diaphragm seal is also useful for dealing with thick or viscous mediums like grease where the the small orifice of sensors and switches can get clogged.

 

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S-P, Corrosion Resistant , Flush Faced and Flanged diaphragm Seal

A flush faced diaphragm seal ideally suited to this and coating mediums that would clog conventional diaphragm seal assemblies. It's designed to mount directly customer flanges in axial or radial formats.

The S-P is available as standard in 316SS to suit most applications.

 

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S-Ch, Corrosion Resistant , Flush Faced and Flanged diaphragm Seal

A flush faced diaphragm seal ideally suited to thick, sticky or particle rich mediums that would clog conventional diaphragm seal assemblies. It's designed to mount directly customer flanges in axial or radial formats.

The S-Ch is the corrosion resistant chemical seal version of the S-P diaphragm seal for application requiring special wetted parts including: Teflon, Nickel, Inconel, Monel, Hastelloy, Titanium, Tantalum and many more.

 

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S-T Flush Faced and Flanged diaphragm Seal for Nozzle Mounting

The S-T diaphragm seal is designed to extend through nozzles to meet the inside wall of a vessel or pipe. This ensures there's is no space for media to accumulate and clog the measurement.

breakST-K-P - Self Cleaning Diaphragm Seal

The ST-K-P diaphragm seal has diaphragm cleaning jets angled across the flush face to provide a means to clean the diaphragm seal without ever having to remove it from the process. Being able to clean while in situ is a great way to reduce maintenance costs and increase uptime.

 

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S-Clamp, Sanitary Diaphragm Seal with Tri-Clamp Connection

Sanitary tri-clamp (tri-clover) diaphragm seal with a standard finish of <0.2 um Ra and completed in 316SSL and available in a choice of hygienic fills to suit pharmaceutical, food and beverage, Bio tech and other applications requiring the greatest level of sanitation.

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S-Pozium, Universal Process Connection type Sanitary Diaphragm Seal

The S-Pozium diaphragm seal is a sanitary design designed to mount flush with the inside of process vessels and lines so there is no place for material or washing agents to accumulate.

 

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S-P, Wafer style Diaphragm Seal

Designed to be sandwiched between mating flanges with a radial tapping point. A handy design for tight spaces.

The flush face of this diaphragm seal makes it ideal for highly viscous, crystallizing and clogging mediums. Mounted on remote capillary, as shown, is also a great way to isolate an instrument from high temperatures.

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S-RC High Temperature Diaphragm Seal

A high temperature diaphragm seal for application beyond 250 C. The radiator fins and special fill of the S-RC provides efficient cooling of the internal fluid to enable accurate and reliable measurements of hot process mediums.

The flush face of this design also makes it ideal for thick mediums like bitumen than can get see temperature of 260 C in temperature.

 

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many more to come...


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Measurement Solutions Australia | 02 9894 4300 | sales@measurement-solutions.com