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Badotherm seals are available in stainless steel AISI316 as standard. They can also be manufactured in all known exotic materials. Naturally, our seals can be supplied with 3.1.B and other material identification certificates. The smallest diaphragm diameter offered is 23 mm / 1” and the biggest diaphragm is 89 mm / 3½”. At these dimensions the lowest possible measurement for a chemical seal mounted to a gauge pressure transmitter is 10 mbar and we can even reach as low as 2 mbar for a DP measurement. We offer a temperature range from –140 °C to a maximum temperature of 400 °C. With a wide choice of system fill fluids and diaphragm materials, the Badotherm chemical seal range is the most flexible and extensive available in the industry.
Badotherm seals can be added to virtually any pressure measuring device. Pressure gauges, transmitters, sensors and switches are all compatible. The purpose of a chemical seal is to protect instrumentation from extreme temperatures, and from aggressive, highly viscous, corrosive, heterogeneous abrasive, and toxic media’s. Chemical seals enable not only, hygienic connection of measuring instruments in the process industry, but can also be used for simple wastewater applications or more highly sophisticated process- and petrochemical applications
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Applications:
- Biochemical and pharmaceutical industry
- Sterile process technology
- Food and beverage industry
Special Features:
- Neumo BioControl® connection
- No dead space
- Hygienic design
- Materials and surface finish according to the guidelines and standards of the pharmaceutical industry
- 3-A certified and FDA approved
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● Instrument Connection: female thread 1/4" to 1/2" BSP or NPT
● Membrane Size: ø45,ø75 available
● Process Connection: 1/4" to 1/2" thread BSP or NPT
● Temperature Limited: -40~+150ºC cooling element or capillary line up to 350ºC
● Pressure Range Limited: maximum up to 40kg/cm²; minimum -760mmHg~0(ø75 membrane), -1~3kg/cm²(ø45 membrane)
● Material: upper & lower housing SS316(standard), others on request
● Membrane: SS316L(standard), options-Hastelloy C276, tantalum and others on request
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plane, special materials, 40 bar max
plane, stainless steel and special materials, 400 bar max
plane with assemblage wafer, stainless steel and special materials, 160 bar max
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Ashcroft® pressure gauges can be found in hundreds of industries and on millions of products. They are used in industries such as oil, chemical, wastewater, pharmaceutical, food, semiconductor and more. Ashcroft pressure gauges are available in dial sizes from 23 mm to 12 inches; in ranges from inches of water to 100,000 psi; in dozens of different case types and materials; and with thousands of options.
Along with pressure gauges, Dresser Instruments offers a wide variety of Ashcroft diaphragm seals and instrument isolators to meet the needs of processing plants and facilities. Customers can select from a variety of configurations from capsule type, welded or bonded and clamped designs with threaded, flanged and flushing connections just to name a few. Diaphragm seal materials are available for all types of applications and have been designed to work seamlessly with other Ashcroft products.
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Diaphragm Seals with Thread or with Flange Connection, Models MDM 7210, 7211 and 7280
Chemical seals models MDM 7210 and 7211 consist of three separate parts: the upper housing with welded diaphragm, the lower housing and the attachment flange.
Different materials can be combined, and different connection types and sizes. This way, our chemical seals series MDM 72.. are available in suitable variations for innumerable applications and media.
The construction and function of these models are similar, but the allowed minimum and especially the maximum pressures differ.
MDM 7280 is constructed for higher pressure (400 or 600 bar). It has no separate attachement flange as the other models, but the upper and the lower housing are tied directly together by 6 bolts M 20.
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- Extensional diaphragm seal type
- Flange rating: 1"~4"
- Material: SS316, H.C.
- Range: On request
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WISKA QUIXX. Push in, pierce through, ready.
There is no easier way to insert a cable with protection grade IP 66. For QUIXX we transferred the soft membrane technique from junction boxes to cable inserts.
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