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Application
For non-corrosive gaseous and
liquid media. With open connecting
flange also suitable for viscous and
polluted media.
! When measuring gas or vapour,
the instruments must be used
in accordance with the safety
recommendations of EN 837-2
(see appendix).
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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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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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Application
For use with Bourdon tube pressure
gauges, pressure transducers
or pressure switches.
For corrosive, viscous, polluted or
hot media.
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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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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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The model P91/SE Schaffer Diaphragm gauges are manufactured with a special DMC (Dough Moulding Compound) safety case and are designed for use on slurries, viscous or corrosive fluids that would normally attack or block standard bourdon tubes.
Implementing specialist materials for both the connection and diaphragm enable the Shaffer Diaphragm gauge to be configured for use on any gaseous or liquid media including suspended solids or powders. The direct drive from the diaphragm to the movement ensures a more positive indication of pressure than other models of tube gauges.
Offering a full range of flanged connection sizes and materials, Schaffer Diaphragm gauges can operate at pressure ranges as low as 30 mBar with the option to permit units to withstand a maximum pressure of 70 bar.
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In certain cases, many applications require the
pressure transmitter to be separate from the fluid to
be measured. As a solution, APLITEX offers a
separator seal.
Examples of application:
- Fluid temperature is outside the limits
specified on the transmitter
- The fluid is corrosive
- The fluid is of high viscosity or contains solids
in suspension
- Processes requiring quick cleaning
Types:
- Diaphragm type
- Cell type
- Flange type
- Quick release type
Mounting:
- Directly to transmitter
- Through capillary
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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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Diaphragm seals use a flexible barrier, or diaphragm, to isolate a pressure sensor (such as a gauge or transmitter) from the process fluid. REOTEMP diaphragm seals are available in many configurations. Selection of the proper seal for a given application is very important for safety and performance. We will be glad to assist you in selection of the most effective seal system for your application.
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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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- Extensional diaphragm seal type
- Flange rating: 1"~4"
- Material: SS316, H.C.
- Range: On request
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| ... products without technical information |
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VACUUBRAND diaphragm pumps are totally oil free, mechanical vacuum pumps. Diaphragm pumps are the efficient and environmentally friendly alternative to water jet pumps. They do not consume water and, therefore, they do not produce contaminated waste water. Diaphragm pumps can be used in a multitude of applications for vacuum generation in laboratories and process plants, such as vacuum filtration, vacuum degasing, vacuum impregnation, vacuum drying chambers, rotary evaporators, distillation, gel dryers, gas analytical systems and roughing of wide-range turbo molecular pumps.
Diaphragm pumps offer low ultimate vacuum down to 80 mbar (one-stage pumps), 9 mbar (two-stage pumps), 2 mbar (three-stage pumps) or 0.3 mbar (four-stage pumps). Optimized kinetics for minimum work and wear of the diaphragm result in high reliability, low scuffing, long life and low noise level of the diaphragm. Only selected resistant materials such as FPM (e.g. Viton® fluoroelastomers) and aluminium or PTFE compounds - depending on the version - are used for the gas and vapour contacted parts.
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If you need a small, quiet source of vacuum or pressure, you'll find the unit for your application in our line of oilless diaphragm air compressors and vacuum pumps.
• Bonded connecting rod and bearing assembly provides strength and durability
• Standard and miniature models are available for a wide range of performance options
• Chemical resistant materials on miniature models provide for superior corrosion resistance
• Several options for AC and DC motors are available to satisfy virtually any electrical requirement
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KNF diaphragm vacuum pumps for air and neutral, slightly aggressive or corrosive gases and vapours offer the right choice for many applications. Irrespective of size, the special features of the diaphragm are built into every pump: uncontaminated transfer , no pollution of the media, maintenance-free and gas tightness. Application e.g. used as a roughing pump for turbo molecular pumps.
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| ... products without technical information |
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Both Compressor and Vacuum pump are available.
Model 8018Gt : Max flow rate is from 2L/min to
4L/min. 24v as rated voktage. Pressure range
-75 ~ +170 kPa : 35 (w) x 90(h) x 98.9 (L) mm
Wetted parts is recommend on fluid material.
Motor is brushless motor and long life.
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| ... products without technical information |
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Series 700 actuators are pneumatic diaphragm operators that offer spring return in either direct or reverse acting styles, offering fail-open and fail-closed modes respectively.
The actuators may be fitted with a variety of springs in order to overcome the wide range of forces that may exist on a valve plug. An adjusting mechanism is incorporated into the actuator design to allow for adjustment of the spring pre-compression.
The series 700 actuator is available in 60, 100 and 160 square inches of effective diaphragm area and may accommodate up to five inches of travel.
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Rotary Diaphragm Actuators
Product Description
Design Features: DeZURIK diaphragm actuators are designed specifically for use on quarter-turn valves. They feature all steel, cast iron and stainless steel construction for corrosion resistance in caustic environments. The actuators are designed for on-off or modulating service in either a fail-open or fail-closed mode. Action can be easily changed in the field with no additional parts required. The spring cartridge is caged at the factory for increased safety. The output shaft is supported at the top and bottom with bronze bearings that absorb side thrust and insure smooth, efficient, and accurate throttling control.
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Solenoid valves and micro pumps for preferred use in analytical, medical or biotechnical applications.
On/Off and control valves for application with neutral, aggressive and high-purified media
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1. 4.2mm square: 4.2¡Á4.2¡Á23.1mm*1
An innovative and groundbreaking ultra-small solenoid valve - can be mounted in the smallest of spaces, minimizing the manifold size and shortening the length of flow paths.
*1 Dimensions for FV-2-MFG, not including wire connections
2. Diaphragm valve
Excellent chemical resistance ¨C PEEK and Perfluorelastomer are used for wetted materials (materials can be changed according to your requirements).
3. Internal volume only 1.1¦Ìl*2
Through pursuing miniaturization to the uttermost limits, internal volume is now only 1.1¦Ìl ¨C contributes to reductions in reagent and sample quantities and improvements in analysis accuracy.
*2£ºvalue for FV-2-MFGA(B). FV-2-N1G: 4.3¦Ìl¡¢FV-2-MFG: 1.5¦Ìl
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6 mm-slim diaphragm-isolated solenoid valve
KV Series
6mm Slim Design
This small valve enables you to reduce not only the installation space but also internal pipe length of your manifold by making it possible to mount at 6mm intervals.
- Capacity for Bilateral Connection
Easy to make manifolds
- Small Internal Volume
Only 10 micro liters (each port)
- Excellent Chemical Resistance
PEEK molded body and Perfluoroelastomer diaphragm
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