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Daughtridge Sales Co., Inc.
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Toll Free: 800-967-7507 • Fax: 252-977-2192
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US Gauge Diaphragm Seals |
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Type EW Series
Economy Diaphragm Seals
• All welded 316 SST construction meets EPA 1990 Clean
Air Act Standards
- No gasketing
No bolting
• Materials available for corrosive applications
• Ideal for low pressure applications
Superior low pressure response with
.002” thick
diaphragm
- Minimum volumetric displacement where
process
temperatures exceed 250°F (121°C)
• Seal ratings to 5000 psig (345 bar)
• Compatible with most 100 mm and
smaller gauges
PRODUCT DATA SHEETS
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Type ES Series
Economy Diaphragm Seals
• Economical
• Ideal for protecting pressure gauges
• Compatible with most 3.5” and smaller gauges
• Seal ratings from 60 to 2000 psig (4 to 138 bar)
PRODUCT DATA SHEETS
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Type L Series
Diaphragm Seal Elements
For Low Pressure
Applications
• Removable elastomer diaphragms
- Ideal for low pressure sensitivity bellows and diaphragmtype
gauges
• Materials available for corrosive applications
• Superior low pressure response
Pressures as low as 2” H2O
• Large volumetric displacement
1.38 cubic inches
• Seal ratings to 5000 psig (345 bar)
PRODUCT DATA SHEETS
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Type R Series with
Removable Metal
Diaphragm Seal
• Removable metal diaphragm
- Self-gasketing simplifies field maintenance
- Extends seal service life
- Low operating costs
• Materials available for corrosive applications
• Ideal for general purpose applications
- .07 cubic inch volumetric displacement
• Seal ratings to 5000 psig (345 bar)
• Continuous duty seal element
PRODUCT DATA SHEETS
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Type S Series
General Purpose
Diaphgram Seal
• Diaphragm directly welded to upper flange
- Eliminates retaining ring
- Minimizes risk of leaks
• Continuous duty
• Ideal for general purpose application
• Materials available for corrosive applications
• Seal ratings to 10,000 psig (690 bar)
• Compatible with most 4.5” and smaller gauges
PRODUCT DATA SHEETS
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Type SCE Series
Diaphragm Seal
for Tank Applications
• Extended diaphragm seals are ideal for tank applications
• Continuous duty
• Slip on flange design simplifies installation
• Materials available for corrosive applications
• Furnished with ANSI Class 150, 300, or 600 flanges
• Standard volumetric displacement is .13 cubic inch
PRODUCT DATA SHEETS
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Type SCW Series
Diaphragm Seal
for Fugitive Emissions
• Ideal for applications requiring control of fugitive emissions
- Leak protection against toxic and explosive media as
defined by EPA Clean Air Act of 1990
• Continuous duty
• Permanent seal without gasket
• Materials available for corrosive applications
• Pressure ranges from 10 psig (.7 bar) to ANSI Class 300
• Standard volumetric displacement is .06 cubic inch
PRODUCT DATA SHEETS
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Type SMJ & SNJ Series
Diaphragm Seal
for Jacketed Pipelines
• Ideal for jacketed pipeline applications
- Welded diaphragm
- Diaphragm welded directly to instrument housing
• Continuous duty
• SNJ features slip on flanges for easy installation
- Socket weld connections included on jacket
• SMJ butt welded directly to pipeline
• Materials available for corrosive applications
• Pressure ranges to 1500 psig (103 bar)
PRODUCT DATA SHEETS
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Type ST Series
Diaphragm Seal
for Low Pressure
• Ideal for protecting instrumentation from process media
- Electronic transmitters
- SMART transmitters
- Transducers
- Low pressure gauges
• Continuous duty
• Ideal for process control and pipelines
• Materials available for corrosive applications
• Seal ratings to 3000 psig (207 bar)
PRODUCT DATA SHEETS
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Type SF Series
Flush Flange
Diaphragm Seal
• Ideal For Vicous Process Environments
- Self cleaning flush diaphragm face
• Ideal For Gas and Liquid Applications
- One-piece construction
- Built-in over pressure protection (continuous duty
diaphragm profile)
- Desiged for corrosive applications
• Easy installation and maintenance
- Continuous duty
- All-welded construction
- No gaskets
- .25" and .5" NPT instrument connections
- Flanged attached process connection
- ANSI B16.5 compliant
- Compatible with most transmitters, transducers,
pressure switches, pressure gauges, etc.
PRODUCT DATA SHEETS
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Type T Series
Diaphragm Seal
for Corrosive Applications
• Removable molded TEFLON diaphragm
- Exceptional long-term value
• Continuous duty
• Ideal for corrosive applications
• Volumetric displacement of .40 cubic inches
• Upper contoured housing
- Maximum allowable flexing
- Minimum diaphragm distortion
• Seal ratings to 2500 psig (172 bar)
• Available with flushing connection
• Available in DIN and metric sizes
PRODUCT DATA SHEETS
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Type C Series
Diaphragm Seal
for Sanitary Applications
• All welded 316 SST construction meets 3A Standards
• Ideal for food, beverage, pharmaceuticals, or high purity
applications
• Compatible with a variety of piping systems
- Ladish Tri-Clover
- Cherry-Burrell
• Quick connection and disconnection from process
- Ideal for washdowns, line cleanout, flushing, or changes
to process media
PRODUCT DATA SHEETS
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Right click on the Product Data Links to download the product sheet to your computer. |
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Product Data Sheets require Adobe Acrobat Reader.
Click on the link below to get the lastest version.
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