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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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Wika Flanged Seals |
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L990.12
Application
Process industry diaphragm seal to
combine with Bourdon tube pressure
gauges. Intended for corrosive,
contaminated, hot orviscous pressure
media.
Design
Internal welded diaphragm with threaded
process connection; requires hydraulic
fluid to transmit pressure to instrument
Process Connection
½” to 1 ½” per ASME B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
15 psi to Class 1500
Available Options
(connections, materials, flushing ports,
etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.FA
Application
Process industry diaphragm seal to
combine with Bourdon tube pressure
gauges. Intended for corrosive,
contaminated, hot or viscous pressure
media.
Design
Internal clamped diaphragm with threaded
process connection; requires hydraulic
fluid to transmit pressure to instrument
Process Connection
½” to 1 ½” per ASME B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
15 PSI to Class 1500
Available Options
(connections, materials, flushing ports,
etc.)
See Product Data Sheet
PRODUCT DATA SHEET |
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L990.FC
Application
For use in corrosive, contaminated,
hot or viscous media.
Combines with
Bourdon tube pressure
gauge
Design
Internal welded diaphragm with threaded
proces sconnection; requires hydraulic
fluid to transmit pressure to instrument
Process Connection
1” to 1½” per ASME B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
15 PSI to Class 300
Available Options
(Connections, materials, flushing ports, etc.)
See Product Data Sheet
PRODUCT DATA SHEET |
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L990.FD
Application
Process industry diaphragm seal to
combine with Bourdon tube pressure
gauges. Intended for corrosive,
contaminated, hot or viscous pressure
media.
Design
Internal clamped diaphragm with threaded process connection; requires
hydraulic
fluid to transmit pressure to
instrument
Process Connection
1” to 1 ½” per ASME B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
15 PSI to Class 300
Available Options
(connections, materials, flushing ports,
etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.FB
Application
Process industry diaphragm seal to
combine with Bourdon tube pressure
gauges. Intended for corrosive,
contaminated, hot o rviscous pressure
media.
Design
Internal welded diaphragm with threaded
processconnection; requires hydraulic
fluid to transmit pressure to the instrument
Process Connection
½” to 2” per ASME B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
15 psi to Class 600
Available Options
(connections, materials, flushing ports,
etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.23
Application
Process industry diaphragm seal to
combine with Bourdon tube pressure
gauges. Intended for corrosive,
contaminated, hot or viscous pressure
media.
Design
External flush diaphragm; designed to fit
DN48 Pulp and Paper Industry connection;
requires hydraulic fluid to transmit
pressure to instrument
Process Connection
DN48
Instrument Connection
Capillary or ¼” NPT-female
Suitable Pressure Ranges
15 PSI to 600 PSI
Available Options
(connections, materials,
etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.27
Application
Process industry diaphragm seal to
combine with pressure transmitters
and Bourdon tube pressure gauges.
Intended for corrosive, contaminated,
hot or viscous pressure media
Design
Flange with integral diaphragm, which
requires hydraulic fluid to transmit
pressure to instrument.
Process Connection
2” to 4” per ASME/ANSI B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
10 inH2O to class 2500, depending on
flange and diaphragm size and process
conditions
Available Options
(connections, materials, etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.26
Application
Process industry diaphragm seal to
combine with pressure transmitters
and Bourdon tube pressure gauges.
Intended for corrosive, contaminated,
hot or viscous pressure media
Design
Flange with integral diaphragm, which
requires hydraulicfluid to transmit
pressure to instrument.
Process Connection
½” to 1” per ASME/ANSI B16.5
(Diaphragm recessed
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
200 inH2O to class 2500, depending on
flange and diaphragm size and process
conditions
Available Options
(connections, materials, etc.)
See Product Data Sheet
PRODUCT DATA SHEET |
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L990.28
Application
Process industry diaphragm seal to
combine with pressure transmitters
and Bourdon tube pressure gauges.
Intended for corrosive, contaminated,
hot or viscous pressure media
Design
Wafer “pancake” flange with integral
diaphragm which requires hydraulic fluid
to transmit pressure to instrument.
Process Connection
2” to 5” per ASME/ANSI B16.5
Instrument Connection
Capillary or ¼” NPT-female
Suitable Pressure Ranges
10 inH2O to class 2500, depending on
flange and diaphragm size and process
conditions
Available Options
(connections, materials etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.35
Application
Process industry diaphragm seal to
combine with pressure transmitters and Bourdon tube pressure gauges. Intended
for corrosive, contaminated, hot or
viscous pressure media
Design
“Pancake” type flange with extended
diaphragm, which requires hydraulic
fluid to transmit pressure to instrument.
Process Connection
2” to 4” per ASME/ANSI B16.5
Instrument Connection
Capillary or ¼” NPT-female
Suitable Pressure Ranges
10 inH2O to class 600, depending on
flange and diaphragmsize and process
conditions
Available Options
(connections, materials etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.29
Application
Process industry diaphragm seal to
combine with pressure transmitters and
Bourdon tube pressure gauges. Enables
flush installation in heavily insulated
vessels Intended for corrosive,
contaminated, hot or viscous pressure
media.
Design
Flange with integral extended diaphragm,
which requiresHydraulic fluid to transmit
pressure to instrument.
Process Connection
2” to 4” per ASME/ANSI B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
10 inH2O to class 1500, depending on
flange, diaphragm size and process
conditions
Available Options
(connections, materials etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.41
Application
Process industry diaphragm seal to
combine with Bourdon tube pressure
gauges. Intended for corrosive,
contaminated, hot or viscous pressure
media.
Design
Internal 3.5” diaphragm with larger
displacement and improved Sensitivity
to lower pressure ranges; requires
hydraulic fluid totransmit pressure to
instrument
Process Connection
½” to 2” per ASME B16.5;
other see options
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
(MWP 1500PSI @250°F)
From 10” H2O to class 900
Available Options
(connections, materials, flushing ports,
etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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L990.FR
Application
Process industry diaphragm seal to
combine with pressuretransmitters and
Bourdon tube pressure gauges. Intended
for corrosive, contaminated, hot or
viscous pressure media.
Design
Flange with integral diaphragm, which
requires hydraulic fluid to transmit
pressure to instrument.
Process Connection
2” to 4” per ASME/ANSI B16.5
Instrument Connection
Capillary, ¼” or ½” NPT-female
Suitable Pressure Ranges
10 inH2O to class 2500, depending on
flange and diaphragm size and process
conditions
Available Options
(connections, materials, etc.)
See Product Data Sheet
PRODUCT DATA SHEET
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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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