Diaphragm Pressure Seals for Assured Protection and Media Compatibility |
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Protects Pressure Instrumentation from Corrosive or Viscous Fluids, Clogging, and In-Line Freezing of the Process Media
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Glycerine Fill Fluid is Standard, with Optional Fill Fluids Available
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Displacement of the Liquid Fill in the Pressure Seal Through Movement of the Diaphragm Transmits Process Pressure Directly to the Pressure Instrumentation
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View related products - Pressure Gauges
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OMEGA ® Diaphragm Pressure Seals afford greater protection to
sensitive pressure instrumentation from the damaging effects of
corrosives, slurries, or viscous fluids that may be present in your
pressure line. A variety of designs and styles are available to suit your
application requirements.
100 Series
Distinguished by its 3-part design, the
100 series includes a PTFE coated diaphragm capsule which threads
into the top housing, assuring positive sealing at all surfaces and
minimizing the possibility of any leakage of the filling fluid from the
system. The diaphragm capsule can be replaced without replacing the
top housing. Continuous duty is assured: should the sensor be removed
from the diaphragm seal, the process fluid is prevented from escaping.
Easy cleaning and inspection of the diaphragm can be achieved during
shutdown conditions by detaching the top and bottom housings. This
design eliminates the need to refill the seal or recalibrate the instrument
when the top and bottom housings are separated. A FKM O-ring,
compatible with all standard fill fluids, and a PTFE back-up ring make a
seal between the diaphragm capsule and the top housing. The
diaphragm is PTFE coated to provide an integral gasket, thus assuring
a leaktight connection between the diaphragm and bottom housing.
The 100 Series consists of a diaphragm capsule with a corrugated,
metallic diaphragm edge welded to a sturdy back-up plate which
threads into the top housing. Once secured, the top housing can be
bolted to the bottom housing. The bottom housing has a standard 1/2
inch NPT fitting which easily threads to the process piping.
202 Series
The 202 Series diaphragm seal
features a bonded PTFE diaphragm and a PTFE #150 raised face
flange. This all-PTFE wetted construction provides ruggedness and
maximum corrosion resistance to acids, caustics, alkalis, ketones,
hydrocarbons, and alcohols. In the new 202 design, the PTFE
diaphragm is bonded to the top housing, allowing the top housing and
instrument to be removed without losing the fill fluid.
OMEGA ®
Diaphragm Pressure Seals are available to be used in conjunction with
the following OMEGA ® pressure instrumentation:
Pressure
Transducer
PX602, PX603, PX605, PX673, PX675
Dial Pressure Gauges
PGH, PGJ, PGT
Series
Pressure Switches
PSW-490, PSW-300,
PSW-370, PSW-350, PSW-601, PSW-790, PSW-400, PSW-495.
Diaphragm seals must be ordered as an assembly
with the appropriate pressure transducer, gauge or switch listed above.
Consult Pressure Engineering Department for pricing and availability.
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† All dollar amounts on this site are shown in US currency.
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Related Links -
Related Products
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Related Products
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PGH and PGJ Series:
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Industrial Process Pressure Gauges with 4.5 and 6-inch Dials, Black Phenol or Aluminum Case
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PSW-495:
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Compact Switches for Pressure/Vacuum Ranges
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PSW-300:
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NEMA-4X Watertight Pressure Switch for Harsh or Corrosive Environments
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PSW-370:
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Stainless Steel Pressure Switches for Harsh Environments, Dual 15 A SPDT Switches
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PSW-351:
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NEMA-4X Differential Pressure Switches
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PSW-601:
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Solid State Switches for High Cycle Applications
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PSW-700:
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Heavy Duty Industrial Switches, Single or Dual Setpoint, Internal or External Adjustment
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PSW-400:
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Heavy Duty "Division 1" Industrial Pressure Switches
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PSW-495:
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Compact Switches for Pressure/Vacuum Ranges
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