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Pulsation Dampener - Large Integral ANSI B16.5 Flange Face

PipeHugger Pulse Damper with Integral ANSI B16.5 Flange Face
CAUTION: Generally called a "dimensional drawing" this is a PulseGuard viewsheet. The length to diameter ratio(s) are not to the same scale.

THIS "DRAWING" IS FOR:
Pulsation Dampeners with an elastomeric separator between process liquid and "gas spring" designed in accordance with historic ASME VIII Div 1 pressure vessel code.

The materials are "SA and "SB" etc class materials listed in old ASME Div.2 . for allowable working stress levels.

Allowable working stress levels have been increased by the "ASME" . Accordingly you may find that we are using older versions of code in order to ensure historic levels of safety.

Be aware that the levels of safety resulting from the EC "pressure equipment directive" and the imposition of for example "Euro Norm" 5500, and or their welding standards, which omit
root side and cap bend tests, and also allow the use of materials with very low levels of ductility may be, thoroughly unsafe for pulsation dampening equipment. This finding is because a pulsation dampener is by definition subject to a highly cyclic duty. Highly cyclic duties should use lower working stress levels because of the danger of fatigue failure. These low cost European new practices, are as yet unproven for duty as a pulsation dampener.

Low cost European dampeners, are not "apples to apples" with PulseGuard Inc. equipment. Nor is "current edition" U stamped coded equipment comparable with the equipment that we have produced in the days when being a code certified shop was something to be proud of.

We believe that our own historic standards provide greater safety than En or ASME based equipment. Anyone requiring that we quote for equipment in accordance with or certified to EN or ASME standards does so at their own risk.

Pulsation Dampeners with Elastomeric Membranes or Flexible Tubes
System Liquid in Elastomer Bladder Type
Viewsheets:
Flow Fluctuation / Pressure Pulse Interception
System Liquid in Bladder Connection Options
Compatible Plastic Wetted Contact Parts
Multiple Plunger / Multi Flow / Sanitary
HP Flow Through Hubs / Base Blocks
Single Connection Flange Face or Threaded
Large Integral ANSI B16.5 Flange Face
Large Flange Connection and Piping Base
O Face plus Piping Base Block / Manifold
O Face plus Piping Base / Port Divider
With Non-Metallic or Wetted Parts


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Click on the picture of the damper below to see how it works and is assembled, animated.
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