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Installation and Operation Manual
CIP Sanitary Flow Through Dampener Models
SENTRY dampeners are pressure vessels containing a flexible bladder or bellows inside that separates an
inert pressurized gas (air or Nitrogen) from a system fluid in the lower chamber. Depending on how dampeners
are configured, they are used as Pulsation Dampeners, Inlet Stabilizers or Surge Suppressors to control
pressure fluctuations and spikes in liquid piping systems.
Dampeners work on the principle that volume is inversely proportional to pressure (P1V1=P2V2). Compressed
air or Nitrogen (never Oxygen) is introduced into the non-wetted side of the dampener. The gas charge is
contained by the bladder or bellows preventing contact between the system fluid and the gas.
When the dampener is sized correctly, properly installed and charged according to the instructions provided it
will greatly reduce the damaging effects of pressure variations in piping systems and significantly improve the
efficiency of transferring liquids.
All dampeners manufactured by BLACOH use pressure bodies made in the USA to insure quality. Prior
to shipment, each and every dampener is factory tested at design pressure or higher to assure proper
function and leak-free operation.
Go to
www.blacoh.com
for literature in multiple languages.
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Summary of Contents for Blacoh SENTRY CIP
- Page 1 All dampeners manufactured by BLACOH use pressure bodies made in the USA to insure quality. Prior to shipment, each and every dampener is factory tested at design pressure or higher to assure proper function and leak-free operation.
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Page 2: Table Of Contents
Information in this document is subject to change without notice. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic or mechanical, including photocopying and recording for any purpose other than the purchaser’s personal use without the express written permission of BLACOH Fluid Controls, Inc. BLACOH Fluid Control... -
Page 3: Safety Warnings
NOTE: EC standard EN-13463-1 and EN-13463-5 (ATEX) require grounding (earthing) on dampeners when the potential for static sparking is present. A grounding point is located and marked on ATEX specific dampener models. BLACOH Fluid Control... -
Page 4: Equipment Misuse Hazard
Always wear safety glasses and other appropriate Temperature, pressure and chemicals affect the safety equipment when installing, charging or strength of plastic, elastomer and metal repairing dampener. components. Many plastics lose strength rapidly as temperature increases. Consult factory if in doubt. BLACOH Fluid Control... -
Page 5: Installation Notes
It is recommended that a BLACOH pressure relief valve be installed in all pump systems to ensure compliance with pressure limits on system equipment. -
Page 6: Temperature Limits
Good general chemical resistance; loses strength as temperature +32°F to +140°F (0°C to +60°C) rises. PVDF +10°F to +200°F (-12°C to +93°C) Excellent resistance to most acids and bases; high temperatures. * Conductive Acetal and Conductive Polypropylene available. [T22E11_010] BLACOH Fluid Control... -
Page 7: Installation & Operation Instructions: Cip Sanitary Flow Through Models
IMPORTANT! The tri-clamp style clamps used to install the dampener in the system must be installed correctly and tightened completely, the clamps create product seal AND provide compressed gas sealing so the dampener will hold the pressure charge. BLACOH Fluid Control... -
Page 8: Chargeable Model
Nitrogen. Use a hand pump, Nitrogen tank or air compressor to charge dampener. DO NOT USE OXYGEN. Charging hose kits are available from BLACOH. Prior to starting the pump, pre-charge the dampener to approximately 30% of expected system pressure and replace fill valve cap. -
Page 9: Adjustable Model
Pushing the bladder from the opposite end while pulling will assist in bladder installation. A sanitary/food grade oil can be applied to the lip seal to help with installation. 4. If dampener is used in a sanitary application, dampener body must be cleaned and sanitized internally before reuse after repair. BLACOH Fluid Control... - Page 10 NOTES BLACOH Fluid Control...
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Page 11: Manufacturer's Limited Warranty & Return Policy
(i) any damage, loss, or injury of any kind, or destruction, or death, whether or not caused by any defect in a BLACOH product... - Page 12 RMA, freight prepaid. 7. All products so returned to BLACOH based on a claim of breach of Warranty or of PTFE Bellows Warranty must be cleaned, sanitized and neutralized prior to shipment to BLACOH. BLACOH will not accept any part that contains corrosive chemicals, organic cultures, blood, any harmful residue or air borne materials that might contaminate a breathable atmosphere or put at risk any person or property.
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