Blacoh SENTRY CIP Installations- und Betriebshandbuch - Seite 4

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Equipment Misuse Hazard

CAUTION!

General Safety

DO NOT misuse dampener, including but not limited to

over-pressurization, modification of parts, using

incompatible chemicals, or operating with worn or

damaged parts. DO NOT use any gases other than

compressed air or clean dry Nitrogen to charge dampener.

DO NOT USE OXYGEN. Any misuse could result in

serious bodily injury, death, fire, explosion or property

damage.

Over-Pressurization

Never exceed the maximum pressure rating for the

dampener model being used. Maximum allowable working

pressure (MAWP) is specified on dampener serial tag or

marked on dampener. Maximum allowable working

pressure (MAWP) is rated at 70°F (21°C).

Temperature Limits

DO NOT exceed the operating temperature limits for the

body and/or elastomer materials being used. Excessive

temperature will result in dampener failure. For

temperature limits, refer to the "Temperature Limits"

section of this Manual. Temperature limits are stated at

zero psi/bar.

Installation and Start-Up Hazards

Install dampener before charging or pressurizing. DO NOT

start system or assembly without first charging or

pressurizing dampener. Failure to charge may result in

damage to the elastomeric bladder or PTFE bellows.

GENERAL Information

For safe and satisfactory operation of dampener read all safety warnings, caution statements and this complete

Manual before installation, startup, operation or maintenance.

Must Read Before Installation

DO NOT use Oxygen to charge dampener. Use

compressed air or clean dry Nitrogen only.

DO NOT exceed maximum allowable working

pressure (MAWP) specified on dampener serial tag

or marked on dampener.

Turn pump off and remove all pressure from

system prior to dampener installation.

Always wear safety glasses and other appropriate

safety equipment when installing, charging or

repairing dampener.

Temperature & Pressure Hazard

Temperature and pressure reduce the strength and

chemical resistance of plastic, metal, elastomers and

PTFE.

Charging / Pressurization

Charge or pressurize dampener with compressed air or

clean dry Nitrogen only. DO NOT USE OXYGEN.

Dampener Bladder/Bellows Failure

Dampeners utilize an elastomeric membrane (bladder) or

PTFE bellows to separate system fluid from the air supply

or gas charge. When failure occurs, system fluid may be

expelled from the air valve. Always perform preventive

maintenance and replace bladder/bellows before

excessive wear occurs. O-rings for PTFE bellows cannot

be re-used.

Maintenance Hazards

Never over-tighten fasteners. This may cause leakage of

system fluid and damage to dampener body. Bolts should

not be reused as re-torquing reduces bolt strength. After

dampener maintenance or re-assembly, use new

fasteners and torque fasteners according to

specification on dampener serial tag. If serial tag is

missing, consult distributor or factory for torque

specifications.

Danger of static spark! Grounding precautions

must be considered when dampener is used in

flammable or explosive environments.

ATEX models must be grounded (earthed) before

operation.

DO NOT operate a dampener that is leaking,

damaged, corroded or otherwise unable to contain

internal fluid, air or gas pressure.

Temperature, pressure and chemicals affect the

strength of plastic, elastomer and metal

components.

Many plastics lose strength rapidly as temperature

increases. Consult factory if in doubt.

BLACOH Fluid Control