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6

Installation, Operation & Maintenance Instructions  

If the products featured will be used in a potentially dangerous and/or hazardous process, your John Crane representative should be consulted prior to 
their selection and use. In the interest of continuous development, John Crane Companies reserve the right to alter designs and specifications without 
prior notice. It is dangerous to smoke while handling products made from PTFE. Old and new PTFE products must not be incinerated. ISO 9001 and 
ISO14001 Certified, details available on request.

©2021 John Crane      02/22       johncrane.com 

 

 

 

 

                                       

 IOM-APIPlan74

North America 

United States of America
Tel: 1-847-967-2400 

Europe

 

United Kingdom
Tel:   44-1753-224000 

Latin America 

Brazil
Tel: 55-11-3371-2500 

Middle East & Africa 

United Arab Emirates
Tel: 971-481-27800 

Asia Pacific 

Singapore
Tel: 65-6518-1800 

API PLAN 74

SEAL SYSTEMS 

Содержание API PLAN 74

Страница 1: ...ent of an operating problem the machinery must be switched off immediately and made safe Problems must be solved promptly Ensure suitable protective clothing is used when maintaining the system Plan 74 systems are commonly used with dual mechanical seal configurations to reduce the hazard potential from flammable explosive toxic or lethal process fluids The intermediate protective barrier gas in c...

Страница 2: ...hecking for shipment damage the following recommendations should be undertaken to prevent deterioration arising from long term storage Plan 74 system should be replaced in their original packaging and if possible the crate case should be stored away from direct sunlight in a well ventilated building with a hard floor Temperature control is not normally necessary but large temperature fluctuations ...

Страница 3: ...ed connect the barrier gas supply piping to the inlet connection on the Plan 74 control panel and connect the panel outlet connection to the mechanical seal gas barrier in GBI connection Do not open gas supply at this time 5 3 Electrical connections Only authorized and qualified personnel are permitted to carry out work on electrical systems International and local safety regulations must be follo...

Страница 4: ... should be plugged off to prevent ingress of dirt During normal operation the only attention required is to monitor the barrier gas flow Periodic visual checking at least every 48 hours of the pressure flow within the system is recommended If the consumption rate of the barrier gas is low this can result in a phenomenon where the check valve closes fully and does not open again until the pressure ...

Страница 5: ...ifications of the manufacturer This is guaranteed with John Crane spare parts You are advised to stock the most important wear parts on site The following data is necessary for spare part orders John Crane code part number John Crane order ref no Part description Quantity 7 6 Annual maintenance checks Disconnection shall be made by plant person in charge of authorization Before any maintenance ope...

Страница 6: ...nd specifications without prior notice It is dangerous to smoke while handling products made from PTFE Old and new PTFE products must not be incinerated ISO 9001 and ISO14001 Certified details available on request 2021 John Crane 02 22 johncrane com IOM APIPlan74 NorthAmerica United States of America Tel 1 847 967 2400 Europe United Kingdom Tel 44 1753 224000 Latin America Brazil Tel 55 11 3371 25...

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