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BS&B NACIONAL 3-5111, Инструкция по эксплуатации и техническому обслуживанию

Инструкция по эксплуатации и техническому обслуживанию продукта BS&B NACIONAL 3-5111 доступна для загрузки совершенно бесплатно на manualshive.com. Этот руководство поможет вам устранить неполадки и производить регулярное обслуживание вашего устройства. Скачайте его сейчас, чтобы быть уверенным в его долголетии.

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INSTRUCTIONS AND MAINTENANCE MANUAL 

 
 
 
 

SAFETY AND RELIEF VALVES 

 

MODELS  3-5111 AND 3-5161 

 

 
 
 
  
 
 

 

 
 
 

MA-51/04 

 

NOVEMBER 2020 

Содержание NACIONAL 3-5111

Страница 1: ...INSTRUCTIONS AND MAINTENANCE MANUAL SAFETY AND RELIEF VALVES MODELS 3 5111 AND 3 5161 MA 51 04 NOVEMBER 2020...

Страница 2: ...inlet static pressure at which the disc re establishes contact with the seat or at which the lift becomes zero Cold differential test pressure The inlet static pressure at which a safety valve is set...

Страница 3: ...onsideration before the installation of the safety relief valves so they work correctly VALVULAS NACIONAL S A warrantees their safety relief valves against all kind of manufacture flaws for a 12 month...

Страница 4: ...e checked to ensure that it s the proper valve The seal cannot be broken otherwise the set pressure and tightness will have to be checked again The valve has to be perfectly clean and no kind of dirt...

Страница 5: ...ring 7 Using a screwdriver turn the adjusting ring upwards until making contact with the disc holder 8 then turn it to the opposite direction so many grooves as Table 1 points out In order to increase...

Страница 6: ...wed hole from the bonnet venting is not covered This is mandatory for the good performance of the valve 5 3 RECONDITIONING THE CLOSING SURFACES When the contact surface between nozzle and disc the val...

Страница 7: ...EVER 7 ADJUSTING RING 30 GUIDE GASKET 62 CAM SHAFT SUPPORT 8 DISC HOLDER 31 CAP GASKET 63 CAM SHAFT RETAINER 9 STEM 33 BELLOW 64 GASKET 10 SPRING 43 RELEASE NUT 65 PIN 11 ADJUSTING SCREW 44 BOLT 59 56...

Страница 8: ...adjusting ring has to be placed touching the disc holder s bell then it has to be lowered one or two grooves If the test if correctly done the results of both tests will be practically identical Test...

Страница 9: ...e adjustment for the valve to be adjusted at the bench will be 50 barg 1 barg 51 barg Is important to notice that in all cases as it s been shown in examples A and B temperature used for calculations...

Страница 10: ...uld be dangerous for anyone handling the valve 7 1 EXCESSIVE LEAK If the tightness has been correctly performed and the result is excessive leaks the valve has to be disassembled to verify that there...

Страница 11: ...as a high risk source of ignition c It is essential to make sure that the valve is not insulated from the earth connection of the installation since the different layers of paint resulting from its m...

Страница 12: ...nt pressure than the one it has been adjusted Built up back pressure In conventional valves check that the adjusting ring has the same size or bigger tans the outlet connection of the valve and or the...

Страница 13: ...Vivaldi 2 8 Pol gono Industrial Can Jard Apdo Correos 123 08191 Rub Barcelona Tel 34 936 995 200 34 936 995 150 Fax 34 936 974 556 e mail comercial valvulasnacional com...

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