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IMI M3HP.10 E 03.15 

 

 

 

 
 

TROUBLESHOOTING 

 

 

 

 

If the malfunctions cannot be solved with the help of the following chart, please consult the manufacture. 

 

 

 
 

TROUBLE SHOOTING CHART

 

FAULT 

POSSIBLE REASON 

SOLUTION 

 

 

 

Leakage at body joints

 

Untighten fixing bolts 
Damaged body seals 

Retighten the fixing bolts (17). If the problem 
remains, disassemble the valve body and change 
the body seals (9). 
 

Stem leakage 

Loosen spring washers 
Damaged stem seals 

 

Remove the lever (12,13), the lock washer (16) 
and inspect. If the spring washers (14) are in 
good conditions but loosen, retighten the 
compression nut (15); if the spring washers are 
damaged remove the compression nut and 
replace the spring washers. 
If the leakage remains disassemble the stem 
assembly, check if the stem seals (10) are 
damaged and replace if necessary. 

 

Leakage through the valve 

 

Damaged seats 
Damaged ball surfaces 

Check, with the valve closed, if there's flow at the 
valve outlet. If yes, than disassemble the valve 
body and check for damages in the seats and ball 
surfaces. Replace for new ones if necessary. 

 

Содержание M3HP

Страница 1: ...tallation and maintenance work must be carried out by trained personnel A supervisor must follow and check all activities For the problems that cannot be solve with the help of this instructions pleas...

Страница 2: ...contractor Valves are designed to be applied in places protected from exposure to weather CLEANING AND PACKING This equipment is packed by a proper machine with a special film used by food industry Th...

Страница 3: ...o weight especially in bigger valves In those cases follow these steps 1 Remove the bolts to separate the valve body from the body connectors 2 Carefully remove the body seals and put them on a clean...

Страница 4: ...tions if necessary MAINTENANCE We recommend the ball valves to be serviced as necessary Ball valves should be checked periodically at least yearly to verify if they are operating correctly if they hav...

Страница 5: ...pression nut 15 4 Remove the belleville spring washers 14 and the spacer 11 5 Remove the stem seals 10 6 Carefully push the stem 5 into the body to remove it 7 Replace all the stem seals and the o rin...

Страница 6: ...Damaged stem seals Remove the lever 12 13 the lock washer 16 and inspect If the spring washers 14 are in good conditions but loosen retighten the compression nut 15 if the spring washers are damaged...

Страница 7: ...vice AISI316 1 4401 21 O ring VITON Remarks FDA USP Class VI seals certificate on request All valves have a serial number In case of non standard valves this number must be supplied if spare parts are...

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