AZ F-2-STD-A Скачать руководство пользователя страница 13

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ARMATUREN

totraumfrei & wartungslos

9. Adjusting instructions

Adjusting instructions in case of leakage for AZ plug valves type:
ISO-STANDARD DN15-100 NPS ½“-4“ / ISO-EXTRA DN15-80 NPS ½“-3

“

1. Plug should be in an open position
2. Both adjusting bolts shall be turned ¼ to ½ rotations clock-

wise one after another.

3. Afterwards move the plug 10-15 degrees and back.
4. If the valve is still leaking please repeat step 2) and 3).

Please do not over tighten the adjustment bolts as the breakaway
torque may increase beyond the normal limits.

Adjusting screws

(plug)

Thrust collar

Stainless

diaphragm

PTFE

V-diaphragm

with delta

thrust collar

PTFE

sealing ring

PTFE sleeve

Plug

Содержание F-2-STD-A

Страница 1: ...plug valves and Standard valves Plug Valves metallic with PTFE Sleeve 2 7 way Plug Valves FEP PFA lined 2 3 way Butterfly Valves FEP PFA lined Ball Valves FEP PFA lined Ballcheck Valves metallic with...

Страница 2: ...lation and start up a Mounting Instruction b Statement on Directives 2014 68 EU and 2006 42 EG c Installation in explosive areas directive 2014 34EU ATEX 6 Handling and operating mode 7 Maintenance in...

Страница 3: ...t free of charge for AZ Other returning terms have to be agreed with the AZ sales department Please provide the following information as a minimum for the returned valves Name and address of the consi...

Страница 4: ...number G Nominal diameter DN Valves which are covered by the pressure equipment directive 2014 68 EU DN 25 1 are additionally marked with a non removable CE identification tag plate This tag plate al...

Страница 5: ...prevention and or the site specific advice of the end user must always be considered This manual is in no way intended to replace these regulations Before starting any repair or maintenance work actu...

Страница 6: ...dismounting In case of toxic dangerous harmful media the pipe has to be emptied completely before dismantling the valve Hot valves must be cooled down to ambient temperature before work starts For you...

Страница 7: ...ic or aggressive media applications must be flushed and cleaned before returning them to the supplier for repair or disposal Media may be located underneath the plug so the valve must be disassembled...

Страница 8: ...hat the valves are properly supported during installation Normally the valves can be installed in any position However please consider a support bearing for heavy actuators if the valve is mounted in...

Страница 9: ...uren are classi fied as incomplete machinery within the meaning of Machinery Directive 2006 42 EG On the basis of their intended use AZ valves with installed pneumatic electric or hydraulic drives are...

Страница 10: ...nds the use of an anti static band earth cable in order to ensure grounding of the plug 6 Operation and functionality Ball and plug valves are installed in pipeline systems by flanging screwing or wel...

Страница 11: ...ng to the regulations frequent maintenance work on AZ valves is not necessary After an extended period of operation AZ recom mends checking the function of the valve by repeated open close strokes Tig...

Страница 12: ...The allowed valve operating limits pressure tempera ture have been exceeded Wearing of the sleeve Damage of the valve due to chemical corrosion caused by wrong material selection regarding media suit...

Страница 13: ...djusting bolts shall be turned to rotations clock wise one after another 3 Afterwards move the plug 10 15 degrees and back 4 If the valve is still leaking please repeat step 2 and 3 Please do not over...

Страница 14: ...lockwise one after another 3 Move the plug 10 15 degrees and back 4 If the valve is still leaking please repeat step 2 and 3 NOTE Please do not over tighten the adjustment bolts as the breakaway torqu...

Страница 15: ...ves are either tested hydrosta tically using the indicated valve nominal pressure or an air tightness test using 6 bar is carried out For system specific pressure tests carried out by the operator the...

Страница 16: ...ei wartungslos Print 01 2018 Rev3 GB Subject to technical change without notice AZ Armaturen GmbH Waldstra e 7 D 78087 M nchweiler Telefon 49 0 7721 7504 0 Telefax 49 0 7721 7504 13 info az armaturen...

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