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Diaphragm Pressure Keeping Valve 
 

 
Operating Instructions

 

 

 

TA  49 

Rev. 

13  en 

05/2016 

Technical modifications reserved! 

www.sera-web.com 

19 

 

Notes 

 
 

 

Содержание 620.D

Страница 1: ...ype and serial number of your diaphragm pressure keeping valve can be read off the type plate on the diaphragm pressure keeping valve Type Serial No These data are important in case of queries or for...

Страница 2: ...al protection for maintenance and service 5 4 Areas of application and function 6 5 Test identification 6 6 Checking the packaging at the place of destination 6 7 Storage 6 8 Technical specifications...

Страница 3: ...side of the pump 2 Types 2 1 Type plate Each sera diaphragm pressure keeping valve is factory pro vided with a type plate The following information can be found on this type plate 1 2 3 4 5 6 Fig 01 T...

Страница 4: ...orresponding accident pre vention measures to protect operating personnel from danger through the pumped media used 3 2 Marking of notes 3 2 1 Marking of notes in these operating instructions Special...

Страница 5: ...e of installation Temperature of the pumped medium sera does not assume any responsibility if these criteria are not or only partly observed by the owner operator CAUTION The structural design of the...

Страница 6: ...2 6 Checking the packaging at the place of destination On delivery immediately check the packaging for damage Report any external damage immediately to the transport company and fill in a damage repor...

Страница 7: ...oose flange Fig 03 Dimensions Type DN G A B H L1 n g 1 i 1 p 1 L2 D k s d PP PVC 620 D 8 G 50 38 80 80 13 M5 15 5 110 90 60 12 10 14 622 D 15 G 1 72 54 90 115 15 M8 17 8 145 95 65 12 11 14 623 D 20 G...

Страница 8: ...eserved TA 49 Rev 13 en 05 2016 L g DN n H p i G q B q A 8 1 2 1 4581 design Connection Thread pipe connection Fig 04 Dimensions Type DN G A B H L n g 1 i 1 p 1 620 D 8 G 50 38 80 110 13 M5 10 5 622 D...

Страница 9: ...cording to DIN 2501 PN 10 ANSI 150 lbs sq in Fig 05 Dimensions Type DN A B H L D 1 D 2 k 1 k 2 l 1 l 2 623 D 20 80 60 125 150 105 99 75 70 14 16 624 D 25 90 68 130 160 115 108 85 79 14 16 625 D 32 100...

Страница 10: ...4000 4 0 626 D 10 1 0 7 0 7000 6 7 627 D 10 1 0 7 0 10000 9 12 Table 05 Technical data 9 Installation The diaphragm pressure keeping valve is to be installed in the pressure line The cover is to be mo...

Страница 11: ...nction of the diaphragm pressure keeping valve installed in the pressure line of the dosing pump is as follows The diaphragm closes the inlet channel by the pressure spring initial tension and thus th...

Страница 12: ...ssure keeping valves are factory set to the set pressure stated in the order confirmation A seal ing wax seal is located on the transition piece between lid and cover 12 Operation in explosion hazardo...

Страница 13: ...alve Operating Instructions TA 49 Rev 13 en 05 2016 Technical modifications reserved www sera web com 13 13 1 Spare and wearing parts kit Fig 12 Spare and wearing parts kit 2 3 4 5 9 7 8 10 11 12 13 1...

Страница 14: ...ose flange Item Designation 1 Hexagon screws 2 Disks 3 Lid 4 O ring 6 Cover 15 O rings 16 Valve body 17 Disks 18 Nuts Valve body kit 1 4581 Item Designation 1 Hexagon screws 2 Disks 3 Lid 4 O ring 6 C...

Страница 15: ...opened Observe the EC safety data sheets CAUTION The diaphragm may only be replaced by authorized and qualified personnel 14 2 Changing the diaphragm Unscrew the lid Measure dimension T of the set sc...

Страница 16: ...mp system and secure it against restart ing Make sure that all pipes with diaphragm pressure keeping valves are depressurized Drain the diaphragm pressure keeping valve and the connected pipes using d...

Страница 17: ...ations for pre vention of accidents and the environmental protection regula tions such as the Waste Management Act and the German Household Water Act to protect their employees or man and the environm...

Страница 18: ...Diaphragm Pressure Keeping Valve Operating Instructions 18 www sera web com Technical modifications reserved TA 49 Rev 13 en 05 2016...

Страница 19: ...Diaphragm Pressure Keeping Valve Operating Instructions TA 49 Rev 13 en 05 2016 Technical modifications reserved www sera web com 19 Notes...

Страница 20: ...Diaphragm Pressure Keeping Valve Operating Instructions 20 www sera web com Technical modifications reserved TA 49 Rev 13 en 05 2016 Notes...

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