Igema AV250 Installation And Operating Instructions Manual Download Page 12 | Manualshive

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C

ONSTRUCTION

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D-09-B-62825-EN-00

5 Construction

5.1 AV250/ AV255 / AV320

AV250 / AV255

AV320

AV250 / AV255

AV320

1

Sealing ring

2

Valve body

3

Valve spindle

4

Sealing ring

Tension pin

5

Packing set

6

Stuffing box

7

Valve upper part

8

Cap nut

Spindle guide

9

Handwheel

10

Washer

11

Hexagon nut

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Summary of Contents for AV250

Page 1: ...Drain valves Single and double drain valves Version 01 2024 D 09 B 62825 EN 00 Installation and operating instructions English translation...

Page 2: ..._____________________________6 3 2 Optional versions ______________________________________________6 4 System Description 7 4 1 General _____________________________________________________7 4 2 Funct...

Page 3: ...ge 21 9 1 Replacing the drain valve_______________________________________23 9 2 Spindle gland packing leaks ___________________________________24 9 3 Replacing packing _______________________________...

Page 4: ......

Page 5: ...ctions contain important information for the proper use and safe operation of Drain valves Please also note important information on the repair maintenance care safety and value preservation of your m...

Page 6: ...the signal word NOTICE and a background colour indicates a danger that can lead to property damage if not avoided This symbol with the signal word ENVIRONMENT and a background colour indicates a dange...

Page 7: ...injuries in the absence of protective equipment Put on personal protective equipment according to category 2 2 Safety at work WARNING Risk of injury due to leaking medium Inflammatory irritating and...

Page 8: ...luding safety glasses and respiratory protection Before carrying out maintenance and dismantling work wait until the system is adjusted to the atmospheric conditions Risk of injury due to corrosive li...

Page 9: ...on containers Maintain maximum pressure and temperature ranges of all components Ensure the suitability of the gauge for the planned use application Ensure the compatibility of the gauge and the medi...

Page 10: ...as a unit Individual valves can also be supplied 1 Valve in a pre assembled unit or individual valve 2 Installation and operating instructions 3 2 Optional versions These operating instructions apply...

Page 11: ...d with a stuffing box packing The shut off valve designs range from a simple shut off to a double shut off 4 2 Function Hand lever handwheel rotated clockwise valve is closed Hand lever handwheel rota...

Page 12: ...ruction 5 1 AV250 AV255 AV320 AV250 AV255 AV320 AV250 AV255 AV320 1 Sealing ring 2 Valve body 3 Valve spindle 4 Sealing ring Tension pin 5 Packing set 6 Stuffing box 7 Valve upper part 8 Cap nut Spind...

Page 13: ...0 AV505 AV520 AV525 Example AV500 1 Sealing ring 8 Cap nut 2 Valve seat 9 Stuffing box 3 Valve spindle 10 Valve body 4 Sealing ring 11 Handwheel 5 Scraper rings 12 Open close indicator disc 6 Packing...

Page 14: ...exagon nut 5 4 AV580 AV585 The drain valve types AV580 and AV585 are valves of the types AV500 AV505 AV520 or AV525 with modified valve spindle and welded on bracket with attached position switch 5 5...

Page 15: ...ording to ASME B16 34 Application limits AV320 Pressure temperature assignment PN320 according to EN12516 1 Class 2500 according to ASME B16 34 Limitations of use AV500 AV505 AV540 AV545 AV560 AV580 a...

Page 16: ...50 with cutting ring fitting DS12 Example AV320 with cutting ring fitting DS12 AV250 AV255 AV320 mm inch mm inch Connection thread G G 1 2 BSP G 1 2 BSP Diameter D 8 1 3 14 5 9 Connection diameter D1...

Page 17: ...length Labs 190 7 1 2 203 8 Connection dimension LA 143 5 5 8 143 5 5 8 Width B 102 4 122 4 4 5 Handwheel diameter H 80 3 1 7 110 4 1 3 AV540 AV545 AV550 AV555 mm inch Handwheel diameter up to 32 bar...

Page 18: ...8 143 5 5 8 Width B 145 5 5 7 145 5 5 7 Handwheel diameter H 80 3 1 7 110 4 1 3 AV560 AV565 AV570 AV575 AV560 AV565 AV570 AV575 mm inch mm inch Connection thread G G 1 2 BSP Handwheel diameter D2 80...

Page 19: ...Connection thread G G 1 2 BSP Diameter D 8 1 3 Connection diameter D1 26 1 Handwheel diameter D2 60 2 1 3 Height h 117 4 3 5 Connection height h1 100 4 Width across flats SW 24 1 Square measure V 35 1...

Page 20: ...ith recessed stainless steel ball Protection class according to IEC EN 60529 IP65 Switching elements 1 opener 1 closer Connection cross section max 2 5mm Utilisation category AC 15 Rated operating cur...

Page 21: ...damage due to lack of personal protective equipment Lack of eye protection during welding leads to eye damage in working and bystanders Secure the work area Wear a welding protective mask Observe the...

Page 22: ...igure 1 Mount tube 12x1mm made of material P235GH on site to the screw connection provided according to DIN 2353 SW24 ENVIRONMENT Danger to the environment due to escaping medium If media escape freel...

Page 23: ...ed 8 1 Before commissioning Torque All valves are pressure tested before delivery In individual cases material settlement can occur due to transport long term storage or during assembly All screw conn...

Page 24: ...drain valve pos 11 Open the shut off valves pos 12 13 as far as they will go The commissioning of the pressure vessel boiler with the gauge can now be carried out 8 3 Commissioning under pressure and...

Page 25: ...components Apparently intact components can be damaged and lead to damage to the device when reinstalled or reused Replace glasses and gaskets annually After loosening the clamping tabs install compl...

Page 26: ...alve is increased by regularly checking for tightness Fault Cause Remediation Leaks at spindle stuffing box packing Wear and tear Make repairs chapter 9 2 Persistent leaks after repair Wear and tear R...

Page 27: ...nnected to each other e g welded connections must be separated from each other at the connection points For this purpose suitable tools must be selected according to the application and environment Fi...

Page 28: ...age 24 D 09 B 62825 EN 00 9 2 Spindle gland packing leaks Fig 1 Fig 2 Figure 1 Tighten the union nut with a hexagon spanner Figure 2 Open the drain valve 2 3 times 9 3 Replacing packing Fig 1 Fig 2 Fi...

Page 29: ...indle Figure 2 Unscrew the valve upper part with installed parts from the valve body using an SW32 hexagon spanner Figure 3 Screw the valve spindle downwards out of the upper part of the valve Figure...

Page 30: ...re 10 Grease the thread on the upper part of the valve and screw it into the valve body with a torque of 170 Nm Figure 11 Push the handwheel information plate and washer onto the valve spindle Tighten...

Page 31: ...steps after unscrewing the complete valve upper part chap 9 3 fig 1 2 Figure 1 Screw the valve spindle downwards out of the upper part of the valve Figure 2 Grease the new spindle and screw it into th...

Page 32: ...cement 10 1 AV250 AV320 AV251 If the drain valves of type AV250 AV251 or AV320 are damaged the entire valve must be replaced If the drain valve is dismantled for maintenance or other reasons check the...

Page 33: ...0 02360 2 3 4 Spare parts package for spindle replacement 1 15 18967 5 6 Spare parts package Packing change 1 15 18968 10 3 AV540 AV550 Pos Item Quantity Item numbers 1 Sealing ring 21 x 26 x 1 5 mm 1...

Page 34: ...rom flanges Secure the seal between the flanges against falling off Fig 1 Fixed connections Valves and gauges that are firmly connected to each other e g welded connections must be separated from each...

Page 35: ...Danger to the environment from waste materials Incorrectly disposed waste materials cause damage to the environment Separating waste materials Comply with local and legal regulations for waste dispos...

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Page 40: ...Direct Download Product page on the Internet Igema GmbH Phone 49 2501 924 24 0 Fax 49 2501 924 24 99 info igema com Antwerpener Str 1 48163 M nster Germany www igema com...

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