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GEMÜ ZRSK

1 General information

1 General information

1.1 Information

The descriptions and instructions apply to the stand-

ard versions. For special versions not described in this

document the basic information contained herein ap-

plies in combination with any additional special docu-

mentation.

Correct installation, operation, maintenance and repair

work ensure faultless operation of the product.

Should there be any doubts or misunderstandings, the

German version is the authoritative document.

Contact us at the address on the last page for staff

training information.

1.2 Symbols used

The following symbols are used in this document:

Symbol

Meaning

Tasks to be performed
Response(s) to tasks

Lists

1.3 Definition of terms

Working medium

The medium that flows through the GEMÜ product.

1.4 Warning notes

Wherever possible, warning notes are organised according to

the following scheme:

SIGNAL WORD

Type and source of the danger

Possible

symbol for the

specific

danger

Possible consequences of non-observance.

Measures for avoiding danger.

Warning notes are always marked with a signal word and

sometimes also with a symbol for the specific danger.
The following signal words and danger levels are used:

 DANGER

Imminent danger!

Non-observance can cause death or

severe injury.

 WARNING

Potentially dangerous situation!

Non-observance can cause death or

severe injury.

 CAUTION

Potentially dangerous situation!

Non-observance can cause moderate

to light injury.

NOTICE

Potentially dangerous situation!

Non-observance can cause damage to

property.

The following symbols for the specific dangers can be used

within a warning note:

Symbol

Meaning

Danger of explosion

Danger - bodily injury!

Corrosive chemicals

Hot plant components!

Summary of Contents for ZRSK

Page 1: ...GEM ZRSK Metal check valve Operating instructions EN further information webcode GW ZRSK...

Page 2: ...rights including copyrights or industrial property rights are expressly reserved Keep the document for future reference GEM Gebr M ller Apparatebau GmbH Co KG 30 04 2020 www gemu group com 2 22 GEM Z...

Page 3: ...0 7 3 Pressure 10 7 4 Product compliance 12 7 5 Mechanical data 12 8 Dimensions 13 9 Certificates 14 10 Manufacturer s information 15 10 1 Delivery 15 10 2 Packaging 15 10 3 Transport 15 10 4 Storage...

Page 4: ...edium that flows through the GEM product 1 4 Warning notes Wherever possible warning notes are organised according to the following scheme SIGNAL WORD Type and source of the danger Possible symbol for...

Page 5: ...ing operation 9 Keep this document available at the place of use 10 Observe the safety information 11 Operate the product in accordance with this document 12 Operate the product in accordance with the...

Page 6: ...Risk of severe injury or death Manufacturer liability and guarantee will be void Only use the product in accordance with the operating conditions specified in the contract documentation and this docu...

Page 7: ...Code 1 Flange EN 1092 PN 6 Code 2 Flange EN 1092 PN 10 Code 3 Flange EN 1092 PN 16 Code D ANSI B16 5 Class 150 5 2 Product compliance Approved designs Body material Disc material Seal code Drinking wa...

Page 8: ...0 D 5 Body material Code 1 4408 investment casting 37 1 0460 galvanised 3HD 1 4571 46 2 0975 aluminium bronze CC333G 5A0 1 4469 super duplex 4W1 6 Disc material Code 1 4408 37 1 0460 galvanised 3HD 1...

Page 9: ...essure 3 16 bar 4 Connection type 3 Flange EN 1092 PN 16 5 Body material 46 1 4571 6 Disc material 46 1 4571 7 Seal material 14 EPDM 8 Spring return F0 Without return spring 9 Manual override without...

Page 10: ...DN 30 300 Max 16 bar DN 350 600 Max 10 bar According to the Pressure Equipment Directive depending on nominal size and material temperat ure 20 C for liquids of groups 1 and 2 Pressure loss 10000 1000...

Page 11: ...e of 0 3 bar is required for sealing the check valve DN Piping Horizontal Vertical Spring Without with Without with 32 2 15 10 25 40 2 15 10 25 50 2 15 10 25 65 2 15 10 25 80 2 15 10 25 100 2 15 10 25...

Page 12: ...ical data Weight DN Material code1 37 3HD 46 4W1 5A0 32 0 5 0 47 40 0 78 0 73 50 0 9 0 85 65 1 23 1 15 80 1 5 1 4 100 2 4 2 25 125 3 3 3 1 150 4 6 4 3 200 7 5 7 10 250 13 0 12 2 300 21 3 20 0 350 33 3...

Page 13: ...18 18 24 92 173 131 98 150 209 220 220 222 35 20 20 29 112 197 159 120 200 264 275 275 279 38 22 22 30 154 255 207 160 250 319 330 331 340 41 26 26 35 192 312 260 190 300 375 380 386 410 41 32 32 43 2...

Page 14: ...certificates can be ordered for this product Designation Item no 3 1 Material certificate acc to EN 10204 3 1 88490978 2 2 Certificate of compliance with the order ZRSK 88535071 www gemu group com 14...

Page 15: ...mum storage temperature see chapter Technical data 4 Do not store solvents chemicals acids fuels or similar fluids in the same room as GEM products and their spare parts 11 Installation in piping 11 1...

Page 16: ...nsion 13 Only install the product between matching aligned pipes see chapters below 14 Pay attention to the installation position horizontal or ver tical 15 Pay attention to the direction of the worki...

Page 17: ...90 13 Commissioning WARNING Corrosive chemicals Risk of caustic burns Wear suitable protective gear Completely drain the plant CAUTION Leakage Emission of dangerous materials Provide precautionary mea...

Page 18: ...ly O ring of disc faulty Replace O ring of disc Foreign matter in the product Remove and clean the product Joint between check valve and piping is leaking O ring of body faulty Replace O ring of body...

Page 19: ...g intervals 1 Have servicing and maintenance work performed by trained personnel 2 Wear appropriate protective gear as specified in plant op erator s guidelines 3 Shut off plant or plant component 4 S...

Page 20: ...onment and personnel require that the completed and signed return deliv ery note is included with the dispatch documents Returned goods can be processed only when this note is completed If no return d...

Page 21: ...e GmbH Number 0035 Certificate no 01 202 926 Q 02 0036 Conformity assessment procedure Module H Technical standards used in parts AD 2000 leaflet EN 12266 Note for products with a nominal size DN 25 T...

Page 22: ...EM Gebr M ller Apparatebau GmbH Co KG Fritz M ller Stra e 6 8 74653 Ingelfingen Criesbach Germany Phone 49 0 7940 123 0 info gemue de www gemu group com Subject to alteration 04 2020 88675854 88675854...

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