GEA VARIVENT D Series Operating Instruction
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GEA VARIVENT D Series Operating Instruction

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Hygienic valves
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GEA VARIVENT
Valve Type D
Operating instruction (Translation from the original language)
430BAL008360EN_5

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Summary of Contents for GEA VARIVENT D Series

  • Page 1 Hygienic valves ® GEA VARIVENT Valve Type D Operating instruction (Translation from the original language) 430BAL008360EN_5...
  • Page 2 EU Machinery Directive. This document is protected by copyright. All rights reserved. The document may not, in whole or in part, be copied, reproduced, translated or reduced to an electronic medium of machine-readable form without the express permission of GEA Tuchenhagen GmbH. LEGAL NOTICE Word marks ®...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS General Information Information on the Document 1.1.1 Binding Character of These Operating Instructions 1.1.2 Notes on the Illustrations 1.1.3 Symbols and Highlighting Manufacturer address Contact EU Declaration of Conformity in accordance with the EC Machinery Directive 2006/42/EC Translated copy of the EU - Declaration of conformity in accordance with the Pressure Equipment Directive 2006/42/EU Safety...
  • Page 4 Notes on commissioning Operation and control Safety instructions Cleaning Cleaning 9.1.1 Cleaning Process Examples 9.1.2 Cleaning effect 9.1.3 Cleaning the Leakage Cavity Passivation Maintenance 10.1 Safety instructions 10.2 Inspections 10.2.1 Product contact seals 10.2.2 Pneumatic connections 10.2.3 Electrical connections 10.2.4 Signs on the valve 10.3 Maintenance intervals...

  • Page 5: General Information

    General Information Information on the Document General Information Information on the Document The present Operating Instructions are part of the user information for the product. The Operating Instructions contain all the information you need to transport, install, commission, operate and carry out maintenance for the product. 1.1.1 Binding Character of These Operating Instructions These Operating Instructions contain the manufacturer's instructions to the...

  • Page 6: Manufacturer Address

    Second step in a sequence of operations. ® Result of the previous operation. ® The operation is complete, the goal has been achieved. Hint! Further useful information. Manufacturer address GEA Tuchenhagen GmbH Am Industriepark 2-10 21514 Büchen Contact Tel.:+49 4155 49-0 Fax:+49 4155 49-2035 flowcomponents@gea.com www.gea.com 430BAL008360EN_5 07.02.2022...

  • Page 7: Eu Declaration Of Conformity In Accordance With The Ec Machinery Directive 2006/42/Ec

    General Information EU Declaration of Conformity in accordance with the EC Machinery Directive 2006/42/EC EU Declaration of Conformity in accordance with the EC Machinery Directive 2006/42/EC 430BAL008360EN_5 07.02.2022...

  • Page 8: Translated Copy Of The Eu - Declaration Of Conformity In Accordance With The Pressure Equipment Directive 2006/42/Eu

    Translated copy of the EU - Declaration of conformity in accordance with the Pressure Equipment Directive 2006/42/EU Translated copy of the EU - Declaration of conformity in accordance with the Pressure Equipment Directive 2006/42/EU Manufacturer: GEA Tuchenhagen GmbH Am Industriepark 2-10 21514 Büchen We hereby declare that the machine named below...

  • Page 9: Safety

    Pressure Equipment Directive which specifies sound engineering practice. Nominal diameters ≥ IPS 4“; DN 125 valid for the fluid group II. In the event of any deviations, GEA Tuchenhagen GmbH will supply a specific Declaration of Conformity. 2.1.3...

  • Page 10: Improper Operating Conditions

    Safety Operator’s Duty of Care If these valves are used in areas with a potentially explosive atmosphere, you must absolutely comply with directive 2014/34/EC with respect to all ignition hazards. 2.1.4 Improper operating conditions The operational safety of the component can not be guaranteed under improper operating conditions.

  • Page 11: Subsequent Changes

    EC Machinery Directive on your own. In general, only original spare parts supplied by GEA Tuchenhagen GmbH should be fitted. This ensures that the component is always operating properly and efficiently.

  • Page 12: Environmental Protection

    Safety Supplementary Regulations 2.4.2 Environmental Protection Harm to the environment can be avoided by safety-conscious and proactive behaviour of the staff. For environmental protection the following principles apply: • Substances harmful to the environment must not be discharged into the ground or the sewage system.
  • Page 13 Safety Qualification of personnel Only allow specially trained personnel to carry out work on an explosion- protected system. When working on explosion-protected equipment observe the standards DIN EN 60079-14 for gases and DIN EN 50281-1-2 for dusts. The following minimum qualifications are required: •...

  • Page 14: Safety Equipment

    Safety Safety equipment User groups Staff Qualifications Operating personnel Adequate instruction and sound knowledge in the following areas: • Functionality of the component • Operating sequences on the pump • What to do in case of an emergency • Lines of authority and responsibilities with respect to the task Maintenance personnel Appropriate training and a sound knowledge of the structure and functionality of the component.

  • Page 15: Residual Dangers

    Earthing and short-circuiting. Cover or safeguard any adjacent live parts. Spring tension in the actuator Danger to life caused by compression spring in the actuator. Do not open the actuator but return it to GEA Tuchenhagen for proper disposal. 430BAL008360EN_5 07.02.2022...

  • Page 16: Danger Zones

    Safety Danger zones Residual dangers on the valve and measures Danger Cause Measure Danger of injury Danger presented by moving or The operator must exercise caution and prudence. sharp-edged parts For all work: • Wear suitable work clothing. • Never operate the machine if the cover panels are not correctly fitted.
  • Page 17 Safety detaching the clamp connections (43.1, 46) by supplying the actuator (A) with compressed air. • Before starting any maintenance, servicing or repair work, disconnect the valve from the power supply and secure it against inadvertently being switched back on again. •...

  • Page 18: Description

    Description Design Description Design Fig.5 Design Designation Actuator T.VIS control top Sealing ring Bearing Sealing disk Bearing disk Lantern Cleaning hood Valve disk Double-disk Air connection Electrical connection 430BAL008360EN_5 07.02.2022...

  • Page 19: Functional Description

    Description Functional description Functional description 3.2.1 Leakage-Proof Shut-Off Fig.6 On the double-seat valve D, the upper and the lower valve housings are each equipped with a valve seat. The chamber between the two valve discs is connected to the open air by an isolation outlet (15.1) integrated into the lower valve disc.
  • Page 20 Description Fig.7 430BAL008360EN_5 07.02.2022...

  • Page 21: Transport And Storage

    Transport and storage Storage conditions Transport and storage Storage conditions The valves, valve inserts or spare parts should be stored in a dry place, free of vibrations and dust, and protected from light. To avoid damage, leave the components in their original packaging if possible. If, during transport or storage, the valve is going to be exposed to temperatures ≤...

  • Page 22: Scope Of Supply

    Transport and storage • Only use approved, fully functional load lifting devices and lifting accessories which are suitable for the intended purpose. Observe the maximum load- bearing capacities. • Secure the valve against slipping. Take the weight of the valve into account and the position of the point of gravity.

  • Page 23: Technical Data

    Technical data Type plate Technical data Type plate The type plate clearly identifies the valve. Fig.9 The type plate provides the following key data: Key data of the valve Type Double-seat valve D Serial Serial number Material 1.4404(AISI316L)/FKM (FDA) Control air pressure bar/psi min.

  • Page 24: Cleaning Connection

    Technical data Cleaning connection Technical data: Ambient temperatures Designation Description - Control top type T.VIS M-15, A-15 -20 to +50 °C (-4 ... +122 °F) - Control top type T.VIS P-15 0 to +50 °C (-4 ... +122 °F) Product temperature and operating Depending on the sealing material temperature Technical data: Compressed air supply...

  • Page 25: Resistance And Permitted Operating Temperature Of The Sealing Materials

    The maximum operating temperature is defined by the sealing type and its mechanical load. Due to the versatile conditions of use (e.g. usage duration, switching frequency, type and temperature of product and cleaning agents as well as usage environment), GEA Tuchenhagen recommends that the user carries out resistance tests. Resistance: •...

  • Page 26: Pipe Ends - General Table Of Measurements

    Technical data Pipe ends - General table of measurements Table of sealing resistance / permitted operating temperature Maximum Sealing material Medium operating EPDM HNBR temperatures Inorganic acids up to 80 °C (176°F) + up to 3% Inorganic acids up to 80 °C (176°F) o up to 5% Inorganic acids up to 100 °C...
  • Page 27 Technical data Pipe ends - General table of measurements Dimensions for Pipes in DN Outside Outside Wall Inside Metric DN diameter acc. diameter thickness diameter to DIN 11850 Dimensions for Pipes in Inch OD Outside Outside Wall Inside Inch OD diameter acc.

  • Page 28: Tools

    Technical data Tools Dimensions for Pipes in Inch IPS Outside diameter Outside Wall Inside Inch IPS according to diameter thickness diameter DIN EN ISO 1127 4" 114.3 109.7 6" 168.3 2.77 162.76 Tools List of tools Tools Material no. Hose cutter 407-065 Belt wrench 408-142...
  • Page 29 Technical data Size Weight [kg] DN 80 DN 100 DN 125 DN 150 OD 1" OD 1.5" OD 2" OD 2.5" OD 3" OD 4" OD 6 " IPS 2" IPS 3" IPS 4" IPS 6" 430BAL008360EN_5 07.02.2022...

  • Page 30: Assembly And Installation

    Assembly and installation Safety instructions Assembly and installation Safety instructions Hazardous situations during installation can be avoided by safety-conscious and proactive behaviour of the personnel. For installation, the following principles apply: • Only qualified personnel are allowed to set-up, install and commission the component.

  • Page 31: Valve With Welded Ends

    Assembly and installation Valve with Welded Ends Carry out the following steps: Fit valves with detachable pipe connection elements – using suitable connection fittings – directly into the pipe system. ® Valve is installed. Valve with Welded Ends This section describes the welding procedure for the valve housing. Warning! Spring tension in the valve Danger of injury when opening the clamp connections on the actuator or on...

  • Page 32: Pneumatic Connections

    Assembly and installation Pneumatic connections Hint! Welding method: We recommend using the automatic orbital welding method. All welding work should only be performed by certified welders or machine operators (orbital welders). Housing O-rings: When assembling the valve always replace the housing O-rings to ensure that the valve is tight.

  • Page 33: Electrical Connection With T.vis Control Top

    Assembly and installation Electrical connection with T.VIS control top Use the hose cutter to cut the pneumatic hoses square. Push the air hose into the air connector on the control top. Re-open the compressed air supply. ® Establish a hose connection. Electrical connection with T.VIS control top Danger Live parts...

  • Page 34: Start-Up

    Start-up Safety instructions Start-up Safety instructions Initial commissioning For initial commissioning, the following principles apply: • Take protective measures against dangerous contact voltages in accordance with pertinent regulations. • The valve must be completely assembled and correctly adjusted. All screw connections must be securely tightened.

  • Page 35: Operation And Control

    Operation and control Safety instructions Operation and control Safety instructions Dangerous situations during operation can be avoided by safety-conscious and proactive behaviour of the personnel. For operation, the following principles apply: • Monitor the component during operation. • Safety devices must not be changed, removed or taken out of service. Check all safety devices at regular intervals.

  • Page 36: Cleaning

    Cleaning Cleaning Cleaning Cleaning All parts in contact with product must be cleaned at regular intervals. Always observe the safety data sheets issued by the cleaning agent manufacturers. Only use cleaning agents which do not cause damage to the seals and the inner parts of the valve.

  • Page 37: Cleaning The Leakage Cavity

    Cleaning Passivation 9.1.3 Cleaning the Leakage Cavity Cleaning of the leakage cavity is performed using a spray nozzle in the double disk that is connected to a valve seat cleaning pipe. Here, there can only be general recommendations made as to how many and the length of the spray cleaning, which are all dependent on the conditions occurring at each facility, such as type of products, temperatures, cleaning means, cleaning intervals, etc., which could require more frequent or longer spray cleaning.

  • Page 38: Maintenance

    Maintenance Safety instructions Maintenance 10.1 Safety instructions Maintenance and repair Before carrying out maintenance and repair work on the component's electrical equipment, perform the following steps in accordance with the "5 safety rules": • Isolate from the power supply • Take appropriate measures to prevent switch on •...

  • Page 39: Inspections

    Maintenance Inspections • Disconnect all power and utility lines. • Markings, e.g. on lines, must not be removed. • Do not climb on the component. Use suitable access aids and working platforms. • Mark the lines (if unmarked) prior to disassembly to ensure they are not confused when re-assembling.

  • Page 40: Signs On The Valve

    Maintenance Maintenance intervals ® Done Hint! The electrical cable must be long enough to allow the control top to be removed via the switch bar. 10.2.4 Signs on the valve Carry out the following steps: Check the signs on the valve. Replace damaged or missing stickers with new ones.

  • Page 41: Disassembling The Valve

    Maintenance Disassembling the Valve Shut off the control air supply. Disconnect the power supply. Take the valve out of the pipe section, with all housings and housing connections if possible. ® Done 10.5 Disassembling the Valve 10.5.1 Removing the Control Top Fig.10 Prerequisite: •...

  • Page 42: Disconnecting The Valve From The Housing

    Maintenance Disassembling the Valve Warning! Spring tension in the valve Danger of injury when detaching the clamp connection (43.1) as the released spring pretension will suddenly lift the actuator. ► Therefore, release the spring tension before detaching the clamp connections by pressurizing the actuator with compressed air at max. 8 bar. Carry out the following steps: Remove the cleaning connection (30).

  • Page 43: Separating The Valve From The Drive

    Maintenance Disassembling the Valve Notice The shaft of the double disc (16) is a sensitive component. Damage to this part can result in malfunctions. ► When pulling out the valve disc shaft (16), make sure it does not hit the valve housing Carry out the following steps: Carefully pull out the valve insert together with actuator (A) from the housing...

  • Page 44: Disassembly Of The Valve Insert

    Maintenance Disassembling the Valve ® Done 10.5.4 Disassembly of the valve insert. Fig.13 Notice The double disc shaft (16) and the lantern (9) are precision parts. Damage to these parts can result in a malfunction. ► The bearing disc (4) and the sealing disc (3) must not hit the shaft (16) of the double disc when the valve insert is withdrawn.

  • Page 45: Removing Fitted Components

    Maintenance Maintenance Fig.15 ® Done 10.5.5 Removing fitted components Fig.16 Carry out the following steps: Unscrew the clamp connection (43) on the valve housing. Remove the sealing ring (1), sealing washer (3), bearing washer (4) and bearings (2). ® Done 10.6 Maintenance 10.6.1...

  • Page 46: Replacing The V-Ring

    Maintenance Maintenance Fig.17 Notice The shaft of the valve disc (16), the housing seat (402), the valve seat (16.1) and the V-ring groove (A) are precision parts. Damage to these parts can result in a malfunction. ► Handle the valve with care! Notice Damage to the valve Damage to these parts can result in a malfunction.
  • Page 47 Maintenance Maintenance Fig.18: V-ring insertion tool Prerequisite: • Insert V-Ring without grease. To facilitate fitting, use water with a drop of washing-up liquid to remove the surface tension. In order that no rust is transferred, the washing-up liquid solution must be made up in a ceramic, plastic, or stainless steel container.

  • Page 48: Lubricating Seals And Threads

    Maintenance Maintenance Fig.21 Insert the V-ring evenly. Replace all the other seals identified in the spare parts lists. ® Done Hint! Used seals must not be used again, since the proper function of the seal can then no longer be ensured. 10.6.3 Lubricating seals and threads Caution!

  • Page 49: Installation

    Rivolta F.L.G. MD-2 can be ordered from GEA Tuchenhagen. Using other types of grease can result in malfunctions or in premature seal failure.

  • Page 50: Place The Seating Ring Between The Housings

    Maintenance Installation When assembling the cleaning hood (1), carefully insert the rod guide strip (2) of the abutment into the cleaning hood. After the valve placement has been bolted to the cleaning hood, counter the piston rod against it. 10.7.3 Place the seating ring between the housings Fig.24 The seating ring should be placed with the arrow pointing to the displayed...

  • Page 51: Checking Assembly

    They have the NSF-H1 (USDA H1) registration. PARALIQ GTE 703 can be ordered under mat. no. 413-064, and Rivolta F.L.G. MD-2 can be ordered under mat. no. 413-071 from GEA Tuchenhagen. Fitting the cleaning hose Slide the union nut (2) and sealing disc (1) over the cleaning hose disc.

  • Page 52: Torques For The Clamps And Clamp Connections

    Maintenance Installation Fig.27 Assembling the cleaning hose Carry out the following steps: Screw on the union nut hand tight. When the cleaning hose stops, press it against the inner cone. Turn the union nut about another 1 1/2 turns. Do not turn the cleaning hose with the union nut.

  • Page 53: Checking The Function

    Maintenance Installation Torques [Nm] [lbft] Clamps on the control top Clamp connection cast half rings Clamp connection 16.2 cast half rings Cast clamps 10.7.8 Checking the function Setting the valve stroke Carry out the following steps: Actuate the valve with compressed air. Check the stroke of the valve in accordance with (Page 53).
  • Page 54 Maintenance Valve Stroke Valve size Valve stroke [mm] 2" 3" 4" 6" 430BAL008360EN_5 07.02.2022...

  • Page 55: Alarms

    Alarms Malfunctions and remedies Alarms 11.1 Malfunctions and remedies In the event of malfunctions immediately deactivate the valve and secure it against inadvertent reactivation. Malfunctions may only be remedied by qualified staff, who must observe the safety instructions. Malfunction Cause Remedy Check the system Fault in the control system...

  • Page 56: Decommissioning

    ► Never open the actuator. ► GEA Tuchenhagen accepts unopened actuators and arranges for proper disposal free of charge. Carry out the following steps: Remove the actuator. Pack the actuator safely and send it to GEA Tuchenhagen GmbH. ® Done 430BAL008360EN_5 07.02.2022...

  • Page 57: Spare Parts List - Mixproof Valve D

    Spare parts list - mixproof valve D Spare parts list - mixproof valve D Fig.29: Spare Parts Drawing Fig.30: Housing combinations 430BAL008360EN_5 07.02.2022...
  • Page 58 Spare parts list - mixproof valve D Item Designation Material DN 25 DN 40 DN 50 DN 65 Sealing set complete 1) EPDM 221-519.58 221-304.07 221-304.07 221-304.08 221-519.60 221-519.01 221-519.01 221-519.02 HNBR 221-519.72 221-519.73 221-519.73 221-519.74 Seal ring EPDM 924-084 924-084 924-084 924-085...
  • Page 59 Spare parts list - mixproof valve D Item Designation Material DN 25 DN 40 DN 50 DN 65 Seating ring D 1.4404 221-108.01 221-108.02 221-108.02 221-108.03 Clamp join KL 1.4401 221-507.02 221-507.04 221-507.04 221-507.09 Clamp join KL 1.4401 221-507.06 221-507.06 221-507.06 221-507.06 Cleaning nozzle...
  • Page 60 Spare parts list - mixproof valve D Item Designation Material DN 80 DN 100 DN 125 DN 150 Sealing set complete 1) EPDM 221-304.08 221-304.09 221-304.10 221-304.11 221-519.02 221-519.03 221-519.04 221-519.05 HNBR 221-519.74 221-528.80 Seal ring EPDM 924-085 924-085 924-088 924-088 924-083 924-083...
  • Page 61 Spare parts list - mixproof valve D Item Designation Material DN 80 DN 100 DN 125 DN 150 Seat ring 1.4404 221-108.03 221-108.04 221-108.12 221-108.06 Clamp join KL 1.4401 221-507.09 221-507.11 221-507.13 221-507.14 Clamp join KL 1.4401 221-507.06 221-507.06 221-507.11 221-507.11 Cleaning nozzle PVDF...
  • Page 62 Spare parts list - mixproof valve D Item Designation Material 1" OD 1.5" OD 2" OD 2.5" OD 3" OD 4" OD Sealing set EPDM 221-519.58 221-304.07 221-304.07 221-304.08 221-304.08 221-304.09 complete 1) 221-519.60 221-519.01 221-519.01 221-519.02 221-519.02 221-519.03 HNBR 221-519.72 221-519.73 221-519.73...
  • Page 63 Spare parts list - mixproof valve D Item Designation Material 1"OD 1.5"OD 2" OD 2.5" OD 3"OD 4"OD Seat ring 1.4404 221-108.01 221-108.02 221-108.02 221-108.03 221-108.03 221-108.04 Clamp join KL 1.4401 221-507.02 221-507.04 221-507.04 221-507.09 221-507.09 221-507.11 Clamp join KL 1.4401 221-507.06 221-507.06...
  • Page 64 Spare parts list - mixproof valve D Item Designation Material 2" IPS 3" IPS 4" IPS 6" IPS Sealing set complete 1) EPDM 221-304.07 221-304.08 221-304.09 221-304.11 221-519.01 221-519.02 221-519.03 221-519.05 HNBR 221-519.73 221-519.74 221-528.80 Seal ring EPDM 924-084 924-085 924-085 924-088 924-082...
  • Page 65 Spare parts list - mixproof valve D Item Designation Material 2" IPS 3" IPS 4" IPS 6" IPS Seating ring D 1.4404 221-108.02 221-108.03 221-108.04 221-108.06 Clamp join KL 1.4401 221-507.04 221-507.03 221-507.11 221-507.14 Clamp join KL 1.4401 221-507.06 221-507.09 221-507.06 221-507.11 Cleaning nozzle...
  • Page 66 Spare parts list - mixproof valve D sealing sets for mixproof valve D DN 25 DN 40/50 DN 65/80 DN 100 DN 150 Item Designation Material DN 125 1" 1.5"/2" 2.5"/3" 4" 6" Seal ring Ø EPDM 924-084 924-084 924-085 924-085 924-088 924-088...

  • Page 67: Spare Parts List - Double Seat Valve D_V, Longstroke

    Spare parts list - double seat valve D_V, Longstroke Spare parts list - double seat valve D_V, Longstroke Fig.31 430BAL008360EN_5 07.02.2022...
  • Page 68 Spare parts list - double seat valve D_V, Longstroke Item Designation Material 3" OD 4" OD Sealing set EPDM 221-304.10 221-304.11 221-519.04 221-519.05 Gasket EPDM 924-088 924-088 924-087 924-087 Bearing PTFE/carbon 935-003 935-003 Bearing, 3A SUSTA-PVDF 935-102 935-102 Sealing washer 1.4404 221-141.07 221-141.05...

  • Page 69: Spare Parts List - Double Seat Valve D_Vc With Lifting Actuator, Longstroke

    Spare parts list - double seat valve D_VC with lifting actuator, longstroke Spare parts list - double seat valve D_VC with lifting actuator, longstroke Fig.32 430BAL008360EN_5 07.02.2022...
  • Page 70 Spare parts list - double seat valve D_VC with lifting actuator, longstroke Item Designation Material 3" OD 4" OD Sealing set EPDM 221-001028 221-001029 221-001040 221-001041 Gasket EPDM 924-088 924-088 924-087 924-087 Bearing PTFE/carbon 935-003 935-003 Bearing, 3A SUSTA-PVDF 935-102 935-102 Sealing washer 1.4404...

  • Page 71: Spare Parts List - Double Seat Valve D_Vl With Lifting Actuator, Longstroke

    Spare parts list - double seat valve D_VL with lifting actuator, longstroke Spare parts list - double seat valve D_VL with lifting actuator, longstroke Fig.33 430BAL008360EN_5 07.02.2022...
  • Page 72 Spare parts list - double seat valve D_VL with lifting actuator, longstroke Item Designation Material 3" OD 4" OD Sealing set EPDM 221-511.30 221-511.31 221-519.09 221-519.10 Gasket EPDM 924-088 924-088 924-087 924-087 Bearing PTFE/carbon 935-003 935-003 Bearing, 3A SUSTA-PVDF 935-102 935-102 Sealing washer 1.4404...

  • Page 73: Dimension Sheet - Varivent® Double Seat Valve D

    Dimension sheet - VARIVENT® double seat valve D Dimension sheet - VARIVENT® double seat valve D Fig.34 430BAL008360EN_5 07.02.2022...
  • Page 74 Dimension sheet - VARIVENT® double seat valve D Nominal Actuato Pipe Housing Size Valve width Stroke Ø Extension X Weight [mm] [mm] [mm] [mm] [mm] [mm] [mm] [mm] [kg] [mm] DN 25 29.0 × 1.50 50.0 22.0 DN 40 41.0 × 1.50 62.0 22.0 DN 50...

  • Page 75: Appendix

    Appendix Lists Appendix 18.1 Lists 18.1.1 Abbreviations and terms Abbreviation Explanation British Standard Unit of measurement of pressure [bar] All pressure data expressed in [bar/psi] is assumed to be gauge pressure [barg/psig] unless explicitly specified otherwise. approx. approximately °C Unit of measurement of temperature [degree Celsius] Unit of measurement of volume [cubic decimetre] Standard volume (standard litre) DIN nominal width...
  • Page 76 Appendix Abbreviation Explanation Metric Unit of measurement of work [newton metre] Specification of torque 1 Nm = 0.737 lbft Pound-Force (lb) + Feet (ft) Polyamide PE-LD Low-density polyethylene Polytetrafluoroethylene America measurement for pressure [Pound-forse per square inch] All pressure data expressed in [bar/psi] is assumed to be gauge pressure [barg/psig] unless explicitly specified otherwise.
  • Page 77 Appendix 430BAL008360EN_5 07.02.2022...

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