security
The manufacturer shall not be liable for any loss caused by non-compliance with the document
Ren.
2.1 Conventional use
• The pump is dedicated to delivering the agreed delivery medium (→ order data page).
• Observe the operating limits and the minimum throughput determined by the size of the structure.
• Avoid dry running:
A few seconds of dry running may cause damage to the mechanical seal or other plastic parts
Bad.
– Ensure that the pump is used only when there is conveying medium, and when there is no conveying medium
Do not run the pump.
• Avoid cavitation:
– Fully open the valve on the suction side and do not use it to adjust the displacement.
– The pressure side valve shall not be opened beyond the specified operating time point.
• Avoid overheating:
– Do not operate the pump in the opposite direction of the closed pressure side valve.
– Pay attention to the minimum delivery volume (→ order data page)
• Avoid motor damage:
– The pressure side valve shall not be opened beyond the specified operating time point.
– Pay attention to the allowable number of motor starts per hour (→ specified by the manufacturer).
• Any other use shall be agreed with the manufacturer.
• When delivering a pump without a motor, it must comply with the 2006/42/EC
The provisions of the order realize the matching of the pump set.
2.2 General safety tips
Pay attention to the following regulations before any operation.
2.2.1 Product safety
The pump is manufactured according to the technical level and recognized safety technical regulations. Although such as
This may still endanger the body and life of the user or others
And cause damage to the pump and other property.
• Only in the state of technical perfection and compliance with this manual
Operate the pump with safety and danger awareness.
• Ensure the integrity and readability of this manual and equivalent valid documents, and properly
Keep it for relevant personnel to use at any time.
• Avoid any way of working that may endanger staff or irrelevant third parties.
• Stop the pump immediately in case of safety related failure, and
Personnel troubleshoot.
• As a supplement to the document, it shall comply with laws or other safety and accident prevention regulations
And applicable standards and codes of each operating country.
2.2.2 Responsibilities of users
Work with safety awareness
• Only in the state of technical perfection and compliance with this manual
Operate the pump with safety and danger awareness.
• Ensure compliance with regulations and implement supervision:
– Regular use
– Legal or other safety and accident prevention regulations
– Safety regulations for handling dangerous goods
– Standards and codes applicable to each operating country
• Provide protective equipment.
Personnel qualification
• Ensure that the personnel authorized to operate the pump have read and understood the pump before starting work
Letter and all equivalent valid documents, especially safety, maintenance and repair letters
Interest.
• Clarify responsibilities, authorities and personnel supervision.
• Trained personnel can only operate the pump under the supervision of technicians.
• All operations can only be carried out by professionals with necessary qualifications:
Avoid obvious abuse (example)
• Pay attention to the service limits of the pump in terms of temperature, pressure, delivery capacity and speed
(→ Order data page).
• With the increase of the density of the transported material, the power consumption of the pump will also increase. To avoid
The pump, coupling and motor are overloaded, please observe the allowable density value (→ order
Data page).
It is allowed to transport materials with lower density. Adjust the attachment accordingly.
• When it is used to transport media containing particles, it is necessary to ensure that the content and size of particles in the pump
Within the use limit of (→ order data sheet, technical description).
• When using the auxiliary operating system, ensure the continuous supply of the corresponding working medium.
• Pumps with water as the conveying medium are not allowed to transport food or drinking water. For food
The use of food or drinking water must be stated on the order data page.
• The installation method can only be selected according to the instructions. Prohibited, for example:
– Hang the base pump on the pipe
– Head punch installation
– Installed next to super hot and super cold sources
– The installation positions are too close to the wall
Safety devices
• Plan the following safety devices and ensure their function:
– For hot, cold and self moving parts: provide access to the pump on site
protect
– When static electricity may occur: properly grounded
guarantee
• During the warranty period, the manufacturer's
permit.
• Only use original parts or parts approved by the manufacturer.
driving system
When delivering a pump without a drive system, observe the following requirements for the drive system:
• IEC 60034-30-1 standard shall be followed when using AC asynchronous motor.
• It is recommended that the power of the drive should comply with EN ISO 5199
(EN ISO 5199 standard also applies to Screw pump Drive unit).
• Consult Allweiler when using internal combustion engines.
• For pumps with plug-in shaft, please directly connect the drive system, pump and plug-in
Shaft.
• Use elastic coupling conforming to DIN 740-2 standard.
• Use coupling protection as follows:
– The fastening elements must always be connected to the pump unit.
– The safety to hazardous areas specified in EN ISO 13857 must be observed
Full range.
2.2.3 Responsibilities of relevant personnel
• Pay attention to the prompts on the pump and ensure its readability, such as rotation direction arrow, liquid
The flag of the body interface.
• Pump, coupling protection and accessories:
– Do not step on or use as climbing aids
– Do not use as a support for plates, slopes or grooves
– It shall not be used as anchor point or support of wire rope winch
– Do not use it for paper storage or similar purposes
– Do not use hot pump or motor parts as a stove
– Do not use gas burner or similar tools for deicing
• Contact protection for hot, cold and self moving parts shall not be removed during operation
Protection., ALL WEILER screw pump
• When necessary, use appropriate protective equipment:
– Safety helmet
– Safety shoes
– Goggles
– Gloves (anti cutting grade at least 3/C)
– Other protective equipment depends on the conveying medium
• Work on the pump can only be completed at a standstill.
• When performing all installation and maintenance work, cut off the motor voltage and ensure that it does not
Will be reconnected.
• After completing all work on the pump, reinstall the safety device as required.
2.3 Special hazards
2.3.1 Electric shock
Contact with live parts (such as the cable in the motor terminal box) may cause electric shock,
Serious injury or death may result.
• Electrical work can only be carried out by professional electricians.
2.3.2 Spilled hazardous conveying media, ALLWEILER authorized agent
The transmission medium may be toxic and high temperature, and may splash out during transmission. meet
Touching the conveying medium may cause scalding or rash.
• When handling dangerous transport media (such as high temperature, flammable, explosive, toxic and
Media harmful to health), pay attention to the safety regulations on dangerous goods.
• Before performing any work, the pump should be completely cooled and then depressurized
power.
• Safely collect spilled transport media and dispose of them in an environmentally friendly manner.
• Drain the pump when performing maintenance and repair work.
• Wear protective equipment when performing any work on the pump.
2.3.3 Moving parts
People are caught, squeezed or clamped on moving parts (e.g. shafts, couplings)
Danger of fatal injury.
• Do not touch the running pump.
• Do not perform any work on a running pump.
• Keep enough distance from moving parts.
• When performing all installation and maintenance work, disconnect the power supply of the motor and ensure that it does not
Will be reconnected. ALLWEILER
2.3.4 High temperature surface
The temperature of the housing surface is very high during operation and after shutdown. Touch hot surfaces
Risk of burns.
• Do not touch the running pump.
• Before performing any work, completely cool the pump.
• Wear safety gloves.
