Skip to content
Sustainability Knowledge hub Career Contact us
Request for quotation
  • Svenska
  • Dansk
Home Colly Flowtech logo
    • Products
    • Hoses and tubing
      • Hoses and tubing
      • Reinforced silicone hoses and tubing
      • Rubber hoses
      • Metal hoses
      • Polyamide hoses
      • PU hoses
      • PVC hoses
      • Silicone hoses and tubing
      • PTFE tubing
      • TPE tubing
      • Tygon tubing
      • See all Hoses and Tubing
      • Different uses
      • Food hoses
      • Pharmaceutical tubing
      • Industrial hoses
      • Chemical hoses
      • Hoses for paper and pulp
      • Hoses for ATEX environment
    • Pumps
      • Pumps
      • Centrifugal pump hygienic
      • Centrifugal pumps process, industrial and water
      • Progressive cavity pump
      • Twin screw pumps hygienic
      • Drum pumps
      • Circumferential piston pump
      • Piston pumps
      • Gear pumps
      • Rotary Lobe pumps
      • Magnetic drive pumps
      • Air operated diaphram pumps (AODD)
      • - Spare parts for diaphragm pumps
      • Miniature pumps
      • Pumps Single-use
      • Hose pumps
      • Spare parts pumps & valves
      • Liquid ring pumps
      • See all Pumps
      • Different uses
      • Pumps for pharmaceuticals
      • Pumps for food
      • Pumps for the chemical industry
      • Pumps for Industry/Process
      • Pumps for pulp and paper
      • Pumps mining industry
    • Stainless steel pipes and fittings
      • Stainless steel pipes and fittings
      • TC couplings
      • Stainless steel elbows
      • Stainless steel T-pipes
      • Stainless steel reducers
      • Stainless steel dairy couplings
      • Stainless steel hose sockets
      • Stainless steel pipes
      • Stainless steel pipe holders
      • Threaded fittings
      • Sight glass
      • See all stainless steel pipes and fittings
      • Different uses
      • Stainless steel for food
      • Stainless steel for pharmaceuticals
    • Gaskets and gasket care
      • Gaskets and gasket care
      • Gaskets
      • TC clamps
      • Gasket care products
      • Test validation (Sporfix)
      • See all gaskets and gasket tools
    • Customized stainless steel manufacturing
    • Single-use
      • Single-Use
      • Bottles and containers
      • Flow meters
      • Pumps Single-use
      • Sensors
      • Hoses Single-use
      • Single-use-system
      • Single-use bags
      • Quick couplings Single-use
      • See all Single-Use products
    • Hose couplings
      • Hose couplings
      • Fire armature
      • Camlock couplings
      • Clamp couplings
      • Flanges
      • IBC couplings
      • GEKA clutches
      • Universal joints
      • Clamping jaw couplings
      • Couplings for composite hose
      • Ball valves
      • Food couplings
      • - DIN couplings
      • - SMS links
      • Brass couplings
      • Pneumatic couplings
      • Pressure sleeves
      • Crosscut tubes
      • Hose clamps
      • Quick couplings for water
      • Flushing nozzles
      • Storz couplings
      • Welding couplings for metal hoses
      • Welding fittings
      • TW couplings
      • See all hose couplings
    • Quick couplings
      • Quick couplings
      • Quick connectors for biotechnology
      • Quick connectors for general applications
      • Liquid cooling of electronics
      • See all quick links
    • Valves
      • Valves
      • GEA aseptic globe valves
      • GEA control tops
      • GEA hygienic double seat valves / Mixproof valves
      • GEA hygienic butterfly valves
      • GEA hygienic globe valves
      • LoTo for hygienic and aseptic valves
      • Acro pinch valves
      • ITT hygienic diaphragm valves
      • Keofitt sampling valves
      • See all valves
    • Rupture disc
      • Rupture disc
      • HPX Rupture Disc Family
      • REVERSE-ACTING Rupture Discs
      • Forward-Acting Rupture Discs
      • Specialized Rupture Discs
      • Burst Disc Indicators
      • Rupture Disc Holders
      • Rupture Disc Accessories
      • Area of use
      • Rupture Discs for energy production
      • Blasting plates for mining
      • Blasting plates for industrial gases
      • Blasting plates for the chemical industry
      • Blasting plates for the food industry
      • Blasting plates for the pharmaceutical industry
      • Blasting plates for the pulp and paper industry
      • Blasting plates for medical technology
      • Blasting plates for the petrochemical industry
      • Blasting plates for powder and bulk materials
      • Blasting plates for the transport industry
      • Bursting discs for water
    • Heat exchangers
      • Heat exchangers
      • Plate heat exchangers
      • Tube heat exchangers
      • Scraped surface heat exchangers
      • See all heat exchangers
      • Different uses
      • Heat exchangers for the mining industry
      • Heat exchangers for industries
      • Heat exchangers for the chemical industry
      • Heat exchangers for the pharmaceutical industry
      • Heat exchangers for the food industry
      • Heat exchangers for paper and pulp
    • Vacuum pumps and systems
      • Vacuum pumps and systems
      • Complete vacuum system
      • Vacuum pumps
      • See all vacuum pumps and systems
    • Filter
      • Filter
      • CIP and SIP compatible filters
      • Disposable filters and canisters
      • Filters for fermentation and bioreactors
      • Filters for cosmetics and hygiene products
      • Filters for laboratory and analytical environments
      • Filters for pharmaceuticals and biotechnology
      • Filters for the food and beverage industry
      • Filters for viscous liquids
      • Filters for water treatment and RO protection
      • Pre-filtration
      • High temperature filtration
      • Chemical-resistant filters
      • Clear filtration and depth filtration
      • Air and gas filtration
      • Process gas filtration
      • Single-use filter
      • sterile filters
      • Tank ventilation
      • TFF and Hollow Fiber
      • Virus filtering
      • See all filters
    • Hydraulics
      • Hydraulic products
      • 2-way ball valves hydraulics
      • Hydraulic adapters
      • Cantilever couplings
      • ORFS links
      • Press couplings
      • Pipe couplings
      • Stainless steel hydraulic adapters
      • Stainless steel press sleeves
      • Stainless steel press couplings
      • High pressure quick couplings
      • See all hydraulics products
    • Rubber products
      • Rubber products
      • Rubber Sheets
      • Rubber strips
      • Rubber mats
      • Rollover protection
      • See all rubber products
    • Homogenizers
    • Spare parts
    • See all product categories
    • Webshop
    • Hoses and tubing
      • Hoses and tubing
      • Rubber hoses
      • Polyamide hoses
      • PU hoses
      • Silicone hoses and tubing
      • PTFE tubing
      • PVC hoses
      • See all products
    • Stainless steel pipes & fittings
      • Stainless steel pipes and fittings
      • TC couplings
      • Stainless steel elbows
      • Stainless steel T-pipes
      • Stainless steel reducers
      • Stainless steel dairy couplings
      • Stainless steel hose sockets
      • Stainless steel pipes
      • See all products
    • Pumps
      • Pumps
      • Dominator diaphragm pumps
      • Spare parts for diaphragm pumps
      • See all products
    • Hose couplings
      • Hose couplings
      • Fire armature
      • Camlock couplings
      • Clamp couplings
      • IBC couplings
      • GEKA clutches
      • Universal joints
      • Clamping jaw couplings
      • Ball valves
      • Food couplings
      • Brass couplings
      • Pneumatic couplings
      • Crosscut tubes
      • Hose clamps
      • Quick couplings for water
      • Flushing nozzles
      • Storz couplings
      • TW couplings
      • See all products
    • Gaskets and gasket care
      • Gaskets and gasket care
      • Gaskets
      • TC gaskets
      • TC clamps
      • See all products
    • Quick couplings
    • Rubber products
    • Hydraulics
    • Pharmaceutical and Biotech Industry
    • Food industry
    • Brewing industry
    • Chemical industry
    • Energy industry
    • Pulp and paper industry
    • All industries
  • Service
    • About us
    • About us
      • About us
      • Sustainability, quality and environment
      • Our production
      • Cleanroom
      • Brands
      • Indutrade
      • Whistleblower function
    • Career
      • Career
      • Our offices
      • Our benefits
      • Get to know the team
      • Health & Leadership
      • Job vacancies
    • What's new
    • Knowledge hub
    • - Frequently asked questions
Login / Create account
  • Products
    / Products
    • Products
    • Hoses and tubing
      / / Hoses and tubing
      • Hoses and tubing
      • Reinforced silicone hoses and tubing
      • Rubber hoses
      • Metal hoses
      • Polyamide hoses
      • PU hoses
      • PVC hoses
      • Silicone hoses and tubing
      • PTFE tubing
      • TPE tubing
      • Tygon tubing
      • See all Hoses and Tubing
    • Pumps
      / / Pumps
      • Pumps
      • Centrifugal pump hygienic
      • Centrifugal pumps process, industrial and water
      • Progressive cavity pump
      • Twin screw pumps hygienic
      • Drum pumps
      • Circumferential piston pump
      • Piston pumps
      • Gear pumps
      • Rotary Lobe pumps
      • Magnetic drive pumps
      • Air operated diaphram pumps (AODD)
      • - Spare parts for diaphragm pumps
      • Miniature pumps
      • Pumps Single-use
      • Hose pumps
      • Spare parts pumps & valves
      • Liquid ring pumps
      • See all Pumps
    • Stainless steel pipes and fittings
      / / Stainless steel pipes and fittings
      • Stainless steel pipes and fittings
      • TC couplings
      • Stainless steel elbows
      • Stainless steel T-pipes
      • Stainless steel reducers
      • Stainless steel dairy couplings
      • Stainless steel hose sockets
      • Stainless steel pipes
      • Stainless steel pipe holders
      • Threaded fittings
      • Sight glass
      • See all stainless steel pipes and fittings
    • Gaskets and gasket care
      / / Gaskets and gasket care
      • Gaskets and gasket care
      • Gaskets
      • TC clamps
      • Gasket care products
      • Test validation (Sporfix)
      • See all gaskets and gasket tools
    • Customized stainless steel manufacturing
    • Single-use
      / / Single-use
      • Single-Use
      • Bottles and containers
      • Flow meters
      • Pumps Single-use
      • Sensors
      • Hoses Single-use
      • Single-use-system
      • Single-use bags
      • Quick couplings Single-use
      • See all Single-Use products
    • Hose couplings
      / / Hose couplings
      • Hose couplings
      • Fire armature
      • Camlock couplings
      • Clamp couplings
      • Flanges
      • IBC couplings
      • GEKA clutches
      • Universal joints
      • Clamping jaw couplings
      • Couplings for composite hose
      • Ball valves
      • Food couplings
      • - DIN couplings
      • - SMS links
      • Brass couplings
      • Pneumatic couplings
      • Pressure sleeves
      • Crosscut tubes
      • Hose clamps
      • Quick couplings for water
      • Flushing nozzles
      • Storz couplings
      • Welding couplings for metal hoses
      • Welding fittings
      • TW couplings
      • See all hose couplings
    • Quick couplings
      / / Quick couplings
      • Quick couplings
      • Quick connectors for biotechnology
      • Quick connectors for general applications
      • Liquid cooling of electronics
      • See all quick links
    • Valves
      / / Valves
      • Valves
      • GEA aseptic globe valves
      • GEA control tops
      • GEA hygienic double seat valves / Mixproof valves
      • GEA hygienic butterfly valves
      • GEA hygienic globe valves
      • LoTo for hygienic and aseptic valves
      • Acro pinch valves
      • ITT hygienic diaphragm valves
      • Keofitt sampling valves
      • See all valves
    • Rupture disc
      / / Rupture disc
      • Rupture disc
      • HPX Rupture Disc Family
      • REVERSE-ACTING Rupture Discs
      • Forward-Acting Rupture Discs
      • Specialized Rupture Discs
      • Burst Disc Indicators
      • Rupture Disc Holders
      • Rupture Disc Accessories
    • Heat exchangers
      / / Heat exchangers
      • Heat exchangers
      • Plate heat exchangers
      • Tube heat exchangers
      • Scraped surface heat exchangers
      • See all heat exchangers
    • Vacuum pumps and systems
      / / Vacuum pumps and systems
      • Vacuum pumps and systems
      • Complete vacuum system
      • Vacuum pumps
      • See all vacuum pumps and systems
    • Filter
      / / Filter
      • Filter
      • CIP and SIP compatible filters
      • Disposable filters and canisters
      • Filters for fermentation and bioreactors
      • Filters for cosmetics and hygiene products
      • Filters for laboratory and analytical environments
      • Filters for pharmaceuticals and biotechnology
      • Filters for the food and beverage industry
      • Filters for viscous liquids
      • Filters for water treatment and RO protection
      • Pre-filtration
      • High temperature filtration
      • Chemical-resistant filters
      • Clear filtration and depth filtration
      • Air and gas filtration
      • Process gas filtration
      • Single-use filter
      • sterile filters
      • Tank ventilation
      • TFF and Hollow Fiber
      • Virus filtering
      • See all filters
    • Hydraulics
      / / Hydraulics
      • Hydraulic products
      • 2-way ball valves hydraulics
      • Hydraulic adapters
      • Cantilever couplings
      • ORFS links
      • Press couplings
      • Pipe couplings
      • Stainless steel hydraulic adapters
      • Stainless steel press sleeves
      • Stainless steel press couplings
      • High pressure quick couplings
      • See all hydraulics products
    • Rubber products
      / / Rubber products
      • Rubber products
      • Rubber Sheets
      • Rubber strips
      • Rubber mats
      • Rollover protection
      • See all rubber products
    • Homogenizers
    • Spare parts
    • See all product categories
  • Webshop
    / Webshop
    • Webshop
    • Hoses and tubing
      / / Hoses and tubing
      • Hoses and tubing
      • Rubber hoses
      • Polyamide hoses
      • PU hoses
      • Silicone hoses and tubing
      • PTFE tubing
      • PVC hoses
      • See all products
    • Stainless steel pipes & fittings
      / / Stainless steel pipes & fittings
      • Stainless steel pipes and fittings
      • TC couplings
      • Stainless steel elbows
      • Stainless steel T-pipes
      • Stainless steel reducers
      • Stainless steel dairy couplings
      • Stainless steel hose sockets
      • Stainless steel pipes
      • See all products
    • Pumps
      / / Pumps
      • Pumps
      • Dominator diaphragm pumps
      • Spare parts for diaphragm pumps
      • See all products
    • Hose couplings
      / / Hose couplings
      • Hose couplings
      • Fire armature
      • Camlock couplings
      • Clamp couplings
      • IBC couplings
      • GEKA clutches
      • Universal joints
      • Clamping jaw couplings
      • Ball valves
      • Food couplings
      • Brass couplings
      • Pneumatic couplings
      • Crosscut tubes
      • Hose clamps
      • Quick couplings for water
      • Flushing nozzles
      • Storz couplings
      • TW couplings
      • See all products
    • Gaskets and gasket care
      / / Gaskets and gasket care
      • Gaskets and gasket care
      • Gaskets
      • TC gaskets
      • TC clamps
      • See all products
    • Quick couplings
    • Rubber products
    • Hydraulics
  • Industries
    / Industries
    • Industries
    • Pharmaceutical and Biotech Industry
    • Food industry
    • Brewing industry
    • Chemical industry
    • Energy industry
    • Pulp and paper industry
    • All industries
  • Service
  • About us
    / About us
    • About us
    • About us
      / / About us
      • About us
      • Sustainability, quality and environment
      • Our production
      • Cleanroom
      • Brands
      • Indutrade
      • Whistleblower function
    • Career
      / / Career
      • Career
      • Our offices
      • Our benefits
      • Get to know the team
      • Health & Leadership
      • Job vacancies
    • What's new
    • Knowledge hub
    • - Frequently asked questions
Sustainability Knowledge hub Career Contact us
Request for quotation
  1. Home
  2. /
  3. Frequently asked questions

What can we do for you?

PU hoses

  • In which industries are PU hoses used?
  • Can PU hose be used outdoors?
  • What is a PU hose?
  • What are the advantages of polyurethane compared to other hose materials?
  • What temperatures can a polyurethane hose withstand?

PVC hoses

  • Can PVC hoses withstand chemicals and heat?
  • What are PVC hoses used for?
  • What is a PVC hose?
  • What to consider when choosing a PVC hose?
  • What are the benefits of PVC hoses?

Metal hoses

  • Are metal hoses resistant to chemicals?
  • How to connect metal hoses?
  • How to cut metal hoses?
  • What is a metal hose?
  • What are the protection levels for metal hoses?

CNC machining

  • How fast can you produce with a CNC machine?
  • How to achieve high accuracy and quality in production with CNC?
  • What is CNC machining?
  • What is the advantage of CNC machining?
  • What materials can be machined with CNC?

Electric polishing

  • How does electro-polishing affect the life of the component?
  • How do I know if electro-polishing is right for my application?
  • In which industries is electropolishing most widely used?
  • What is electro-polishing and how does it work?
  • What materials can be electro-polished?

Gear pumps

  • In which industries are gear pumps used?
  • What is a gear pump?
  • What types of gear pumps are there?
  • What liquids can be pumped with gear pumps?

Composite hoses

  • How long does a composite hose last? 
  • How often should I check my composite hose? 
  • Can I install the composite hose myself? 
  • When is composite hose the best choice? 
  • What is the difference between a composite hose and a rubber hose? 

Spare parts for pumps

  • How often should you change spare parts in a pump?
  • How do I know which spare parts are suitable for my pump?
  • Can I use universal spare parts or must they be original?
  • What spare parts are needed for a centrifugal pump?
  • What are the signs that a pump needs new spare parts?

Welding

  • How do I know if a welded component is correctly documented?
  • What are the consequences of incorrect welding?
  • What is WPS and why is it important in welding?
  • What is required for a weld to comply with the PED Directive?
  • Why should I choose a certified supplier for welded products?

Service and maintenance of pumps

  • How can I detect stock problems in time?
  • How often should I service my pumps?
  • What do I gain from working preventively instead of fixing errors afterwards?
  • Why are original parts important in pump maintenance?
  • What are the most common signs that a pump is about to fail?

Chemical hoses

  • How do I know which material is suitable for my chemicals?
  • What happens if the hose material cannot withstand the chemicals?
  • Why is it important to choose the right chemical hose?
  • What factors influence the choice of chemical hose?
  • Which material is best for high temperatures and aggressive chemicals?

Hygienic gaskets

  • How often should gaskets be replaced to ensure hygiene and safety?
  • Which gasket materials are approved for food and pharmaceutical applications?
  • What does it mean for a gasket to be FDA or EU approved?
  • How do gaskets affect product quality and safety?
  • What is the difference between a regular pump and a drug pump?

PTFE tubing

  • Is PTFE hose suitable for food industry and medical applications?
  • Can PTFE hose withstand high temperatures?
  • What is PTFE hose and what is it used for?
  • Which industrial applications are PTFE hoses best suited for?
  • What chemicals is PTFE hose compatible with?

Centrifugal pumps

  • How do I choose the right centrifugal pump for my business?
  • What are centrifugal pumps used for?
  • What is a centrifugal pump and how does it work?
  • What are the most common problems with centrifugal pumps?
  • What types of centrifugal pumps are there?

Progressive cavity pump

  • How does an eccentric screw pump work?
  • What is an eccentric screw pump used for?
  • What is an eccentric screw pump?
  • What liquids can be pumped with an eccentric screw pump?
  • What are the benefits of progressive cavity pumps?

Pharmaceutical pumps

  • How often do drug pumps need to be maintained?
  • What are drug pumps used for?
  • What is a drug pump?
  • What is the difference between a regular pump and a drug pump?
  • What are the requirements for pumps in the pharmaceutical industry?

Hose assembly

  • Can I adapt the hose assembly to my equipment?
  • What is the lifetime of a hose assembly?
  • How often should hose assemblies be inspected?
  • How to choose the right hose for media, pressure and temperature?
  • When should you replace a hose?

Single-use

  • What is a single-use system?
  • What are the benefits of using single-use technology?
  • Is it possible to recycle single-use components?
  • Which industries use single-use solutions?
  • How quickly can a single-use system be implemented?
  • Which industries use single-use solutions?

Aseptic globe valves

  • Can an aseptic globe valve help us reduce operating costs?
  • When should I choose an aseptic globe valve?
  • What is an aseptic globe valve?
  • How does an aseptic globe valve differ from a traditional globe valve?
  • What are the benefits of a GEA VESTA® aseptic globe valve?

Twin screw pumps

  • Are twin screw pumps self-priming and how does it work?
  • Are there disadvantages of twin screw pumps compared to other pumps?
  • How do twin screw pumps work?
  • What are the advantages of twin screw pumps?
  • What pressure can a twin screw pump handle?

Heat exchangers

  • How does a heat exchanger work?
  • What is a heat exchanger?
  • Where are heat exchangers used?
  • What are the benefits of a heat exchanger?
  • What types of heat exchangers are there?

Diaphragm pumps

  • How to maintain a diaphragm pump?
  • What is a diaphragm pump?
  • Which industries use diaphragm pumps the most?
  • What are the benefits of a diaphragm pump?
  • What types of liquids can a diaphragm pump handle?

Silicone hoses and tubing

  • What are silicone hoses used for?
  • Are silicone hoses approved for food use?
  • Can silicone hoses withstand high temperatures?
  • How to clean silicone hoses?
  • Can silicone hoses be used for fuel transfer?

Barrel emptying system

  • What is a decision-making system?
  • How does a hygiene assessment system work?
  • Are drumming systems compatible with CIP cleaning and hygiene requirements?

Food hoses

  • How to clean a food hose?
  • How to choose the right food hose for your production?
  • What is a food grade hose and what certifications are required for food grade hoses?
  • What temperatures and pressures can food hoses withstand?
  • Which material is best for food hoses?

Hygienic centrifugal pumps

  • How does a hygienic centrifugal pump work?
  • How to choose the right hygienic centrifugal pump for your production?
  • What does CIP and SIP compatibility of a hygienic centrifugal pump mean?
  • What hygiene standards do CSF hygienic centrifugal pumps meet?
  • What common problems can occur with hygienic centrifugal pumps?

Drum pumps

  • What is a barrel pump?
  • What is a drum pump used for?
  • How do I choose the right drum pump for my business?
  • Are there different types of drum pumps?

PUPSIT

  • How does PUPSIT work?
  • What are the benefits of PUPSIT?
  • What is PUPSIT?
  • What are common challenges with PUPSIT?
  • What testing methods are used in PUPSIT?

Industrial filtration

  • What is industrial filtration?
  • What types of filtration are used in industry?
  • What happens if the filtering does not work properly?

Batch documentation and traceability

  • What is batch documentation?
  • What does traceability mean for single-use components?
  • Why is traceability important in biopharma?
  • What information should be included in the batch documentation?

ISO classification of cleanrooms

  • What does ISO classification of cleanrooms mean?
  • What ISO class is needed for pharmaceutical manufacturing?
  • How is the ISO rating of a cleanroom measured and verified?
  • What is the difference between ISO class and GMP class?

ISO 9001

  • What does ISO 9001 mean?
  • Why is ISO 9001 important for customers?
  • What are the benefits of working to ISO 9001?
  • Which industries require ISO 9001 certification?

Magnetic drive pumps

  • What is a magnetic drive pump?
  • Are magnetic drive pumps suitable for chemicals and hazardous liquids?
  • How much maintenance does a magnetic drive pump require?
  • How do I know which magnetic drive pump is right for my application?
Colly Flowtech
  • Products

  • Hoses and tubing
  • Pumps
  • Single-Use
  • Stainless steel pipes & fittings
  • Quick couplings
  • Service & Maintenance
  • Spare parts
  • See all product categories
  • News & knowledge

  • Knowledge hub
  • What's new
  • About us

  • About Colly Flowtech
  • Our production
  • Sustainability, quality and environment
  • Brands
  • Indutrade
  • Whistleblower function
  • Career
  • Contact us

  • Colly Flowtech AB
    St Eriksgatan 121A, 113 43 Stockholm
    08-703 01 30

    General e-mail: info@collyflowtech.se
    Orders: order@collyflowtech.se
    Invoices: invoice@collyflowtech.se
    Website/Webshop: webshop@collyflowtech.se

    Contact persons
    Office
© Colly Flowtech 2025
  • Privacy policy
  • Terms of delivery
  • linkedin