Our industrial filters

Age does not matter

With our new 5-year warranty*, you are on the safe side. 

BOLLFILTERs are made to last so long that we are now the only supplier in the world to extend our warranty for filters from 2 to 5 years. This is our unique quality promise!

Any questions?  We are here to help. 

*Valid for orders placed from 1.1.2024 until 31.12.2024: Only if all spare parts have been replaced by original BOLL & KIRCH parts and care and maintenance work has been carried out according to BOLL & KIRCH specifications. Does not apply to wear parts such as seals, filter elements, moving internal parts, internal coatings of the filter housing and add-on parts such as electric motors and fittings.


Choosing the right filter depends on several factors and the specific requirements of your application.

Here are the key parameters that are important in filter sizing:

  • Determine your requirements: What type of particles do you want to remove from your liquid or gas?
  • Liquid or gas application: Filters for liquids and gases have different designs and operating principles.
  • Particle size: Estimate the size of the particles or contaminants you need to filter out. 
  • Flow rate: Consider the required flow rate or volumetric flow rate. 
  • Operating Conditions: Consider the operating conditions such as temperature, pressure and chemical compatibility under which the filter will operate.


BOLLFILTERs can be designed, fabricated, inspected, tested, and certified in accordance with a numerous pressure vessel standards and regulations. They can conform to diverse design codes, national regulations or industry standards while being validated from reputable classification and inspection societies.

Design codes
  • ASME Section VIII Div 1
  • AD-2000 (Germany/Europe)
  • DIN EN 13445 (Europe)
  • EN 12516 (Valves)
  • CODAP (France/Europe)
  • PD 5500 (UK/Europe)
  • AS 1210/ASME VIII/1 (Australia)
  • NZ 1210/ASMEVIII/1 (New Zealand)
  • GOST 34233 (Russia)
  • ccfPV (Japan)
Industry standards
  • API  614 / 618 / 619 / 692
  • ISO 10438-1 (International)
  • ISO 15848 (fugitive emissions)
  • NACE MR 0175/ISO 15156-3 - NACE MR0103
  • NORSOK (Norway)
Country regulations, laws, directives
  • PED 2014/68/EU
  • ATEX Directive 2014/34/EU
  • TR CU 010 (EAC) (Armenia, Belarus, Kazakhstan, Kirgisia, Russia)
  • TR CU 012 (EAC) (Armenia, Belarus, Kazakhstan, Kirgisia, Russia)
  • TR CU 032 (EAC) (Armenia, Belarus, Kazakhstan, Kirgisia, Russia)
  • TSG 21-2016 (China)
  • DOSH (Malaysia)
  • KHK / High Pressure Gas Safety Act (Japan)
  • ARH/DPP (Algeria)
  • CRN (Canada)
  • NR-13 (Brazil)
  • MOM (Singapore)
  • UDT / DT UC (Poland)
Classification and inspection societies
  • ABS (American Bureau of Shipping)
  • BV (Bureau Veritas)
  • DNV (Det Norske Veritas)
  • LR (Lloyd´s Register)
  • Rina (Registro Italiano Navale)
  • CCS (China Classification Society)
  • KRS (Korean Register of Shipping)
  • NKK (Nippon Kaiji Kyokai)
  • MRS (Russian Maritime Register of Shipping)
  • TÜV (Technischer Überwachungsverein)
  • PRS (Polski Rejestr Statkow)
  • IRS (Indian Register of Shipping)

Need clarity on pressure vessel regulations?