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Stokknes AS is a company specialized in design and manufacturing of pump accessories - and especially the ones hard to find for niche applications.
We currently have these products in our range and constantly developing new innovations:
Under development: 1035 barg filters
Planned ready for first delivery march this year: modified 700 barg housing with 9/16" AE connections for pressure rating 1035 barg
Air Driven Double Diaphragm Pumps
Newest addition to our range of products are the air driven driven doube diaphragm pumps. Ranging from 1/4" up to 2" in various materials - Atex approved for zone 1 or 2 dependant on material selection.

Try us for pricing
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500 barg low flow housing
Element of SS316 ranging from 3 micron up to 50 micron. Housing with 1/2" NPTF connections, drain 1/4" NPTF in SS316
Size of element: OD10mm x 90mm length
Other materials available on request
700 barg high flow housing
Element of SS316 ranging from 3 micron up to 50 micron. Housing with 1/2" NPTF connections in Super Duplex
Size of element: OD32mm x 190mm length
Other materials available on request
Calibration pots
The hard to find calibration pots from the smallest flowrates to larger pump systems, constructed of lexan/ PCV for the widest chemical compability.
Fisr delivery to Gudrun Platform H2S system

Chemical seal
Constructed for acid applications with titanium process part with PTFE diaphragm. Instrument part of SS316 with vent plug for filling/ draining.
1/2" NPTF process connection
1/4" Instrument connection
Other materials and connections available on request

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