174VB Nut with left thread

EV Metalværk has worked with production of fittings and valves for more than 30 years, and has achieved great competence within these fields. Thanks to our highly technological production equipment and experienced development department, we are further the preferred cooperation partner for unique solutions and production of special articles.
Of course, the company is ISO 9001:2015 certified by Bureau Veritas with strict requirements for ongoing improvements and control.
Measure tools and measure equipment are subject to systematic calibration with an accredited supplier. Apart from our high quality requirements, we offer material certifications, measurement reports, compression test and flow measurement.
EV Metal´s sanitary valves are of course subject to the Smiley regulations of the Danish Veterinary and Food Administration, and the control report is available via the link below.

EV Metalværk A/S is situated in the lovely surroundings of Ringkøbing, near the North Sea. We are a state-of-the-art automatic turnery with highly technological production equipment, skilled and dedicated employees, focusing on the customer.
Due to our great experience and knowhow as subcontractor to more than 50 different branches, we are able to cooperate regardless the size and nature of a special assignment.
As subcontractor, we offer varied production methods – including CNC turning, CNC milling, long turning and different mounting assignments.
Today, we work on many kinds of material, e. g. brass, steel, stainless steel, aluminum, titanium, plastic etc. and have access to any kind of surface treatment, due to our qualified subcontractors.