1. Hydraulics - Pneumatics
  2. Pipe, Tube and Fitting
  3. Chemical fitting
  4. Parker Fluid System Connectors Division Europe

Chemical fitting 21 series

chemical fitting
chemical fitting
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for chemicals, pneumatic
brass, stainless steel
Other characteristics
poppet, vacuum, non-spill

5 mm (0.197 in)

Operating pressure

Min.: 8 bar (116.03 psi)

Max.: 35 bar (507.63 psi)


Quick coupling system with nominal diameter 5 for pneumatic and fluid handling applications up to 35 bar. Coupling system with the world's most popular profile in this nominal diameter. Available made of brass or stainless steel. Parker's Series 21 is a mini industrial coupling with the world's most popular profile in this nominal diameter. This coupling series has above average flow performance for liquid and gaseous media. The coupling system is developed for single-hand operation. Series 21 stands out for it's small dimensions and a large band width in materials and valve variants. Markets: -Machinery Construction -Industrial -Material Handling -Transportation -Automotive -Life Science -Process -Food & Beverage -Rescue Equipment -Aerospace Features/Benefits: -Mini Industrial Coupling -Single-hand operation for easy and fast connection -Most common plug profile worldwide -Big variety of materials, shut off types and end connections Applications: -Paint Applications -Fluid Transfer -Laboratory Gas Supply -Vacuum Applications -Food and chemical processing -Water and coolant lines -Automation


*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.