Riegler 637.21

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Inline pressure regulator, 2 x IT, without secondary venting, G 1/4, AF 17, Working pressure (pre-set) 6.5 bar, PN max. 18 bar
This single-acting diaphragm regulator can be installed in any pneumatic system. Since the pressure is preset in the factory and cannot be altered, the product is also tamper-proof.
We recommend mounting the regulator directly on the tool to make sure the correct pressure is applied. In this case, the tool is never stressed by the higher pressure of the supply system and is protected against pressure fluctuations in hoses, pipes, etc.
Energy efficiency and economic efficiency can be achieved by using an inline pressure regulator.


A [mm] : 34
B [mm] : 52
Flow rate [l/min] : 800
Flow rate measurement : At P1 = 12 bar and pressure drop ?p = 0.5 bar
Housing : Zinc
Internal parts : Brass, NBR, stainless steel
Max. operating pressure [bar] : 18
Max. temperature range [°C] : 60
Page No. : HK175
Series : inline
Thread : G 1/4
Working pressure (preset) [bar] : 0
a/f [mm] : 17


Click below to download the product-related documents


Manual-1
Manual-2
Manual-3