Catalog excerpts
PISTON PRESSURE SWITCH
Open the catalog to page 1We are known throughout Europe as a leading specialist for piston pressure switches and provide our customers with a broad range of pressure switch designs. Many years of experience with material combinations, processing techniques and production tolerances enable us to meet the most varied requirements in a targeted and flexible Our pressure switches are distinguished by their durable precision, a broad spectrum of applications and uncompromising reliability. The DS 507/502 is the "standard" pressure switch. It is, in common with the DS 307/302, precise and durable, but less variable. The...
Open the catalog to page 2TECHNICAL DATA special low-friction seal SERVICE LIFE The service life of a piston pressure switch depends on numerous factors. Minimum and maximum pressures, cycle rate, load change, hydraulic vibration, the load (amp.) on the electrical switch, etc. Where a pressure switch needs to meet special requirements, we are in a position to address the most varied requirements in a flexible and targeted manner, thanks to our years of experience with material pairings, machining processes
Open the catalog to page 3ORDERING INFORMATION DS-5** / - / / SS 1) pipe installation flange connection panel installation adjusting knurl with scale lockable adjusting knurl with scale (E10 H2 closure)) = special low-friction seal, only for following pressure ranges: 5- 55 bar 10-100 bar 40-240 bar 20-350 bar = = = = = Switching pressure ranges 055 100 150 240 350 1) = 5- 55 =10- 100 =20- 150 =40- 240 =20- 350 bar bar bar bar bar pmax. standard pmax. special SS seal 300 400 500 500 500 Fixed switching points preset by manufacturer: - standard pressure rising - falling if desired (several additional details...
Open the catalog to page 4RESET DIFFERENTIAL PRESSURE 1. Standard seal (normal version): The hysteresis achieved during continuous operation is approx. 7-12 % of the final value at a set pressure of approx. 60-70 % of the max. adjustable switching pressure. Example: In the case of a DS-507-100 pressure switch with a pressure range of 10-100 bar, a hysteresis of approx. 7-12 bar is achieved at a set pressure of 70 bar. 2. Special low-friction seal (SS design) The hysteresis achieved during continuous operation is approx. 3-6 % of the final value at a set pressure of approx. 60-70 % of the max. adjustable switching...
Open the catalog to page 5DIMENSIONS Type DS-507/*** or DS-502/*** 1) 1) adjusting setting protection 1) The scale is only provided for orientation. The exact configuration of the switching pressure should be realised with a pressure gauge. Type DS-507/F/*** or DS-502/F/*** 1) 1) 2) O-Ring Ø7x1,5 1) The scale is only provided for orientation. The exact configuration of the switching pressure should be realised with a pressure gauge. 2) The .../P90 version is only available up to Pmax. 350 bar (flange version only). 5/6 Required surface quality of unit support surface
Open the catalog to page 6DIMENSIONS Type DS-507/SCH*** or DS-502/SCH*** 1) 1) 1) The scale is only provided for orientation. The exact configuration of the switching pressure should be realised with a pressure gauge. version “90°” version “axial” standard version version “L-MP***” version “LED-34” Cable sockets 6/6
Open the catalog to page 7^^^■M HYDRAULISCHE ERZEUQNISSE QMBH J CIE KG
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