RE /. Replaces:.9 Check valve cartridge Type M-SR Nominal sizes to Series X Maximum operating pressure bar Maximum flow L/min Overview of contents Contents Page Features Ordering details, symbols Preferred types Symbols, section Technical data Characteristic curves and Cavities and Ordering details HAD Type M-SR..KE..-X/.. Features For installation in manifold blocks As right angled check valve cartridge As straight line check valve cartridge Leak-free closure in one direction Various opening pressures, optional (see ordering details) Check valve = M-SR Nominal size (not with right angled check valve) = Nominal size = Nominal size = Nominal size = Nominal size = Nominal size = Nominal size = Right angled check valve cartridge =KE Straight line check valve cartridge = KD Preferred types, see page, are readily available! M-SR X / * No code = V = Further details in clear text NBR seals (only with right angled check valve) FKM seals (other seals on request) Attention! The compatibility of the seals and pressure fluid has to be taken into account! X = Series to 9 ( to 9: unchanged installation and connection dimensions) = Without spring (not with straight line check valve) = Opening = (Standard) pressure = see = characteristic = curves by Bosch Rexroth AG, Industrial Hydraulics, D-9 Lohr am Main All rights reserved. No part of this document may be reproduced or stored, processed, duplicated or circulated using electronic systems, in any form or by any means, without the prior written authorisation of Bosch Rexroth AG. In the event of contravention of the above provisions, the contravening party is obliged to pay compensation. This document was prepared with the greatest of care, and all statements have been examined for correctness. This document is subject to alterations for reason of the continuing further developments of products. No liability can be accepted for any incorrect or incomplete statements. M-SR / RE /.
Preferred types (readily available) Type Material No. Type Material No. M-SR KD-X/ R99 M-SR KE-X/ R9 M-SR KE-X/ R9 M-SR KE-X/ R9 M-SR KE-X/ R9 M-SR KE-X/ R999 M-SR KE-X/ R99 M-SR KE-X/ R9 M-SR KE-X/ R99 M-SR KE-X/ R999 Further preferred types and standards can be found in the EPS (Standard Price List). Symbols (without spring) (with spring) Section Right angled check valve cartridge Straight line check valve cartridge L, B T NS L.. 9..... A Seat frozen-in at C Stroke For dimensions see installation cavities RE /. / M-SR
Technical data (for applications outside these parameters, please consult us!) General Installation Hydraulic Maximum operating pressure bar Optional Ambient temperature range C to + (NBR seals) to + (FKM seals) Weight NS Right angled check valve cartridge kg...... Straight line check valve cartridge kg....... Opening pressure bar See characteristic curves Maximum flow L/min See characteristic curves Pressure fluid Mineral oil (HL, HLP) to DIN ; Fast bio-degradable pressure fluids to VDMA (also see RE 9 ; HETG (rape seed oil) ; HEPG (polyglycols) ) ; HEES (synthetic ester) ) ; Other pressure fluids on request Pressure fluid temperature range C to + (NBR seals) to+ (FKM seals) Viscosity range mm /s. to Cleanliness class to ISO code Maximum permissible degree of contamination of the pressure fluid is to ISO (C) class // ) Suitable for NBR and FKM seals ) Only suitable for FKM seals ) The cleanliness class stated for the components must be adhered too in hydraulic systems. Effective filtration prevents faults from occurring and at the same time increases the component service life. For the selection of filters see catalogue sheets RE, RE and RE. M-SR / RE /.
Characteristic curves (measured with HLP, ϑ oil = C ± C) M-SR. KE Pressure differential p in relation to the flow q V at opening pressure NS NS NS NS NS NS RE /. / M-SR
Characteristic curves (measured with HLP, ϑ oil = C ± C) M-SR. KD Pressure differential p in relation to the flow q V at opening pressure NS NS NS NS NS NS NS M-SR / RE /.
Cavities: right angled check valve cartridge (dimensions in mm) For plug to RN. For plug to RN., B Ø, B ØD ØD Rz Rz Rz Z Rz T ØD ØD D ) Ø, A T ) T T T T ) T T B D ) ØD A Rz X T Ø, A T T ) T T ) T T Rz Rz ØD A Rz X Rz Rz Ø, A ØD ØD Ø, A ØD ØD Area of downstream bore When fitting the cartridge at an increased depth, dimension T has to be increased accordingly. ) With NBR seals ) Pipe thread "G " to ISO / ) Metric ISO fine thread to DIN ) Depth of fit p N NS Plug ) in ØD ØD D ØD ØD ØD T T T T T T T T X Z Mat. No. bar H H +. +. R9. G / ).... R9. G / )... 9. RN. R99. G / )... R9. G ).... R9. G / ) 9... R9. G / ) 99. 9. 9.. R99 +. H M x. ).. 9 RN. R9 +. H M x. ).. 9. 9 RE /. / M-SR
Cavities: straight line check valve cartridge (dimensions in mm) ØD ØD Z D ;) Rz Pipe thread "G " to ISO / T T ) Metric ISO fine thread to DIN ) Depth of fit T T ) T T ) ØD A Rz Rz Ø, A ØD ØD NS ØD H ØD ØD H D ØD ±. D ) ØD ±. ØD G /. M x.. G /. M x.. G /. M x.. G /. M x. G. M x. G /. M x. G /. M x. NS T. T T T T T Z Poppet stroke 9... 9........ 9..... 9 9. 9.. M-SR / RE /.
Notes Bosch Rexroth AG Industrial Hydraulics D-9 Lohr am Main Zum Eisengießer D-9 Lohr am Main Telefon 9 / - Telefax 9 / - Telex 9 - email documentation@boschrexroth.de Internet www.boschrexroth.de Bosch Rexroth Limited Cromwell Road, St Neots, Cambs, PE9 ES Tel: / Fax: / 9 E-mail: info@boschrexroth.co.uk The data specified above only serves to describe the product. No statements concerning a certain condition or suitability for a certain application can be derived from our information. It must be remembered that our products are subject to a natural process of wear and ageing. RE /. / M-SR