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Bosch Rexroth Corp., Model HAB..-7X,

RA 50175-B/07.2016

More detailed information on operating conditions, connection dimensions and

performance limits of the bladder-type accumulator are provided in data sheet

RA 50175, see chapter 1.2 “Required and amending documentation”.

7 Bladder accumulator product description

7.1

Product description

Bladder-type accumulators are intended for the use in hydraulic systems. They are used for
energy storage, shock and vibration absorption, and leakage oil compensation or volume
compensation. The high compressibility of gases is used for the bladder-type accumulator.
Bladder-type accumulators of type HAB..-7X basically comprise the following components:

Fig. 2: Typical Bladder Accumulator Installation

16

Product description

1
2
3

4

5

6

7

8

9

10

Gas Side

Fluid Side

1.  Valve guard
2.  Valve cap
3.  Gas valve core
4.  Gas valve body

5.  Name plate
6.  Fluid port assembly
7.  Gauge port
8.  Hydraulic line

9. Clamp
10. Support bracket

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Содержание Rexroth HAB-7X Series

Страница 1: ...Bladder type accumulators Model HAB 7X Installation and operating instructions RA 50175 B 07 2016 Replaces ...

Страница 2: ...nstitute assured characteristics The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products are subject to a natural process of wear and aging This document as well as the data specifications and other information set forth in it are the exclusive property of Bosch Rexroth Corp It may not be reproduced or given to th...

Страница 3: ...the responsible service point You can also find them under www boschrexroth com ES Este producto únicamente podrá utilizarse cuando disponga de las instrucciones de servicio en un idioma que entienda y haya entendido su contenido En caso contrario diríjase a su persona de contacto de Bosch Rexroth o al servicio técnico competente que podrá encontrar también en la dirección www boschrexroth com ET ...

Страница 4: ...cnica Encontre os em www boschrexroth com RO Aveţi voie să utilizaţi acest produs doar după ce aţi primit acest manual de utilizare într o versiune de limbă inteligibilă pentru dumneavoastră şi aţi înţeles conţinutul său Dacă aceste condiţii nu sunt îndeplinite adresaţi vă persoanei dumneavoastră de contact de la Bosch Rexroth sau la service ul Bosch Rexroth competent Găsiţi aceste service uri la ...

Страница 5: ...gations 10 3 General notes regarding property damages and product damages 11 4 Scope of delivery 13 5 General 14 5 1 Bladder accumulators 14 6 Mounting and installation 15 6 1 Checking the gas pre charge pressure 15 6 2 Testing pre charge pressure 15 7 Bladder accumulator product description 16 7 1 Product description 16 7 2 Product identification 17 8 Transport and storage 18 8 1 Transport of the...

Страница 6: ...aulic fluids based on mineral oils and related hydrocarbons Describes the requirements on hydraulic fluids on mineral oil basis and related hydrocarbons for operation with Rexroth hydraulic components and helps you to select a hydraulic fluid for your hydraulic system 90220 Data sheet General product information on hydraulic products Contains general information on hydraulic products 07008 Operati...

Страница 7: ...Z535 6 2006 Safety alert symbol Signal word Meaning DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING Indicates an hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury NOTICE Damage to proper...

Страница 8: ...inition is improper and thus inadmissible Inadequate products installed or used for safety relevant applications may produce unintended operating behavior and result in product or property damage For this reason use a product in safety relevant applications only on condition that such use is specified and allowed in the corresponding product documentation For instance in a potentially explosive at...

Страница 9: ...roduct in safety relevant applications only on condition that such use is specified and allowed in the corresponding product documentation Prior to commissioning the product make sure that the end product e g a machine or line into which Rexroth products are integrated perfectly complies with the country specific provisions safety regulations and standards applicable to its use 2 6 Product and tec...

Страница 10: ...remove the bleeder port plug without completely depressurizing the system WARNING Risk of Explosion Never carry out any welding soldering or mechanical work on the accumulator vessel Risk of explosion during welding and soldering Risk of bursting and loss of the operating permission in the case of mechanical working Never charge hydraulic accumulators with oxygen or air Risk of explosion Before ca...

Страница 11: ...dust and foreign substances in order to prevent foreign particles e g welding beads or metal chips from getting into the hydraulic lines and causing wear or malfunctions of the bladder type accumulator The bladder type accumulator must be protected from dirt during installation Make sure that all connections hydraulic lines and attachment parts e g measuring devices are clean and free of chips For...

Страница 12: ... If hydraulic fluid is spilled use an oil binding agent Observe the information in the safety data sheet of the hydraulic fluid and the system manufacturer s provisions The warranty applies exclusively to the delivered configuration The claim to warranty expires if the product is assembled commissioned and operated incorrectly not used as intended and or handled improperly 12 General notes ...

Страница 13: ...HAB 7X The scope of delivery includes 1 bladder type accumulator type HAB 7X 2 1 operating instructions Upon delivery the following parts are also mounted Cover cap at the gas valve 1 Protective cap at the oil port 3 Bladder type accumulators are supplied with a primer coat of paint Further details are in section 5 1 13 Scope of delivery ...

Страница 14: ...mulator stand and the customer specifies a particular finish coating on the entire unit It is the user s responsibility to provide sufficient corrosion protection corresponding to the ambient conditions that the accumulator will be exposed to over the life time of the equipment If a finish coat is desired it is strongly recommended to mask the accumulator nameplate and all caution warning labels p...

Страница 15: ...assembly accumulator shell or seals NOTE Exercise care not to paint over rating nameplate or the warning label 6 1 Checking the gas pre charge pressure Bleed off hydraulic system pressure After the accumulator has been put in service the precharge pressure should be checked with an accumulator charging and testing device at least once in the first week If this check reveals no loss in pressure the...

Страница 16: ... for the use in hydraulic systems They are used for energy storage shock and vibration absorption and leakage oil compensation or volume compensation The high compressibility of gases is used for the bladder type accumulator Bladder type accumulators of type HAB 7X basically comprise the following components Fig 2 Typical Bladder Accumulator Installation 16 Product description 1 2 3 4 5 6 7 8 9 10...

Страница 17: ...cumulators NOTE for top repairable accumulators adhesive nameplates are used and affixed directly to the shell surface RELEAS E H Y D R A U L I C P R E S S U R E B E F O R E DISCONNE C T I N G F R O M H Y D R A U L I C S Y S T E M SLOWLY RE L E A S E N I T R O G E N P R E S S U R E B E F O R E DISASSEMB L Y O F T H E A C C U M U L A T O R ASSEMBLED IN USA P R E C H A R G E O N L Y W I T H D R Y 9 ...

Страница 18: ...t surface to prevent damage Uncontrolled rolling away overturning or falling of the bladder type accumulator Risk of injury Damage to property Make sure that the bladder type accumulator is positioned safely and secured against unintended rolling away overturning or falling Before transport close all openings using the supplied protective caps cover caps in order to prevent dirt or humidity from p...

Страница 19: ...a short time if necessary 8 1 2 Transport using a forklift WARNING Falling of the bladder type accumulator during transport Risk of injury Damage to property Only transport the bladder type accumulator using a forklift if it is securely strapped to a pallet or in stable packaging and secured against rolling away To transport the bladder type accumulator using a forklift proceed as follows 1 Move t...

Страница 20: ...city Make sure that the bladder type accumulator is safely fixed using the lifting strap lifting sling Guide the bladder type accumulator by hand for fine positioning 1 Attach the lifting strap lifting sling by making loops on both sides of the bladder type accumulator 2 Carefully lift the bladder type accumulator to check the center of gravity position Ensure a stable center of gravity position 3...

Страница 21: ... etching substances and gases Optimum storage temperature 5 C to 20 C Ensure a constant temperature if possible Protect the bladder type accumulator against impacts during storage Ensure that the cover cap at the gas valve and the protective cap at the oil valve are attached The maximum storage time of the bladder type accumulator amounts to 5 years Procedure after expiration of maximum storage ti...

Страница 22: ...rge pressure on the gauge 5 If the precharge pressure is too high it may be reduced by opening the drain valve and allowing some nitrogen to escape NOTE The precharge pressure will vary depending on the gas temperature Once the desired precharge is reached it is necessary to wait 2 minutes until the gas temperature has equalized 6 Once again the precharge pressure needs to be checked and adjusted ...

Страница 23: ...hragm type SAE 7 8 14 UNF 10 SAE 0538103013 HAB 4X Charge kit for NAFTA Complete Assembly Bladder type U S version Diaphragm type SAE 7 8 14 UNF 10 SAE 0538103013 HAB 5X Charge kit for NAFTA R978046091 HAB 6X Charge kit for NAFTA Complete Assembly Bladder type U S version Diaphragm type SAE 7 8 14 UNF 10 SAE 0538103013 HAB 7X Charge kit for NAFTA Complete Assembly Bladder type U S version Diaphrag...

Страница 24: ...duct No statements concerning a certain condition or suitability for a certain application can be derived from our information The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products are subject to a natural process of wear and aging RA 50175 B 07 2016 Bosch Rexroth Corporation 2016 Printed in the United States ...

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