HAWE Hydraulik AC Series Product Documentation

Diaphragm accumulator

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Diaphragm accumulator type AC
Diaphragm accumulator type AC
Product documentation
Product documentation
Operating pressure p
Operating pressure p
max
max
Nominal volume V
Nominal volume V
0 max
0 max
D 7969
D 7969
11-2020-1.8
11-2020 - 1.8
:
:
:
:
350 bar
350 bar
3.5 dm
3.5 dm
3
3

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Summary of Contents for HAWE Hydraulik AC Series

  • Page 1 Diaphragm accumulator type AC Diaphragm accumulator type AC Product documentation Product documentation Operating pressure p Operating pressure p 350 bar 350 bar Nominal volume V Nominal volume V 3.5 dm 3.5 dm 0 max 0 max D 7969 D 7969 11-2020 - 1.8 11-2020-1.8...
  • Page 2 Brand names, product names and trademarks are not specifically indicated. In particular with regard to registered and protected names and trademarks, usage is subject to legal provisions. HAWE Hydraulik respects these legal provisions in all cases. Printing date / document generated on: 13.11.2020 ©...
  • Page 3: Table Of Contents

    Replacing USIT ring (20).............................24 5.5.2 Checking gas lling pressure..........................25 Other information.............................26 Notes regarding the lay-out..........................26 Accessories, spare parts and separate components....................27 6.2.1 Testing device DFM.............................27 6.2.2 Mounting brackets.............................. 27 6.2.3 Fittings................................28 © HAWE Hydraulik SE D 7969 - 11-2020-1.8 3/29...
  • Page 4: Overview Diaphragm Accumulator Type Ac

    ■ support the pump delivery ■ improve system efficiency ■ pulsation dampening in hydraulic systems ■ compensation of pressure variations due to temperature changes ■ compensate internal leakage (when apparent) © HAWE Hydraulik SE 4/29 D 7969 - 11-2020-1.8...
  • Page 5: Available Versions, Main Data

    (bar) difference AC 0725 0.075 AC 202 0.16 AC 322 0.32 AC 603 AC 1002 AC 1035 AC 1414 AC 2001 AC 2002 AC 2825 AC 3503 © HAWE Hydraulik SE D 7969 - 11-2020-1.8 5/29...
  • Page 6 AC 3503 For information on the gas pre-load pressure p see also Chapter 6.1, "Notes regarding the lay-out" For information on accessories, replacement parts and individual parts see also Chapter 6.2 © HAWE Hydraulik SE 6/29 D 7969 - 11-2020-1.8...
  • Page 7 - G 3/8 A /2AW - G 3/8 A - G 1/2 A AC 3503 - G 3/4 (internal thread) * - G 1/2 (male thread) - G 3/4 (male thread) * Basic version © HAWE Hydraulik SE D 7969 - 11-2020-1.8 7/29...
  • Page 8: Parameters

    AC 1035, AC 2825, AC 3503 Lifetime 1.2 x 10 cycles For all other operating conditions the lifetime in accordance with PD 5500 Annex C must be observed (Pressure Equipment Directive) © HAWE Hydraulik SE 8/29 D 7969 - 11-2020-1.8...
  • Page 9 = 3.5 kg AC 1035 = 7.5 kg AC 1414 = 6.0 kg AC 2001 = 4.0 kg AC 2002 = 7.5 kg AC 2825 = 8.6 kg AC 3503 = 13.4 kg © HAWE Hydraulik SE D 7969 - 11-2020-1.8 9/29...
  • Page 10: Dimensions

    4.1 Diaphragm accumulator AC 0725 /1A AC 202 /1A AC 202 /2A AC 202 /2AW AC 202 /3 AC 202 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE 10/29 D 7969 - 11-2020-1.8...
  • Page 11 AC 322 /1A AC 322 /2A AC 322 /2AW AC 322 /3 AC 322 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE D 7969 - 11-2020-1.8 11/29...
  • Page 12 AC 603 /1A AC 603 /2A AC 603 /2AW AC 603 /3 AC 603 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE 12/29 D 7969 - 11-2020-1.8...
  • Page 13 AC 1002 /2A AC 1002 /2AW AC 1002 /3 AC 1002 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE D 7969 - 11-2020-1.8 13/29...
  • Page 14 AC 1035 /1A AC 1035 /2A AC 1035 /2AW AC 1035 /3 AC 1035 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE 14/29 D 7969 - 11-2020-1.8...
  • Page 15 AC 1414 /22 AC 1414 /2A AC 1414 /2AW AC 1414 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE D 7969 - 11-2020-1.8 15/29...
  • Page 16 AC 2001 /3A AC 2002 /3A AC 2002 /4 See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE 16/29 D 7969 - 11-2020-1.8...
  • Page 17 AC 2825 /1A AC 2825 /2A AC 2825 /2AW AC 2825 /3 AC 2825 /3A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE D 7969 - 11-2020-1.8 17/29...
  • Page 18 AC 3503 /3A AC 3503 /4 AC 3503 /4A See also Chapter 6.2, "Accessories, spare parts and separate components" © HAWE Hydraulik SE 18/29 D 7969 - 11-2020-1.8...
  • Page 19: Assembly, Operation And Maintenance Recommendations

    The operator holds sole responsibility for compliance with the existing regulations. The supplied documents must be kept in a safe place; they will be needed for recurring inspections. © HAWE Hydraulik SE D 7969 - 11-2020-1.8 19/29...
  • Page 20: Transport And Storage

    If the product can no longer be operated safely: 1. Remove the product from operation and mark it accordingly. ✓ It is then not permitted to continue using or operating the product. © HAWE Hydraulik SE 20/29 D 7969 - 11-2020-1.8...
  • Page 21: Assembly Information

    Ensure that the accumulator is suitable for the operating conditions with regard to max. operating pressure, lling pressure and temperature range. Filling with gas: M16x2 mm gas valve with protective cap. © HAWE Hydraulik SE D 7969 - 11-2020-1.8 21/29...
  • Page 22 Hoses with G 1/4 and G 1/2 connection nuts are available for connection to such bottle pressure reducers DIN 560 . NOTE For order numbers for the lling and testing device, see Chapter 6, "Other information" © HAWE Hydraulik SE 22/29 D 7969 - 11-2020-1.8...
  • Page 23 7. Remove lling device 6 from the diaphragm accumulator (1). Tighten the lling screw (4) with 20+5 Nm and reinstall the protective cap (2) on gas port 3 (M28x1.5) © HAWE Hydraulik SE D 7969 - 11-2020-1.8 23/29...
  • Page 24: Operating Instructions

    After screwing back in the gas lling screw (4) the lling process as Chapter 5.3, "Assembly information" for a gas lling pressure change from zero to the required value can be started. © HAWE Hydraulik SE 24/29 D 7969 - 11-2020-1.8...
  • Page 25: Checking Gas Lling Pressure

    Each test sequence causes a small loss of gas lling pressure due to the internal volume of the lling device. ■ It is possible to carry out a gas lling pressure check on the uid side. © HAWE Hydraulik SE D 7969 - 11-2020-1.8 25/29...
  • Page 26: Other Information

    Adiabatic changes during quick operations ( (polytrophic exponent n = 1.4, applies to Nitrogen), e.g. when used for dampening circuits ) Calculation V = 1.5 ... 3 x ΔV) (reference value: V © HAWE Hydraulik SE 26/29 D 7969 - 11-2020-1.8...
  • Page 27: Accessories, Spare Parts And Separate Components

    73 - 78 M8x75 CE 136 128 - 138 80 - 85 M8x75 CE 155 146 - 157 81 - 86.5 M10x80 CE 168 166 - 176 92 - 96 M10x80 © HAWE Hydraulik SE D 7969 - 11-2020-1.8 27/29...
  • Page 28: Fittings

    AC 322 AC 603 AC 1002 AC 1035 AC 2825 Double nipple complete 7969 019 AC 2002 AC 3503 Double nipple complete 7969 014 AC 1414 EGE 20-SR-ED AC 3503 GE 20-SR-ED/OMD © HAWE Hydraulik SE 28/29 D 7969 - 11-2020-1.8...
  • Page 29 Miniature hydraulic accumulators, type AC: D 7571 ■ Piston type accumulators, type HPS: D 7969 HPS HAWE Hydraulik SE Einsteinring 17 | 85609 Aschheim/Munich | Postfach 11 55 | 85605 Aschheim | Germany Tel +49 89 379100-1000 | Fax +49 89 379100-91000 | info@hawe.de | www.hawe.com...

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