HK BLAK

Bladder accumulator

The product image may differ

Material

bladder: NBR standard version

Application

Energy storage

Emergency actuation

Leak oil and volume compensation

Shock absorption and pulsation damping

Suspension of vehicles

Construction type

installation preferably vertical, gas side top

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HK BLAK 1.0 350 114 HK BLAK 2.5 350 114 HK BLAK 4.0 350 114 HK BLAK 5.0 350 114 HK BLAK 6.0 350 114 HK BLAK 10.0 350 2 HK BLAK 10.0 330 K2 HK BLAK 20.0 330 2 HK BLAK 32.0 330 2 HK BLAK 50.0 330 2

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Characteristics

Material

bladder: NBR standard version

Application

Energy storage
Emergency actuation
Leak oil and volume compensation
Shock absorption and pulsation damping
Suspension of vehicles

Construction type

installation preferably vertical, gas side top

Temp. range

standard version -15 °C to +80 °C

Customs tariff number

84798997

All characteristics

Product description

Notes

Gas charge pressure p0 – between 0.9 p1 and 0.25 p2 (p1 = min. system pressure, p2 = max. system pressure)
CE label for all bladder accumulators
Repair kits, see HK BLAK REPKIT

Description

As liquids are practically incompressible, the compressibility of a gas (in this case nitrogen) is used in hydraulic accumulators to store energy.
A hydraulic accumulator consists of two chambers (liquid side and gas side), which are separated by a flexible, gas-tight element. The liquid side is connected to the hydraulic circuit of the system. When the pressure in the system rises, the accumulator is filled with oil and the gas is compressed. If the pressure drops, the stored pressurised liquid is forced back into the circuit by expansion of the compressed gas.

Ordering information

Pressure accumulators are available uncharged ex-warehouse. Additional costs apply upon customer request for N2-charging.

Product variants

10 Results

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Show dimensional drawing

HK BLAK 1.0 350 114

1 l

350 bar

334 mm

216 mm

HK BLAK 2.5 350 114

2.5 l

350 bar

533 mm

415 mm

HK BLAK 4.0 350 114

4 l

350 bar

420 mm

302 mm

HK BLAK 5.0 350 114

5 l

350 bar

882 mm

764 mm

HK BLAK 6.0 350 114

6 l

350 bar

546 mm

428 mm

HK BLAK 10.0 350 2

10 l

350 bar

811 mm

693 mm

HK BLAK 10.0 330 K2

10 l

330 bar

571 mm

415 mm

HK BLAK 20.0 330 2

20 l

330 bar

881 mm

725 mm

HK BLAK 32.0 330 2

32 l

330 bar

1,406 mm

1,250 mm

HK BLAK 50.0 330 2

50 l

330 bar

1,921 mm

1,765 mm

pmax = max. working pressure

Gas volume l (l)

p max. (bar)

A (mm)

B (mm)

C (mm)

F

Ø D (mm)

Ø d (mm)

E (mm)

Ø G (mm)

pmax = max. working pressure

Parts and Accessories

Replacements

MAS_HK_BLAK_REPKIT

HK BLAK REPKIT

10 Variants

Repair kit for bladder accumulator

bladder: NBR standard version

Gas connection Ø 22 mm, 7/8″ -14 UNF

for bladder accumulator HK BLAK

Customs tariff number

40169991

Accessories

HK CD

1 Variants

Accumulator clamp

to fasten pressure accumulators

HK AS

5 Variants

Accumulator adapters for safety and isolation block

steel

Customs tariff number

84314980

HK KONS

3 Variants

Console for bladder accumulators

console: steel, galvanised

rubber ring: NBR

to fasten pressure accumulators

Customs tariff number

84314980

HK SAB M

6 Variants

Safety and isolation block with manual relief

Max. working pressure

max. 350 bar

Additional feature

with TÜV certification

seal: NBR

for accumulator M 33 x 2

Construction type

safety valve

HK ADA S

2 Variants

Accumulator adapters for safety and isolation block

Max. working pressure

up to 400 bar

steel

Measuring connection side G 1/4″

Customs tariff number

84314980

HK CE

9 Variants

Accumulator clamp

to fasten pressure accumulators

HK BLAK DS

2 Variants

Dichtsatz Ölseite für Blasenspeicher

Seal kit, consisting of O-ring and support ring

for bladder accumulator HK BLAK

MAS_HK_BLAK_RING

HK BLAK RING

2 Variants

Extrusionsschutzring für Blasenspeicher

split steel ring

for bladder accumulator HK BLAK

HK FPV

1 Variants

Füll- und Prüfvorrichtung für Druckspeicher

Compact set in plastic case

Max. working pressure

400 bar

universal for bladder accumulators and diaphragm accumulators with gas connection M 28 x 1.5

Customs tariff number

90262080