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WSM Minor Change II Service Engineering Section
d. Accumulator
1. Structure and specifications: PP-version
PP-version has newly adopted the accumulator.
1) Type code: SB0210-0.32E1/663U-210LH010
2) Manufacture: HYDAC GMBH
3) Specification
(1) Volume : 0.32 L (0.027 us gal)
(2) Permissible max. working pressure :
210 bar (214 kgf/cm
2
) 21 MPa(3047 psi)
(3) Charge gas : Nitrogen (N
2
gas)
(4) Charge pressure :
10±1 bar (10.2±1 kgf/cm
2
) 1±0.1MPa(145±1.4 psi)
(5) Media : Mineral oil
(6) Allowable pressure ratio
(Max. pressure / charging pressure)
: Under 8 / 1
Example
When charging pressure is set 10 bar, should set
max. pressure under 80 bar for use.
(7) Temperature of oil : -30 q ~ +80 qC (-86 q ~ +176 qF)
(8) Weight : 1.3 kg (2.87 lbs)
(9) Surface treatment : Black primer
(1) Valve screw
(2) Protecting cop
(3) Seal ring
(4) Retainer
(5) Marking
(6) Shell
(7) Diaphragm
(8) Valve poppet
(9) Hex. screw 36
(10) Protecting plug
(11) Screw type: G 1/2
JIS B2351 Type 0
(12) The gas pressure po is variable
with our charging and gouging set.
Starting torque screw 20 Nm
(6)
(1)
(12)
(4)
(5)
(2)
(3)
(7)
(8)
(9)
(10)
(11)
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