118
Remove cylinder and charge
Caution
:
1.
Avoid banging cylinder against truck
when removing.
2.
Make sure the outlet shut off valve is
closed.
3.
Only take empty cylinder to authorized
charging place. Not allow charge privately,
and the LPG ingredient should meet table 1
Truck Used LPG Technical Requirement.
Note
：
a
)
1# may use more than -20°C;
b)
2 # may use more than -10°C;
c)
3 # may use more than 0°C.
Table 1 Technical Requirement to Truck used LPG
Item
Quality index
Test method
1#
2#
3#
Vapour pressure
（
37.8
℃
, gage
pressure
）
/kPa
≤1430
890
～
1430
660
～
1340
GB/T 6602
a
Mass fraction
of
component/%
Dimethylmethane
＞
85
＞
65
～
85
40
～
65
SH/T 0614
b
Butane and above
component
≤2.5
—
—
Pentane and above
component
—
≤2.0
≤2.0
Total olefin
≤10
≤10
≤10
Butadiene
（
1,3
Butadiene
）
≤0.5
≤0.5
≤0.5
Residue
Evaporated residue/
(mL/100mL)
≤0.05
≤0.05
≤0.05
SY/T 7509
Observe soiled-oil
Pass
Pass
Pass
Density(20
℃
)/(kg/m3)
actually
measure
actually
measure
actually
measure
SH/T 0221
c
Sheet copper corrosion /grade
≤1
≤1
≤1
SH/T 0232
Total sulfur content /(mg/m3)
＜
270
＜
270
＜
270
SH/T 0222
d
