8 injection valve, 9 suppressor, Injection valve – Metrohm 930 Compact IC Flex ChS/PP/Deg User Manual

Page 107: Suppressor

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7 Technical specifications

930 Compact IC Flex ChS/PP/Deg (2.930.1360)

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99

Reproducibility
of the eluent
flow

< 0.1% deviation

Pressure range

Pump

0 - 50.0 MPa (0 - 500 bar)

Pump head

0 - 35.0 MPa (0 - 350 bar) (applies for the standard PEEK pump head)

Residual pulsa-
tion

< 1%

Safety shutdown

Function

Automatic shutdown upon reaching the pressure limit values

Maximum pres-
sure limit

Adjustable from 0.1 - 50 MPa (1 - 500 bar)

The pump is automatically shut down at the first piston stroke
above the maximum limit value

Minimum pres-
sure limit

Adjustable from 0 - 49 MPa (0 - 490 bar)

The shutdown mechanism is inactive at 0 MPa

The shutdown mechanism becomes active 2 minutes after system
start

The pump is automatically shut down after 3 piston strokes below
the minimum pressure limit

7.8

Injection valve

Actuator switch-
ing time

typ. 100 ms

Maximum operat-
ing pressure

35 MPa (350 bar)

Material

PEEK

7.9

Suppressor

Resistance to sol-
vents

No restriction

Switching time

typ. 100 ms

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