Agilent Technologies G4239C Manuale utente

Agilent Technologies

Agilent G4239C Valve Kit -

Instructions

Agilent G4239C Valve Kit - Instructions

Technical Information about the Agilent Valve Kit G4239C.

Contents

Typical Applications 2

Multicolumn Selection 2

Method Development 3

Delivery Checklist 4

Install the Valve Heads 5

Remove the Transportation Lock and the Valve Dummy 5

Install the Valve Head and Connect Capillaries 6

Install the Capillaries 8

Setup Examples 10

Valve Specifications 11

Valve Parts 11

Typical Applications

Multicolumn Selection

Typical Applications

Multicolumn Selection

Advantages

•Increase productivity

•Higher instrument up- time

Quickly change between up to eight different stationary phases for different

applications, or use identical stationary phases in columns with different

dimensions for either faster run- times (short columns) or higher resolution (long

columns) or for loading studies with different internal diameters.

Figure 1 The G7116B 1290 Infinity II Series Multiple Column Thermostat equipped with an

8 Column Selector Valve

Typical Applications

Method Development

Advantages:

•Faster method development

•Automated method development possible

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Figure 2 Totally different chromatographic results by using the same sample but three different

stationary phases

Delivery Checklist

Method Development

Delivery Checklist

p/n Description

5067-4233 8 Column Selector, 1300 bar

G4239C

5067-4248 Capillary Kit, 0.12 mm, 8-column sel. PCHex (OPTIONAL)

Capillary Kit

(5067-4248) # p/n Description

15500-1202 Capillary SST 0.12x500mm M4-SL PS-PS

Autosampler to valve

85500-1199 Capillary SST 0.12x130mm M4-SL PS-PS

Valve to heat exchanger

15500-1200 Capillary SST 0.12x130mm M4 PS-NS LS

Column to valve

15063-6591 PEEK Fittings 10/PK

Column outlet

85500-1201 Capillary SST 0.12x105mm SL-- PS-LS

Heat exchanger (ps-SL) to column (long socket - use G1314-68703)

8G1314-68703 Cap fitting kit special

Column inlet connection fitting

15500-1203 Capillary SST 0.12x280mm M4-SL PS-PS

Valve (ps-M4) to detector (ps-SL)

15500-1204 Capillary SST 0.12x150mm M4-M4 PS-PS

Valve to valve (column bypass)

15023-2504 Hex driver SW-4 slitted

Tool for M4 fittings

8G7116-60015 Heat Exchanger Assembly 1.6 µL-Z Quick Connect Heatexchanger

Standard Flow

Low dispersion heat exchangers

1G1375-87326 Waste tube

Waste tube incl. M4 PEEK fitting

35067-6141 M4 Blank nut

for plugging unused valve ports

8G7116-68003 Column Holder Clips (2/Pk) for G7116B

Capillary & Fitting Information

•M4 = fitting thread size for micro valve ports

•PS = pre- swaged fitting

•NS = non- swaged fitting

•SL = fitting screw long

•LS = long capillary socket (required for special fittings as the A- Line Quick

Turn Fittings)

Install the Valve Heads

Remove the Transportation Lock and the Valve Dummy

Install the Valve Heads

The valve drives are factory- installed in the 1290 Infinity II Multicolumn

Thermostat. The valve heads are interchangeable and can be easily mounted.

At the first installation, the transportation lock and the dummy valve have to be

removed, see “Remove the Transportation Lock and the Valve Dummy” on page 5.

The valve heads can be installed by mounting the valve heads onto the valve

drives and fastening the nut manually (do not use any tools).

Be sure that the guide pin snaps into the groove of the valve drive thread.

1When unscrewing the transportation lock, push it back until the

last screw is removed - the valve rail is spring-loaded.

2Press on the valve dummy to release it (spring-loaded valve

rail).

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3 4

Remove the Transportation Lock and the Valve Dummy

NOTE

Following procedures may show the 1290 Infinity TCC. The MCT uses the same valve heads, the

valve head installation is the same.

NOTE

The valves are mounted on pull-out rails to allow easy installation of capillaries. Push the valve

gently into its housing until it snaps into the inner position, push it again and it slides out.

When all capillaries are installed, push the valve back into its housing, see “Install the Valve Head

and Connect Capillaries” on page 6.

The valve actuator contains sensitive optical parts, which need to be protected from dust and

other pollutions. Pollution of these parts can impair the accurate selection of valve ports and

therefore bias measurement results.

➔Always install a valve head for operation and storage. For protecting the actuator, a dummy

valve head can be used instead of a functional valve. Do not touch parts inside the actuator.

Column Damage or Bias Measurement Results

Switching the valve to a wrong position can damage the column or bias measurement results.

➔Fit the lobe to the groove to make sure the valve is switched to the correct position.

Valve Damage

Using a low pressure valve on the high pressure side can damage the valve.

➔When using multiple column compartments as part of a method development solution, make

sure that the high pressure valve head is connected to the autosampler and the low pressure

valve head is connected to the detector.

Install the Valve Heads

Install the Valve Head and Connect Capillaries

CAUTION

NOTE

For a correct installation of the valve head, the outside pin (red) must completely fit into the outside

groove on the valve drive’s shaft (red). A correct installation is only possible if the two pins (green

and blue) on the valve head fit into their corresponding grooves on the valve drive’s actuator axis.

Their match depends on the diameter of the pin and groove.

Install the Valve Heads

Install the Valve Head and Connect Capillaries

1Insert the valve head into the valve shaft.

If the outside pin does not fit into the outside groove, you have to

turn the valve head until you feel that the two pins snap into the

grooves. Now you should feel additional resistance from the valve

drive while continue turning the valve head until the pin fits into

the groove.

2When the outer pin is locked into the groove, manually screw

the nut onto the valve head.

NOTE

Fasten the nut manually. Do not use any tools.

Install the Capillaries

Install the Valve Head and Connect Capillaries

Install the Capillaries

3Install all required capillary connections to the valve. 4Push the valve head until it snaps in and stays in the rear

position.

5Power on or power-cycle your module, so the valve head gets recognized during module initialization.

Damage to the rotor seal

Instant pressure release within the valve will lead to water jet effects that can harm internal

parts of the valve. This pressure release typically happens if the valve gets switched under high

pressure over unused or open channels.

➔Block all unused channels properly with the M4 blank nut.

CAUTION

NOTE

To minimize valve movement over open connections it is recommended to plumb the column

connected channels in one row.

e.g.:

•channel 1 – column 1

•channel 2 – column 2

•channel 3 – column 3

•channel 4 – column 4

•channel 5 – blocked

•channel 6 – blocked

•channel 7 – waste

•channel 8 – bypass

NOTE

The blank nuts are only required for the ports on the inner circle that connect the valve with the

column inlet.

Install the Capillaries

Install the Valve Head and Connect Capillaries

1Install the in and out connectors.

•from sampler to the valve ( Capillary SST 0.12x500mm M4- SL PS- PS

(5500- 1202))

•from valve to the detector ( Capillary SST 0.12x280mm M4- SL PS- PS

(5500- 1203))

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The In port is hydraulically connected to the column inlet ports 1- 8 on the

inner ring while the Out port connects to the column outlet ports 1`-8` on the

outer ring.

2Install the column inlet and outlet connections.

ports 1-8 for connections from valve to the heat exchanger ( Capillary SST 0.12x130mm M4-SL PS-PS

(5500-1199)) or waste line (Waste tube (G1375-87326))

ports 1`-8` for connections from column outlet to valve ( Capillary SST 0.12x130mm M4-SL PS-NS LS

(5500-1200)), use fingertight PEEK fittings for connecting the column outlet

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Setup Examples

Install the Valve Head and Connect Capillaries

Setup Examples

18 Column- selection

Figure 3 Hydraulic flow path schematics for an 8-column selection setup

2Six column selection with purge line and valve- bypass

Figure 4 Hydraulic flow path schematics for 6-column selection setup with purge and valve

bypass line.

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