Description
The ASI QuickSplit Flow Splitter is very elegant in its simplicity. Split ratios are created by two or more fluid resistors that form a parallel flow path. QuickSplit Flow Splitters are available with a fixed or adjustable split ratio. Interchangeable fluid resistors make it easy to change split ratios quickly, eliminating tedious adjustments to capillary tubing. The technology can be applied to all applications where a controlled, reproducible split ratio is required including LC/MS, flow fractionation, pre/post-column flow splitting mass directed fraction collection, and capillary chromatography. ASI QuickSplit Flow Splitters come in flow rate ranges which make them compatible with micro, analytical, semi-preparative and preparative inlet flows.
Features
- Fluid resistor technology eliminates tedious adjustments to capillary tubing for split ratio optimization
- Split ratios are stable and reproducible, and not affected by changes in viscosity or pressure
- Adjustable splitters enable precise direct control over split ratios
- Easy to use interchangeable fluid resistors make it possible to achieve split ratios from 1:1 to 20,000:1
- Applications include LC/MS, pre/post-column flow splitting, and flow fractionation
- Multiport flow splitter diverts the inlet flow into 3 or 4 channels for applications that employ multiple detectors and/or a fraction collector
- Rugged stainless steel construction allows high pressure operation
- Low dead volume fluidic design
- Unique flow path geometry resists clogging better than capillary tube resistors
Extra Info
Unlike conventional splitters that use long lengths of capillary tubing, the ASI QuickSplit Fixed Flow Splitter uses two compact fluid resistor elements which are designed as cartridges for easy replacement. The flow path of the QuickSplit Fixed Flow Splitter contains two fluid resistors that form a parallel flow path. Both low and high flow rate streams pass through fixed resistor cartridges. The ratio of these two resistors creates the split ratio.

Since the flow rate is indirectly proportional to resistance, changing the resistance in either flow path results in a change to the split ration. Changing resistance is accomplished by exchanging the fixed fluid resistor cartridges with a resistor set that has different resistor ratings.
Applications
ASI QuickSplit™ Binary Fixed Flow Splitters
- Analytical Splitters - Binary
Analytical range, 0.1 mL/min. to 5 mL/min. in/out flow, calibration flow 1.0 mL/min.
These splitters will produce under 500 PSI backpressure with water at 1.0 mL/min. The backpressure will decrease or increase in proportion to flow rate changes. In order to assure <500 PSI pressure drop across the splitter, please specify the inlet flow when you order, if not specified, we will assume a 1.0 mL aqueous flow rate. Please see page E34 for optional mounting bracket.
- Semi-Preparative Splitters - Binary
Semi-Prep range, 5 mL/min. to 40 mL/min. input flow, calibration flow 20 mL/min.
These splitters will produce under 500 psi backpressure with water at 20 mL/min. The backpressure will decrease or increase in proportion to flow rate changes. The Semi-prep Fixed Flow Splitter HS (High Split Ratio) incorporates a resistor set which includes an ASI fluid resistor on the high flow side and a capillary resistor on the low flow side. Pleas see accessory page for optional mounting bracket.
- Preparative Splitters - Binary
Prep range, 30 mL/min. to 200 mL/min. input flow
These splitters will produce under 500 psi backpressure with water the specified inlet flow rate. The backpressure will decrease or increase in proportion to flow rate changes. Please see accessory page for optional mounting bracket.
- High-Preparative Splitters - Binary
High-Prep range, 200 mL/min. to 1000 mL/min. input flow
These splitters will produce under 500 psi backpressure with water the specified inlet flow rate. The backpressure will decrease or increase in proportion to flow rate changes. Please see accessory page for optional mounting bracket.
Part No. | Description | Quantity In Stock |
UOM | Price | Order |
---|---|---|---|---|---|
Analytical Fixed Flow Splitters-Post Column - Binary | |||||
620PO1003 | 2,000:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1004 | 1,000:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1005 | 500:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1006 | 200:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1007 | 100:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1008 | 50:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1009 | 20:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1010 | 10:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | 0†Standard lead-time for non-stock items is approximately two weeks depending on the item. | EA | $1321.88 | |
620PO1011 | 5:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1012 | 3:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO1013 | 1:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO10CS | CUSTOM SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
Analytical Replacement Resistor Sets-Post Column - Binary | |||||
620111003 | 2,000:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111004 | 1,000:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111005 | 500:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111006 | 200:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111007 | 100:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111008 | 50:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111009 | 20:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111010 | 10:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | 0†Standard lead-time for non-stock items is approximately two weeks depending on the item. | EA | $723.00 | |
620111011 | 5:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620111012 | 3:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | 2 | EA | $709.00 | |
620111013 | 1:1 SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
6201110CS | CUSTOM SPLIT RATIO, ANALYTICAL BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
Semi-Preparative Splitters - Binary | |||||
620PO2006 | 200:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO2007 | 100:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO2008 | 50:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO2009 | 20:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO2010 | 10:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO2011 | 5:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO20CS | CUSTOM SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
620PO20HS | CUSTOM HIGH SPLIT RATIO 500:1 TO 20,000:1, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER,; COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
Semi-Preparative Replacement Resistor Cartridges - Binary | |||||
620112006 | 200:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT; RESISTOR SET | DISCONTINUED | EA | --- | --- |
620112007 | 100:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT; RESISTOR SET | DISCONTINUED | EA | --- | --- |
620112008 | SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
620112009 | 20:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT; RESISTOR SET | DISCONTINUED | EA | --- | --- |
620112010 | 10:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT; RESISTOR SET | DISCONTINUED | EA | --- | --- |
620112011 | 5:1 SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT; RESISTOR SET | DISCONTINUED | EA | --- | --- |
6201120CS | CUSTOM SPLIT RATIO, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT; RESISTOR SET | DISCONTINUED | EA | --- | --- |
6201120HS | CUSTOM HIGH SPLIT RATIO 500:1 TO 20,000:1, SEMI-PREPARATIVE BINARY FIXED FLOW SPLITTER,; REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
Preparative Splitters - Binary | |||||
620PO40CS | PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
6201140CS | PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
Preparative Replacement Resistor Set - Binary | |||||
620PO60CS | HI-PREPARATIVE BINARY FIXED FLOW SPLITTER, COMPLETE ASSEMBLY | DISCONTINUED | EA | --- | --- |
6201160CS | HI-PREPARATIVE BINARY FIXED FLOW SPLITTER, REPLACEMENT RESISTOR SET | DISCONTINUED | EA | --- | --- |
Replacement Inlet Filers | |||||
62000632 | ANALYTICAL FIXED FLOW SPLITTER INLET FILTER ASSEMBLY, PKG 5, 2 MICRON X 0.063IN DIA. | DISCONTINUED | EA | --- | --- |
62023012510 | SEMI-PREP FIXED FLOW SPLITTER INLET FILTER AND HOUSING ASSEMBLY, 10 MICRON X .125IN; DIA. /EACH | DISCONTINUED | EA | --- | --- |
62023018810 | PREP/HIGH PREP FIXED FLOW SPLITTER INLET FILTER AND HOUSING ASSEMBLY, 10 MICRON X .188IN; DIA. /EACH | DISCONTINUED | EA | --- | --- |
62023018820 | PREP/HIGH PREP FIXED FLOW SPLITTER INLET FILTER AND HOUSING ASSEMBLY, 20 MICRON X .188IN; DIA. /EACH | DISCONTINUED | EA | --- | --- |
62000122 | ANALYTICAL FIXED FLOW SPLITTER INLET FILTER ASSEMBLY, PKG 5, STRAIGHT THRU HOLE, NO; FILTER | DISCONTINUED | PK | --- | --- |
62000123 | HIGH-PREP FIXED FLOW SPLITTER STRAIGHT THRU HOLE FITTING ASSEMBLY, PKG 5 | DISCONTINUED | PK | --- | --- |
6201000 | FIXED FLOW SPLITTER MOUNTING BRACKET FOR 620-PO10, 620-PO20, 620-PO40 AND 620-PO60 | DISCONTINUED | EA | --- | --- |
* Call for availability. † Standard lead-time for non-stock items is approximately two weeks depending on the item. | |||||
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