Automatic Degassing for Critical Applications!
The new gamma/ XL is a solenoid metering pump with predictive intelligence. Thanks to its controlled solenoid drive with sensor-free pressure measurement, it detects hydraulic faults even in the case of minimal deviations – immediately and optimally matching its output to the pressure conditions and properties of the medium while protecting the pump and piping systems from overload situations. The gamma/ XL covers a capacity range of .08 GPD at 362 PSIG to 20.74 GPH at 29 PSIG (depending on pump version).
gamma/ XL is the enhancement to our proven gamma/ X. The gamma/ XL also offers additional interfaces, such as CAN bus, making the gamma/ XL connectable to all systems, devices, and platforms. Like the gamma/ X, the gamma/ XL has an intuitive operating concept. The pump is adjusted using a click wheel and 4 additional operating keys. Hydraulic error statuses, such as "Gas in the dosing head", "Overpressure" and "No pressure" can be detected.
Features and Benefits
- Electronic stroke length adjustment via click wheel
- Integrated system pressure measurement
- High visibility of LED-indicator lights
- Large, illuminated display
- Integrated pressure measurement and display
- Available diaphragm rupture indicator
- New configurable input/output
- gamma/ XL and delta footprints are identical
Technical Details
- NSF/ANSI 61 Approved Liquid Ends
- Volume adjustment in GPH or LPH
- Manual, Analog, Contact and Batch modes optional
- BUS interfaces such as Profibus, CANbus, PROFINET and Modbus
- Analog output for stroke length and stroke rate transmission
- Auto compensates programmed feed rates during back pressure fluctuations
- As low as 1 mL/hr continuous feed rate with regulated solenoid drive
- Turn down ratio up to 40,000:1
- Integrated 7-day timer
- Detects Overpressure/ No Pressure (broken discharge line) and gas in the liquid end
- Automatically sets optimal speed and stroke based on GPH settings (when set to automatic)
Technical Data
Pump type | Capacity at max. back pressure | Theor. stroke volume | Max. stroke rate | Nominal diameter | Suction lift* | Shipping weight |
|---|
| | | | | | | NPE, NPB, PVT | SS |
|---|
| psi | gph | l/h | ml/stroke | Strokes/min | | ft | m WC | lb | kg | lb | kg |
|---|
* Suction lift with a filled dosing head and filled suction line, with a self-bleeding dosing head with air in the suction line. |
** 363 psi variant only available with dosing head material NP or SS |
*** With stainless steel design, 6 mm connector width. |
Metering pumps with non-self-bleeding dosing head |
GXLa 2508 | 363 ** | 1.98 | 7.5 | 0.63 | 200 | 3/8" x 1/4" *** | 16 | 5 | 22 | 10 | 25 | 11 |
GXLa 1608 | 232 | 2.06 | 7.8 | 0.65 | 200 | 3/8" x 1/4" *** | 16 | 5 | 22 | 10 | 25 | 11 |
GXLa 1612 | 232 | 3.17 | 12 | 1 | 200 | 3/8" x 1/4" | 20 | 6 | 22 | 10 | 25 | 11 |
GXLa 1020 | 145 | 5.18 | 19.6 | 1.63 | 200 | 1/2" x 3/8" | 16 | 5 | 22 | 10 | 25 | 11 |
GXLa 0730 | 102 | 7.77 | 29.4 | 2.4 | 200 | 1/2" x 3/8" | 16 | 5 | 22 | 10 | 25 | 11 |
GXLa 0450 | 58 | 12.95 | 49 | 4.08 | 200 | 5/8" ID hose barb standard | 10 | 3 | 22 | 10 | 25 | 11 |
GXLa 0280 | 29 | 20.74 | 78.5 | 6.54 | 200 | 5/8" ID hose barb standard | 7 | 2 | 22 | 10 | 25 | 11 |
Metering pumps with self-degassing dosing head (dosing head design 7) |
GXLa 1608 | 145 | 1.85 | 7 | 0.6 | 200 | 3/8" x 1/4" | 6 | 1.8 | 22 | 10 | - |
GXLa 1612 | 145 | 2.64 | 10 | 0.8 | 200 | 3/8" x 1/4" | 6 | 1.8 | 22 | 10 | - |
GXLa 1020 | 145 | 3.96 | 15 | 1.25 | 200 | 1/2" x 3/8" | 6 | 1.8 | 22 | 10 | - |
GXLa 0730 | 102 | 7.27 | 27.5 | 2.3 | 200 | 1/2" x 3/8" | 6 | 1.8 | 22 | 10 | - |
gamma/ XL metering pumps with dosing heads for higher-viscosity media have a 10 – 20 % lower capacity and are not self-priming with all feed chemicals. G 3/4 - DN 10 connector with d 16 - DN 10 hose nozzle.
All data calculated with water at 68 °F (20 °C).
Materials in Contact with the Medium
Identity code of material | Dosing head | Connection on suction/discharge side | Ball seat | Seals | Balls |
|---|
PVT | PVDF | PVDF | PVDF | PTFE | Ceramic |
NPT | Clear acrylic | PVDF | PVDF | PTFE | Ceramic |
NPE | Clear acrylic | PVC | EPDM | EPDM | Ceramic |
NPB | Clear acrylic | PVC | FKM A | FKM A | Ceramic |
SST (8 - 12 mm) | Stainless steel 1.4404 | Stainless steel 1.4404 | Ceramic | PTFE | Ceramic |
SST (DN 10) | Stainless steel 1.4404 | Stainless steel 1.4404 | Carbon-filled PTFE | PTFE | Ceramic |
Connectors
| Plastic | 8 – 12 mm | Hose squeeze connector |
| | DN 10 | d16 DN 10 hose sleeve |
| Stainless steel | 6 – 12 mm | Swagelok system |
| | DN 10 | Rp 3/8 insert |
Metering diaphragm with PTFE coating.
Repeatability of metering ±1% when used in accordance with the operating instructions.
Permissible ambient temperature 14 °F to 113 °F (–10 °C to 45 °C).
Mean power consumption 78 W.
Degree of protection IP 66, insulation class F.
Scope of supply
Metering pump with mains cable, connector kit for hose/tube connector as per table.
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