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GX
LANGO
GY series are spring return return mechancial diaphragm metering pumps with max flow up to 400L/H and pressuer up to 5 bars. It is rebust and reliable dosing pumps for water and industries.
1. GX diaphragm metering pump is compact, energy saving, provides high precision metering.
2. The pump comes in three models, with a maximum displacement of 400LPH
3. The diaphragm of GX diaphragm metering pump is composite PTFE.
4. Pump head materials: PVC/PVDF/SS
5. Optional explosion-proof motor or variable frequency motor.
Main Performance Parameters
Max Flow Rate: 400L/H
Max Pressure: 5 Bars Steady State Accuracy: ± 2% between 30% and 100% of rated flow rate
Allowable Ambient Temperature: 0~40°C.
Allowable Liquid Temperature: 0~40°C(PVC) 0~60°C(PVDF/SS)
Voltage: 110V/220V/380V/DC 12V/DC24V/Ohters on request
Motor: Standard IE3 motor, VF motor, explosion-proof motor
Main Features
Manual flow adjustment mechanical stroke length regulation
Reboust design,easy to install
Spring return design with superior dosing performance
Composite PTFE diaphragm with EPDM back baffle structure
Various pump head materials such as PVC, PVDF, SS316, etc
Parameter Table
Model | Stroke Speed | Flow Rate L/H | Pressure | Power | Diaphragm | ||
50Hz | 60Hz | 50Hz | 60Hz | ||||
GX120 | 150 | 180 | 120 | 144 | 0.5 | 0.25 | 137 |
GX260 | 260 | 312 | |||||
GX400 | 400 | 480 |
Liquid End Material
Head | Ball | Seat | Cover | Gasket | O ring | Diaphragm |
PVC | Ceramic | PVC | PVC | PTFE | FKM | Composite PTFE |
PVDF | Ceramic | PVDF | PVDF | PTFE | PTFE | |
PTFE | Ceramic | PTFE | PTFE | PTFE | PTFE | |
SS304 | SS304 | SS304 | SS304 | PTFE | PTFE | |
SS316 | SS316 | SS316 | SS316 | PTFE | PTFE |
Connection
Model | PVC | PVDF | PTFE | SS316 |
GX120 | DN15 glue union | DN15 welding union | Rc1/2" thread | Rc1/2" thread |
GX260 | DN20 glue union | DN20 welding union | Rc3/4" thread | Rc3/4" thread |
GX400 |
Note:
1. Tested by clean water at normal temperature,, suction height 1 meters, stroke length 100%
2. Back pressure valve is required for stable and accurate discharge.
3. Stroke length adjustment mode: manual adjustment during stop and operation.
4. Liquid temperature: -10 to +40°C for PVC; -10 to +80°C for PVDF & SS pressure valve is required for stable and accurate discharge.
Identification Code
ID | GX | 120 | VC | 1 | 1 | 1 | C |
Item | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Code | Model | Flow | Material | Connection | Voltage | Motor | Plug |
Item | Code | Description |
1 | GX | GX model |
2 | Flow | detailed flow rate and pressure see above table |
3 | C | PVC head/Ceramic ball/PVC seat/PVC cover/PTFE gasket/FKM O ring |
F | PVDF head/Ceramic ball/PVDF seat/PVDF cover/PTFE gasket/PTFE O ring | |
E | PTFE head/Ceramic ball/PTFE seat/PTFE cover/PTFE gasket/PTFE O ring | |
4 | SS304 head/SS304 ball/SS304 seat/SS304 cover/PTFE gasket/PTFE O ring | |
6 | SS316 head/SS316 ball/SS316 seat/SS316 cover/PTFE gasket/PTFE O ring | |
4 | 1 | Tube |
2 | Union | |
3 | Flange | |
4 | Thread | |
5 | 1 | 220/380V 3PH 50Hz |
2 | 220/380V 3PH 60Hz | |
3 | 220V 1PH 50Hz | |
4 | 220V 1PH 60Hz | |
5 | 110V 1PH 50Hz | |
6 | 110V 1PH 60Hz | |
9 | Other voltage | |
6 | 1 | Standard ordinary motor |
2 | Explosion proof motor BT4 | |
3 | Inverter motor | |
4 | Explosion proof inverter motor BT4 | |
5 | Other type motor | |
7 | A | Australia, New Zealand, Taiwan |
B | British | |
C | China | |
E | Europe | |
U | United States | |
S | South Africa | |
X | No Plug |
Installation Dimensions
Water treatment, waste water treatment, chemical, general industry, etc.