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GY
LANGO
GY series are mechancial diaphragm metering pumps with max flow up to 200L/H and pressuer up to 10 bars. It is manual adjustment mechanical stroke length regulation. Different liqud end materials suitable for different chemicals dosing.
Main Performance Parameters
Max Flow Rate: 200L/H
Max Pressure: 10 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
Main Features
Manual flow adjustment mechanical stroke length regulation
Reboust design,easy to install
NSK bearing
Composite PTFE diaphragm with EPDM back baffle structure
Various pump head materials such as PVC, PVDF, SS316, etc
The protection level has been raised to F level IP55
Parameter Table
Model | Diaphragm | Max Flow Rate | Stroke Speed | Max Pressure | Power | ||
50Hz | 60Hz | 50Hz | 60Hz | ||||
GY25 | 65 | 25 | 30 | 75 | 90 | 1.0 | 40 |
GY40 | 40 | 48 | 120 | 144 | 0.5 | ||
GY60 | 60 | 72 | 166 | 200 | |||
GY75 | 75 | 90 | 186 | 222 | |||
GY90 | 84 | 90 | 108 | 75 | 90 | 90 | |
GY150 | 150 | 180 | 120 | 144 | |||
GY200 | 200 | 240 | 166 | 200 | 0.3 |
Reference flow rate under different pressure
Liquid End Material
Head | Ball | Seat | Cover | Gasket | Oring | 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 | SS316 |
GY25 | DN15 glue union / 8×13mm PVC tube | DN15 welding union | Rc1/2" thread |
GY40 | |||
GY60 | |||
GY75 | |||
GY90 | |||
GY150 | |||
GY200 |
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
4. Optional for motors: DC12V,DC24V,110V 1ph, 220V 1 ph, 380V 3ph
Identification Code
ID | GY | 25 | 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 | GY | GY model |
2 | Flow | Flow rate at 0 bars,( 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 | 380V 3PH 50/60Hz |
2 | 220V 3PH 50/60Hz | |
3 | 220V 1PH 50/60Hz | |
4 | 110V 1PH 50/60Hz | |
5 | DC24V | |
6 | DC12V | |
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 |
OPTIONAL ACCESSORIES
Name | Model | |
Standard | Unions | DN15 |
Options | Filter Valve | SFV-8*13 |
Injection Valve | CA-21 | |
Back Pressure Valve | BYF | |
Hose | 8*13mm |
Installation Dimensions
Water treatment, waste water treatment, food&beverage, chemical, general industry, etc.