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Foshan City Sanjiaozhou Electrical Technology Co., Ltd.

Diaphragm Pump, RO Pump, Water Pump manufacturer / supplier in China, offering 200 Gpd Diaphragm Pump Ec-203-200A, Water Pressure Pump 50gpd Stabilized Pressure 70psi Max 140psi Ec203 "No Worry Unstable Water Pressure", Water Pressure Pump 75 Gpd Home Reverse Osmosis Ec-103 and so on.

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Supplier Homepage Product RO Booster Pump 203 204 Series 200 Gpd Diaphragm Pump Ec-203-200A

200 Gpd Diaphragm Pump Ec-203-200A

FOB Price: US $21.35 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $21.35/ Piece
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Port: Rongqi, China
Transport Package: 12 PCS/Carton
Payment Terms: T/T, Paypal

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Basic Info
  • Material: Cast Iron, EPDM, Santoprene, Nylon
  • Function: Booster Pump
  • Performance: No Leak
  • Flow: 1.6L/M @70psi
  • Outlet Pressure: Constant @ 70psi
  • Adapter: 3A (Sold Separately)
  • Patent Product: Yes
  • Specification: 210x104x99mm, 2.2kg
  • Power: Electric
  • Diaphragm Material: Water
  • RO Capacity: 200 Gpd
  • Inlet Pressure: 10psi - 40psi
  • Port: 3/8" FTP
  • Certificate: Ce, RoHS
  • Trademark: E-CHEN
  • Origin: China
Product Description

Foshan City Sanjiaozhou Electrical Technology Co., Ltd.

E-CHEN RO Booster Pump 203 A Series

Constant pressure invention design
Extend the life of RO membrane
Solution for water pressure fluctuation problem
Suitable pipe pressure 10-40 psi
No influence from climate and temperature
No decompression
No water leakage problem
Stable current makes transformer's life longer than other booster pump
Constant pressure technology to ensure stable pressure work on RO membrane
Materials of Construction:
Nylon Housing
EPDM Valves
Santoprene Diaphragm
Stainless Steel Fasteners
Applications for E-CHEN Booster Pump:
Pre-Filter Water Treatment
RO Boost
Carbonation Systems
Misting Systems
Medical Labwater
Fuel Cells


200 Gpd Diaphragm Pump Ec-203-200A

200 Gpd Diaphragm Pump Ec-203-200A



EC-203-200A (200 GPD)


24VDC (12V available)

Rated Current


Current At 70 PSI


Flow At 70 PSI



3/8" FPT inlet/outlet
200 Gpd Diaphragm Pump Ec-203-200A
Recommend Accessories:
- E-CHEN 3A transformer


Net Weight

2.2 Kg each

Carton Weight

12 each, 28 Kg

Carton Size

50 X 26.5 X 35.5 cm


210X 104X 99
Dimension : MM

EC-203 A Series Model List
EC-203-50A10-40 psi70 psi≥ 550 ml/m24VDC≤0.8A
EC-203-75A10-40 psi70 psi≥  850 ml/m24VDC≤1.0A
EC-203-100A10-40 psi70 psi≥  1100 ml/m24VDC≤1.2A
EC-203-200A10-40 psi70 psi≥ 1600 ml/m24VDC≤1.6A
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