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Foshan City Sanjiaozhou Electrical Technology Co., Ltd.

Water Pump, Pump, Diaphragm Pump manufacturer / supplier in China, offering 400 Gpd Diaphragm Pump Ec-204-400A, 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 400 Gpd Diaphragm Pump Ec-204-400A

400 Gpd Diaphragm Pump Ec-204-400A

FOB Price: US $36.82 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $36.82/ Piece
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Port: Rongqi, China
Transport Package: 12 PCS/Carton
Payment Terms: T/T, Paypal

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Basic Info
  • Model NO.: EC-204-400A
  • Power: Electric
  • Function: Electronic Type, Booster Pump
  • Performance: No Leak
  • Flow: 2.6L/M @80psi
  • Inlet Pressure: 10psi - 40psi
  • Adapter: 5A (Sold Separately)
  • Trademark: E-CHEN
  • Origin: China
  • Material: Cast Iron, EPDM, Santoprene, Nylon
  • Valve Body Type: Diaphragm
  • Diaphragm Material: Water
  • RO Capacity: 400gpd
  • Outlet Pressure: Constant @80psi
  • Port: 3/8" FTP
  • Patent Product: Yes
  • Specification: 210x104x99mm, 2.25kg
Product Description

Foshan City Sanjiaozhou Electrical Technology Co., Ltd.

E-CHEN RO Booster Pump 204 Series

Constant pressure invetion design on tunnel-type outside circulation to extend the life of RO membrane
Solution for water pressure flucctuation problem, suitable pipe pressure: 10-40 psi
No influence by climate and temperature
No decompression
No water leakage problem
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

400 Gpd Diaphragm Pump Ec-204-400A

400 Gpd Diaphragm Pump Ec-204-400A



EC-204-400A (400GPD)


24VDC (12V available)

Rated Current


Current At 70 PSI


Flow At 70 PSI



3/8" FPT inlet/outlet

Recommend Accessories:
- E-CHEN 5A Transformer


Net Weight

2.2 5Kg each

Carton Weight

12 each, 28 Kg

Carton Size

50 X 26.5 X 35.5 cm


210X 104X 99
Dimension : MM
EC-204 A Series Model

EC-204-50A30 psi70 psi≥ 550 ml/m24VDC≤0.8A
EC-204-75A30 psi70 psi≥  850 ml/m24VDC≤1.0A
EC-204-100A30 psi70 psi≥  1100 ml/m24VDC≤1.2A
EC-204-150A30 psi70 psi≥ 1400 ml/m24VDC≤1.4A
EC-204-200A30 psi70 psi≥ 1600 ml/m24VDC≤1.6A
EC-204-300A30 psi70 psi≥ 2000 ml/m24VDC≤2.4A
EC-204-400A30 psi70 psi≥ 2600 ml/m24VDC≤ 2.5A
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Mr. Scott Pao
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