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Mastra 4 inch submersible pump - R95-ST series 4 m³/h rated flow 220v submersible water pump

Availability:
Quantity:
  • R95-ST4

  • Mastra

  • 3 inch 

  • Plastic 

Utilizes the most stage of the art technology from sophisticated countries in the world such as USA and Italy. The main part of pump is made of stainless steel and copper alloy with characters of high efficiency, energy-saving, high wear resistance, anti-rust, beauty appearance and easy installation. Suit for domestic, civil and industrial applications, including for the water supply irrigation, wash down system and pressure boosting. 


Feature:

1. Adopt thick stainless steel 304 pump tube (thickness:1.5mm),  stainless steel 304 diffuser,  stainless steel 304/316 pump head, high strength, beautiful and durable.

2. The design of multi-stage floating impeller can effectively reduce the requirement of starting torque,  and it is not easily blocked because of small sand particles, (strong ability to cross sand),longer service life of the motor.

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Model

50Hz

Motor

Power

Three

Phase

Single Phase Q Capacity
US.gpm 0 6.6 9.2 11.9 15.8 18.5 21.1 26.4
m³/h 0 1.5 2.1 2.7 3.6 4.2 4.8 6
380V 220V
L/min 0 25 35 45 60 70 80 100
HP kW A A μF VC Total head in meters
R95-ST4-05 0.5 0.37 1.8 3.6 20 450

H

(m)

33 29 27 25 21 18 13 3
R95-ST4-07 0.75 0.55 2 4.8 25 450 46 43 41 38 33 28 22 7
R95-ST4-09 1 0.75 2.5 6.3 35 450 59 55 52 49 43 37 28 10
R95-ST4-14 1.5 1.1 3.4 8.6 45 450 93 87 83 79 68 58 47 20
R95-ST4-18 2 1.5 4.4 10 55 450 120 113 108 102 88 75 60 25
R95-ST4-27 3 2.2 6.2 14 70 450 175 164 157 147 127 109 87 35
R95-ST4-35 4 3 8.3 19.5 80 450 228 212 203 191 166 145 119 46
R95-ST4-44 5.5 4 10.3 27 120 450 282 261 249 233 201 173 140 52
R95-ST4-48 5.5 4 10.3 27 120 450 309 289 276 258 225 197 162 73

R75-T1_04

submersible well pump (Unit of Length: mm)
Model H3 H2 H1 ΦA ΦB Φmax
R95-ST4-05 621 351 270 G1 1/4" 95 100
R95-ST4-07 679 366 313
R95-ST4-09 742 386 356
R95-ST4-14 869 406 463
R95-ST4-18 990 441 549
R95-ST4-27 1243 501 742
R95-ST4-35 1512 561 951
R95-ST4-44 1745 601 1144
R95-ST4-48 1831 601 1230

Parts Material
Delivery door AISI304
Suction support AISI304
Check value Plastic(POM)
Valve support
Plastic(PPO/PC)
Shaft support Plastic(PPO/PC)
Impeller Plastic(PPO)
Diffuser AISI304
Valve seal Nitrile rubber(NBR)
Anti-wear washer Nitrile rubber(NBR)
Pump bearing Nitrile rubber(NBR)
Pump body AISI 304
Cable cover AISI 304
Filter AISI 304
Shaft 2Cr13
Shaft coupling AISI 304
Bushing AISI 304

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Guangdong Ruirong Pump Industry Co., Ltd. specializes in the production of stainless steel submersible motors and submersible pumps for wells. 

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 ruirong@ruirong.com
  0086-139 2903 3707
  0086-0750-3656332
  +86 138 2702 8339
  No.22, North 3rd Road, Duruan Town, Jiangmen City, Guangdong Province, China
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