EBARA JEX Stainless Steel Self Priming Jet Pumps
Contents
Introduction
Stainless steel jet pumps for the boosting or transfer of water, small scale irrigation, tank & pool emptying, etc. Suitable for installations with suction lift.
Specifications
- Maximum working pressure : 6 bar
- Maximum liquid temperature: 45°C
Materials
- Pump casing: 304 Stainless Steel
- Impeller: 304 Stainless Steel
- Jet & Diffuser: Noryl
- Shaft : AISI 303 (in contact with liquid)
- Bracket: Aluminium
- Motor Frame: Aluminium
- Mechanical Seal: Carbon/Ceramic/NBR
Motor Data
- TEFC, 2 pole motor
- Insulation class F
- IP55 protection
- 1Ø, 230~240 Volt, 50 Hz
- Permanent split capacitor
- Automatic thermal overload protection
Supply
- 1.8 m cable with 3 pin plug
- Available as pressure system with pressure switch or Press control ®
TYPICAL EXPLODED VIEW
PUMP AND MOTOR
| PUMP | ||||
| Liquid Handled | Type of liquid | Clean water | ||
| Max temperature | [°C] | 45 | ||
| Maximum working pressure | [MPa] | 0.6 | ||
| Maximum suction depth | [m] | 8 | ||
| Construction | Impeller | Closed centrifugal type | ||
| Shaft seal type | Mechanical seal | |||
| Bearing | Sealed ball bearing | |||
| Pipe Connection | Suction | [inch] | G 1¼ UNI ISO 228 | |
| Discharge | [inch] | G 1 | UNI ISO 228 | |
| Material | Casing | AISI 304 | ||
| Impeller | AISI 304 | |||
| Shaft seal | Ceramic/Carbon/NBR | |||
| Casing cover | AISI 304 | |||
| Shaft | AISI 303 (Wet extension) | |||
| Bracket | Aluminium | |||
| Ejector | PPO mod. glass fibre reinforced | |||
| Diffuser | PPO mod. glass fibre reinforced | |||
| Applicable standard of test | ISO 9906 – Annex A | |||
| MOTOR | ||
| Type | Electric – TEFC | |
| Single Phase | ||
| No. Of Poles | 2 | |
| Synchronous speed [min-1] | 3000 | |
| Insulation Class | F | |
| Protection degree | IP 55 | |
| Power rating | [kW] | 0.6 ÷ 1.1 |
| [HP] | 0.8 ÷ 1.5 | |
| Frequency [Hz] | 50 | |
| Voltage [V] | 230 ±10% | |
| Capacitor | Built in | |
| Over load protection | Built in | |
| Casing material | Aluminium | |
| Base material/motor support | Aluminium | |
| Dimensions of cable entry | PG11 – PG13.5 (see dimensions page 400) | |
SELECTION CHART
Curve specifications
The specifications below qualify the curves shown on the following pages.
Tolerances according to ISO 9906 Annex A
The curves refer to effective speed of asynchronous motors at 50 Hz
Measurements were carried out with clean water at 20°C of temperature and with a kinematic viscosity of n = 1 mm2/s (1 cSt)
In order to avoid the risk of over-heating, the pumps should not be used at a flow rate below 10% of best efficiency point.
Symbols explanation:
Q = volume flow rate
H = total head
TYPE KEY
| Type pumps | Power | Q=Capacity | |||||||
| Single Phase V 230 | kW | HP | l/min 20 | 30 | 40 | 50 | 60 | 70 | 75 |
| m³/h 1.2 | 1,8 | 2,4 | 3 | 3,6 | 4,2 | 4,5 | |||
| JEXM 80 | 0,6 | 0,8 | 33 | 29 | 26,5 | 23,5 | 20,5 | 18 | – |
| JEXM 120 | 0,88 | 1,2 | 41 | 37 | 34 | 30,5 | 27,5 | 24,5 | – |
| JEXM 150 | 1,1 | 1,5 | 49 | 44,5 | 40,5 | 37 | 34 | 31 | 29,5 |
PERFORMANCE CURVE
- JEXM 80 (0.6 kW)
Impeller diameter= 132 mm
Applicable standard of test: ISO 9906 – Annex A - JEXM 120 (0.88 kW)
Impeller diameter= 141 mm
Applicable standard of test: ISO 9906 – Annex A - JEXM150 (1.1 kW)
Impeller diameter= 141 mm
Applicable standard of test: ISO 9906 – Annex A
CONSTRUCTIONS
| No. | PART NAME | MATERIAL | QTY | No. | PART NAME | MATERIAL | QTY |
| 1 | Casing | AISI 304 Stainless Steel | 1 | 22 | Tie rod | Fe 420 Zincate | 4 |
| 3 | Motor bracket | Aluminium | 1 | 23 | Capacitor | – | 1 |
| 4 | Casing cover | AISI 304 Stainless Steel | 1 | 24 | Priming/Drain plug | PA | 2 |
| 6 | Shaft with rotor | AISI 303 S/Steel (Part in contact with liquid) | 1 | 26 | O-ring | NBR | 1 |
| 7 | Impeller | AISI 304 Stainless Steel | 1 | 28 | O-ring | NBR | 1 |
| 9 | Diffuser Venturi tube | PPE + PS glass fibre reinforced | 1 | 32 | Impeller Key | AISI 304 Stainless Steel | 1 |
| 11 | Mechanical seal | Carbon/Ceramic/NBR | 1 | 34 | Impeller Nut | AISI 304 Stainless Steel | 1 |
| 12 | Motor frame with stator | – | 1 | 42 | Motor Support | Aluminium | 1 |
| 13 | Motor cover | Aluminium | 1 | 43 | Space diffuser | PPE + PS glass fibre reinforced | 1 |
| 14 | Fan | PA | 1 | 52 | Terminal l Box | ABS | 1 |
| 15 | Fan cover | Fe P04 Zincate | 1 | 56 | Box gasket | NBR | 1 |
| 16 | Terminal block | – | 1 | 77 | O-ring | NBR | 2 |
| 17 | Terminal box cover | ABS | 1 | 90 | Cover Gasket | NBR | 1 |
| 18 | Splash ring | NBR | 1 | 92 | Lip Seal | – | 1 |
| 19 | Pump side ball bearing | – | 1 | 93 | Lip Seal | – | 1 |
| 20 | Fan side ball bearing | – | 1 | 110 | Motor protector | – (Only for JEXM 150) | 1 |
| 21 | Adjusting ring | Steel C70 | 1 | 200 | Screw | Stainless steel A2 UNl7323 | 8 |
MECHANICAL SEAL
| REF | PART NAME | MATERIAL |
| A | Rotary seal ring | Ceramic |
| B | Stationary seal ring | Carbon graphite |
| C | O Ring | NBR |
| D | O Ring | NBR |
| E | O Ring | NBR |
| F | Self driving spring | AISI 316 |
| G | Frame | AISI 304 |
DIAGRAM AND ELECTRIC CONNECTIONS
SINGLE PHASE MOTOR
DIMENSIONS
| Model | Dimensions (mm) | |||||||||
| B | C | H4 | M | M1 | N | N1 | R | T | W | |
| JEXM 080 | 417 | 230 | 215 | 50 | 38 | 120 | 160 | 206 | PG11 | 143 |
| JEXM 120 | 417 | 230 | 215 | 50 | 38 | 120 | 160 | 206 | PG11 | 143 |
| JEXM 150 | 445 | 250 | 240 | 55 | 40 | 140 | 180 | 203.5 | PG13.5 | 145.5 |
PACKING AND WEIGHT
| Type pumps Single Phase | PACKING [mm] | WEIGHT [kg] | ||
| X | Y | Z | ||
| JEXM 80 | 222 | 265 | 462 | 10.3 |
| JEXM 120 | 222 | 265 | 462 | 11.5 |
| JEXM 150 | 222 | 265 | 462 | 14.1 |
TECHNICAL DATA – MOTOR AND BEARINGS
| Type pumps Single Phase 230 V 50 Hz |
kW | HP | Capacitor | Input [kW] | Full load current [A] | Locked rotor current [A] | |
| µF | Vc | ||||||
| JEXM 80 | 0.6 | 0.8 | 16 | 450 | 1.05 | 4.7 | 16.1 |
| JEXM 120 | 0.88 | 1.2 | 20 | 450 | 1.39 | 6.7 | 22.7 |
| JEXM 150 | 1.1 | 1.5 | 31.5 | 450 | 1.70 | 7.6 | 32.5 |
| Type pumps | Ball Bearing | |
| Pump side | Fan side | |
| JEXM 80 | 6203 2DW C3 | 6202 2DW C3 |
| JEXM 120 | 6203 ZZ C3 | 6202 ZZ C3 |
| JEXM 150 | 6204 ZZ C3 | 6203 ZZ C3 |
PUMP INSTALLATION
Install a foot valve or check valve in the suction pipe. Support the suction and delivery pipe to prevent damage to the pump casing.
