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The pump is widely applied to liquid circulation and filtration of Spa and bath ,aquaculture, small size swimming pool, water treatment facility and decoration pool...etc.
SPECIFICATIONS FOR W250 PUMP | ||||||
Product features: | Model | W250 | 220V/50Hz/1.85kw/2.5HP/8.5Amps | |||
Insulation: | F | Protection:IP55 | ||||
Thermal protector | single phase | 220V/50Hz/1.85kw/2.5HP/8.5Amps | ||||
Working conditions | Medium temperature | 5~50℃ | -- | |||
Environmental temperature | ≤50℃ | |||||
Max.working Pressure: | 0.3Mpa | -- | ||||




The shaft seal is very important to a pump that directly affected the pump lifetime, most of the time the motor is still working regularly but the pump start leakage that makes it not workable anymore.
The STP pump use the stainless, tough rubber and ABS structure shaft seal to make sure it's the long life time.
Also, there would be 2 sets of spare seals for each pump.

During the water pump working, the heating would makes the impeller deformed to make the pump works not normal even leakage and damage.
The STP pump use the nano carbon ABS impeller that very tough and high temperature resistance.
Also, there would be 1 set of spare seals for each pump.

The STP pump has a pump head with pre-filter bracket placed inside to block the particular things damage the pump, there's a transparent lid screwed on it for watching and flexible taking out the dirty odds.

There's a transparent lid screwed on it for watching and flexible taking out the dirty odds.







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