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STP
SRM
This is a STP series surface-mounted self-priming pool circulation land pump specially designed for swimming pool water circulation and filtration system.
Equipped with an external transparent pre-filter basket on the pump front, it can easily trap hair, leaves and large floating debris before water enters pump body to prevent internal impeller clogging.
Made of high-strength anti-corrosion engineering plastic casing and copper winding motor, the pump effectively transports pool water to filter tank for dirt removal.
Rated power covers common household and small commercial specifications including 1.85 kW model shown in picture.
It runs stably with low vibration and noise, widely used to maintain continuous water circulation and sanitary water quality for various swimming pool projects.
Visible filter chamber allows users to check dirt accumulation directly without pump disassembly; quick twist-off ring for fast cleaning to save daily maintenance time.
Premium engineering plastic resists erosion from chlorine-containing pool water, extending service life and avoiding rust leakage issues compared with metal shell pumps.
Copper coil motor delivers stable power output, improves operational efficiency and effectively reduces overheat damage during long-time continuous running.
Red lock ring design for inlet and outlet ports enables fast hose installation and tight sealing to prevent water leakage at joints.
PICTURE | MODEL | MAX. FLOW (L/Min) | MAX. HEAD (M) | POWER (KW) | CONNECTOR (MM) |
|---|---|---|---|---|---|
 | STP25 | 140 | 5 | 0.18 | 48.5/ 50 |
STP35 | 160 | 8 | 0.25 | 48.5/ 50 | |
STP50 | 210 | 11 | 0.37 | 48.5/ 50 | |
STP75 | 240 | 10.5 | 0.55 | 48.5/ 50 | |
 | STP150 | 430 | 16.5 | 1.1 | 60.3/ 63 |
STP200 | 520 | 18 | 1.5 | 60.3/ 63 | |
STP250 | 600 | 19 | 1.85 | 60.3/ 63 | |
STP300 | 635 | 19.5 | 2.2 | 60.3/ 63 |
Core demand: Stable daily water circulation to keep domestic pool water clean, low noise operation to avoid disturbing home rest, easy daily cleaning for non-professional pool owners.
Scene subdivision: Backyard small private pool, villa indoor constant-temperature swimming pool, kids small paddling pool with circulating filtration system.
Matching advantages: The pre-filter basket reduces frequent filter cartridge cleaning work; low-noise motor adapts residential quiet environment, standard 1.85 kW power perfectly matches 15~40 cubic meters household pool circulation requirement.
Core demand: Long-time uninterrupted continuous operation to meet all-day business use, durable structure to cope with high-frequency running under heavy water flow.
Scene subdivision: Hotel supporting mini swimming pool, fitness club training small pool, resort water play shallow pool.
Matching advantages: Anti-corrosion shell adapts long-term chlorine water soaking environment; stable copper motor supports 12+ hours daily continuous running to satisfy commercial all-day operation.
Core demand: Moderate water head and flow to drive spa massage water circulation, reliable sealing to prevent liquid leakage in indoor wet area.
Scene subdivision: Indoor constant-temperature SPA bathtub, commercial massage whirlpool tank, club hydrotherapy pool.
Matching advantages: Reasonable 19.5 m maximum head provides proper water pressure for massage nozzles; tight red-ring pipe connectors avoid leakage damage to indoor decoration.
Core demand: Clean out fallen leaves and sundries in landscape pond, keep ornamental water clear without frequent manual sewage disposal.
Scene subdivision: Villa garden ornamental fish pond, park small artificial landscape pool.
Matching advantages: Front pre-filter intercepts fallen leaves and fish manure to protect subsequent filter equipment, realizing automatic pond water cyclic purification.
Q: Can this pump work under water as submersible pump?
A: No, it is land-mounted pump; motor will burn once soaked in water, must install on dry ground outside pool.
Q: How often should I clean the pre-filter basket?
A: For normal pool use, clean every 3~7 days; clean immediately if obvious dirt is observed via transparent cover.
Q: Is this pump an intelligent variable frequency pump?
A: No, it is fixed-speed regular pump without intelligent frequency conversion control panel.
Q: What pool volume fits the 1.85 kW model?
A: It matches pools with total water volume around 15~40 cubic meters for full daily circulation.
Q: Can the pump transport seawater?
A: Not recommended; seawater strong salinity will accelerate plastic aging and damage internal motor components.
