Pool Filter / SR Series

SR Series Filament Wound Fiberglass Pool Sand Filter

Precision-engineered for reliable performance, SR series utilizes fully automated winding technology to deliver a structurally sound bobbin wound fiberglass filter for modern residential and semi-commercial aquatic systems.

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SR Series Filament Wound Fiberglass Pool Sand Filter
Core highlights

Engineered for reliable water systems.

  • For Easy Maintenance: Features an upgraded ring-lock design with a quick-install and removal lever, enabling tool-free access and streamlined upkeep.
  • Transparent Inspection Lid: Engineered as a clear view lid sand filter , the wide top cover allows facility operators to quickly assess media conditions without disassembling the system.
  • Multiport Control Valve: Equipped with a side-mounted 8-way multiport valve, featuring universal standard 1.5-inch (50mm) union connections for versatile plumbing integration.
  • Reinforced Tank Integrity: The high-strength pressure filter tank operates safely at a maximum working pressure of 2.5 bar, verified by a strict 4.0 bar factory testing protocol.
  • Advanced Internal Hydraulics: Incorporates an ABS lateral system designed to optimize water distribution across the 0.5-0.8mm suggested media bed for maximum filtration efficiency.
  • Environmental Resilience: The external surface provides UV resistance and features a low ratio of thermal expansion, ensuring stable performance in environments up to 43°C (109°F).
  • Flexible Model Configuration: Available in multiple capacity versions, accommodating sand capacities from 50kg to 180kg to support varying volumetric demands.
Applications

Project-ready use cases.

  • Residential swimming pool complexes requiring a high-capacity glass fiber sand filter for daily continuous water clarity management.
  • Semi-commercial aquatic centers needing reliable side-mounted valve configurations for confined equipment room installations.
  • Hotel resort facilities utilizing a factory direct sand filter to standardize procurement and maintain consistent water quality across multiple pools.
  • Community recreation centers upgrading to a transparent cover sand filter to accelerate routine visual inspections by maintenance staff.
  • Indoor training pools demanding non-corrosive and chemical-resistant filtration equipment to withstand heavy bather loads and aggressive sanitization routines.
Specification overview

Key product parameters.

Main MaterialBobbin Wound Fiberglass
Factory Testing Pressure4.0 bar / 58 psi
Maximum Working Pressure36 psi / 2.5 bar
Highest Temperature Resistance43°C (109°F)
Selector Valve Mounting PositionSide-Mounted
Warranty10 years body warranty
Suggested Filter Medium Size0.5 - 0.8 mm
Target AudiencePool Equipment Wholesale Distributors, Regional Pool Product Dealers, Pool Project Contractors, and Commercial Pool Equipment Buyers
Application Arearesidential and commercial pools, spa, water features, aquaculture
Model parameters

Technical data tables.

Product Specifications

ModelValve Model / (Union Connection)Valve / ConnectionMax.Flow RateFilter AreaSand / (kg)
m³/hLPMGPMm²ft²
SR450MPV031.5" / 50mm10167440.161.750
SR525MPV031.5" / 50mm12200530.192.065
SR600MPV031.5" / 50mm14233620.222.4115
SR650MPV031.5" / 50mm17283750.323.4145
SR700MPV031.5" / 50mm19317840.353.8180

Dimensions

Model(D)(w) / mm(H1) / mm(H2) / mm(H3) / mm(H4) / mm(H5) / mm
GB(mm)ANSI
SR45045018"890615720415480150
SR52552521"910630735430495150
SR60060024"960625730415475150
SR65065026"1010690795455520150
SR70070028"1060705810475540150

Precision-engineered for reliable performance, SR series utilizes fully automated winding technology to deliver a structurally sound bobbin wound fiberglass filter for modern residential and semi-commercial aquatic systems. The combination of a computerized manufacturing process and non-corrosive, durable materials guarantees superior mechanical strength and long-term operational stability. This product series is available in multiple tank capacity and flow rate configurations to support different installation and operational requirements. Upgraded from previous designs, this easy maintenance sand filter features an advanced ring-lock mechanism that allows for tool-free operation and convenient internal inspections without specialized equipment. Constructed with non-electrical conductive materials, the tank is highly resilient to chemicals and environmental wear. This makes it an ideal pool filter replacement for facilities seeking extended service life, consistent pressure resistance, and minimal operational downtime during routine facility upkeep. This filament-wound fiberglass pool sand filter is specifically engineered for pool equipment global B2B wholesale distributors, regional pool product dealers, and commercial pool project contractors.

Selection note: Bobbin Wound Fiberglass Filter with Easy-Open Transparent Lock Lid

FAQ

Common questions.

What are the maximum operational pressure limits for this system?

The maximum operating pressure is rated at 250kPa (36psi or 2.5bar), with each unit undergoing a rigorous factory testing pressure of 400kPa (58psi or 4.0bar) to ensure structural safety.

Does this fiberglass pool filter support high-temperature aquatic environments?

Yes, the reinforced tank materials and internal components are engineered to withstand maximum water temperatures up to 43°C (109°F) while maintaining mechanical integrity.

What type and size of filtration media is recommended?

The manufacturer suggests using compatible filtration media with a grain size ranging precisely between 0.5mm and 0.8mm for optimal flow and particle capture.

How do operators access the internal laterals for servicing?

The tank features an easy-open, wide transparent lid secured by a ring-lock design and a quick-removal lever, allowing maintenance personnel to access the interior without specialized tools.

Is this a factory direct pool filter suitable for international plumbing standards?

The system is equipped with a universal standard of union connection, specifically an MPV03 valve with 1.5-inch (50mm) connections, ensuring compatibility with standard commercial plumbing infrastructures.

Are you a manufacturer or a trading company?

We are a direct sand filter manufacturer in China . Aquamama operates its own production facilities with a strict in-house quality control system. You are always welcome to visit our factory in person, or we can arrange a real-time WhatsApp video tour of our workshop for a convenient remote inspection.

Do you support OEM and ODM customization for bulk orders?

Yes, we provide comprehensive OEM and ODM services tailored for our global B2B partners. From custom product colors and branded logos to specific carton packaging designs, our flexible production lines can accommodate your needs. As an experienced swimming pool equipment manufacturer, we focus on delivering consistent quality to help your business succeed in local markets.

What pool equipment does Aquamama manufacture, and which markets do you export to?

As a premium swimming pool equipment manufacturer in China , Aquamama specializes in complete filtration and circulation systems. We focus on producing high-demand commercial and residential core products, including: Sand Filters: Gelcoat fiberglass and bobbin-wound fiberglass sand filters. Pool Pumps: Inverter pool pumps, dual-speed, dual-voltage, and constant-speed models. Pool Accessories: Underwater lighting, skimmers, and hydrotherapy jets. With over 22 years of export experience, we proudly supply reliable pool equipment to distributors, pool builders, and dealers worldwide, including the Middle East, India, Southeast Asia, Africa, the Americas, and Southern Europe.

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