RTL 400 GPD Semi-Commercial RO Membrane – For 400, 800 & 1200 GPD Semi-Commercial Plants
Most buyers think of an RO membrane as a one-to-one replacement — one membrane, one plant. The RTL HR3013-400 works differently. It is a building block element, designed to operate in parallel configurations that multiply your RO system's output capacity without requiring completely different infrastructure.
A single HR3013-400 installed in a 400 GPD semi-commercial plant produces approximately 1,514 litres of purified water per day. Install two of them in an 800 GPD plant running in parallel and you get approximately 3,028 litres per day. Install three in a 1200 GPD plant and output reaches approximately 4,542 litres per day — enough to supply a large hospital wing, a busy semi-commercial water filling station, or a factory canteen serving 150+ workers daily.
This modular approach is what makes the HR3013-400 the most commercially versatile element in Axtron's RTL membrane range. And at Rs. 12,000 per unit, it is the highest-capacity, highest-value RTL membrane available in Pakistan — with the same NSF-certified, 99% salt rejection HR series performance that has made RTL a trusted name in Pakistan's professional water treatment market.
HR3013-400 is a building block membrane: 1 unit = 400 GPD plant | 2 units = 800 GPD plant | 3 units = 1200 GPD plant. All three configurations use the same membrane element — only the number of units and housing size changes.
Three Plant Configurations — One Membrane Element
Here is how the HR3013-400 powers different plant capacities in practice:
Configuration 1 — 400 GPD Plant (1 Membrane):
A single HR3013-400 in a standard 400 GPD semi-commercial RO housing produces approximately 1,514 litres per day. Suitable for large office buildings (80–120 staff), medium-sized schools, restaurants with high water demand, and community water points serving 50–80 people daily. This is the entry point into semi-commercial RO capacity.
Configuration 2 — 800 GPD Plant (2 Membranes in Parallel):
Two HR3013-400 elements installed in parallel inside an 800 GPD plant housing double the output to approximately 3,028 litres per day. This configuration serves water filling stations producing 150+ cans per day, large factories with 100–200 workers, hospitals with medium ward requirements, and large educational institutions with 500+ students.
Configuration 3 — 1200 GPD Plant (3 Membranes in Parallel):
Three HR3013-400 elements running in parallel in a 1200 GPD plant produce approximately 4,542 litres per day — the highest capacity configuration available with RTL's HR series at Axtron Pakistan. This level serves semi-commercial water bottling operations, large hospitals, big factory complexes, and high-volume community water plants that operate around the clock.
| Plant Size | Membranes | Daily Output | People Served | Typical Application |
| 400 GPD | 1 × HR3013-400 | ~1,514 L/day | 80–120 people | Large office, medium school, restaurant |
| 800 GPD | 2 × HR3013-400 | ~3,028 L/day | 150–200 people | Factory, hospital ward, water filling station |
| 1200 GPD | 3 × HR3013-400 | ~4,542 L/day | 200–300+ people | Large hospital, factory complex, semi-commercial plant |
COMPATIBILITY: The HR3013-400 uses the 3013 format (3.0 inch diameter × 13 inch length). It fits 400 GPD semi-commercial RO housings only. In 800 GPD plants, two housings run in parallel; in 1200 GPD plants, three housings run in parallel. Confirm your plant's GPD rating and housing format before ordering. RO technicians: the 3013 is longer than the 3012 used in 300 GPD plants — do not interchange. Contact Axtron Pakistan via WhatsApp to confirm compatibility for your installation.
Format Evolution — Understanding the 3013 Element
The HR3013-400 introduces the 3013 format to Axtron's RTL membrane range — the same 3.0 inch diameter as the 300 GPD HR3012-300, but 13 inches long instead of 12 inches. This extra inch of membrane length provides more active surface area, which is the primary reason for the jump from 300 GPD to 400 GPD output capacity. The longer element requires a 3013-compatible housing — always verify your plant's housing length before ordering.
| Model | Format | Diameter | Length | GPD Rating |
| HR1812-100 | 1812 | 1.8" | 12 inch | 100 GPD |
| HR2012-120 | 2012 | 2.0" | 12 inch | 120 GPD |
| HR2012-200 | 2012 | 2.0" | 12 inch | 200 GPD |
| HR3012-300 | 3012 | 3.0" | 12 inch | 300 GPD |
| HR3013-400 | 3013 | 3.0" | 13 inch | 400 GPD — THIS PRODUCT |
Who Buys the RTL HR3013-400 in Pakistan?
This is Axtron's highest-capacity RTL membrane. The buyer profile is distinctly more commercial and professional than domestic membrane buyers.
End-User Institutions:
- Large Factories and Industrial Units — Factories with 100–200+ workers need reliable, high-volume purified water for drinking, canteen use, and some process applications. The 800 GPD configuration (2 membranes) is the standard installation for mid-size factories across Pakistan's industrial cities.
- Hospitals and Medical Facilities — Medical facilities require continuous, uninterrupted purified water supply. The 1200 GPD configuration (3 membranes) provides the redundancy and volume hospitals need, while NSF certification gives procurement teams the documented safety compliance they require.
- Large Schools, Colleges and Universities — Educational institutions with 500–1000+ students benefit from 400–800 GPD capacity. NSF certification is increasingly required by private school management for water quality documentation.
- Commercial Water Filling Stations — High-volume water filling points serving 100+ cans per day require 800 or 1200 GPD capacity. The HR3013-400 in multi-unit configurations is the correct membrane specification for semi-commercial filling operations.
- Large Restaurants, Hotels and Catering Operations — High water demand from both kitchen use and guest service requires semi-commercial-grade RO capacity. The 400–800 GPD range covers most hospitality applications.
RO Technicians and Commercial Installers:
- Semi-Commercial Plant Installers — Technicians installing 800 and 1200 GPD semi-commercial RO systems for industrial and institutional clients source multiple HR3013-400 units per project. These are high-value, repeat-purchase buyers who need reliable supply, NSF certification documentation, and consistent product quality.
- RO Plant Maintenance Contractors — Service companies maintaining semi-commercial RO systems in factories, hospitals, and schools replace membranes on 12–18 month cycles. Each 1200 GPD plant installation means 3 units per service cycle — making this the highest per-order value membrane at Axtron.
- Water Treatment Project Suppliers — Companies supplying packaged water treatment solutions to housing projects, industrial parks, and institutional campuses specify semi-commercial membranes with NSF certification for project documentation.
FOR COMMERCIAL INSTALLERS & BULK BUYERS: Axtron Pakistan supplies HR3013-400 membranes for 400, 800, and 1200 GPD plant projects. We stock multiple units and can supply in quantity for commercial installations. Contact us via WhatsApp for pricing on multi-unit orders and project-based supply.
RTL HR Series — High TDS Performance at Semi-Commercial Scale
At semi-commercial scale, membrane performance in Pakistan's high TDS water conditions is not just a quality concern — it is a business continuity issue. A poorly performing membrane in a factory water system means production downtime. A failing membrane in a hospital RO plant is a patient safety risk. A degraded membrane in a semi-commercial filling station affects the entire business.
The RTL HR (High Rejection) series engineering addresses this at its core. The HR3013-400 maintains 99% salt rejection at feed water TDS up to 5000 ppm — consistent performance regardless of Pakistan's most challenging water conditions:
Faisalabad & Sheikhupura (Industrial Zone):
Factory groundwater with industrial contamination and TDS 800–2000 ppm. The HR series handles this without performance degradation that would affect production water quality.
Karachi Port & Coastal Industrial Areas:
High mineral content and salinity risk from coastal water sources. 99% rejection rate protects semi-commercial output quality even in coastal industrial zones.
Multan & Bahawalpur (Agricultural Industrial Mix):
Extreme TDS levels 1200–3000 ppm in bore water. The 5000 ppm rated capacity ensures HR3013-400 operates with full safety margin even in Pakistan's hardest water areas.
Lahore & Gujranwala (Commercial & Manufacturing):
Mixed municipal and industrial water supply. The HR series maintains consistent rejection across variable TDS — essential for semi-commercial operations that cannot tolerate output quality fluctuation.
Islamabad & Rawalpindi (Institutional):
Cleaner source water but institutional users still specify NSF-certified membranes for compliance documentation. Lower TDS means maximum membrane lifespan at this location.
Key Features of the RTL HR3013-400
- 400 GPD Commercial Output — Approximately 1,514 litres per day per unit. Scales to 3,028 litres (800 GPD, 2 units) or 4,542 litres (1200 GPD, 3 units) in parallel plant configurations.
- Multi-Plant Compatibility — One membrane element powers 400, 800, and 1200 GPD semi-commercial plant configurations. The only RTL membrane at Axtron used across three different plant sizes.
- 3013 Format (3.0" × 13") — Longer than the 3012 format, the 3013 provides greater active membrane surface area for higher output at the same 3.0 inch diameter. Fits 400 GPD semi-commercial RO housings and multi-unit 800/1200 GPD parallel configurations.
- NSF/ANSI Standard 58 Certified — Independently tested and certified by NSF International. Provides the documentation hospitals, schools, and institutional procurement teams need for water safety compliance.
- 99% Salt Rejection — Removes 99% of dissolved salts, heavy metals, arsenic, fluoride, chlorides, nitrates, and contaminants. Consistent at all feed water TDS up to 5000 ppm.
- High TDS Capability Up to 5000 ppm — HR series engineering maintains full semi-commercial-grade performance in Pakistan's hardest industrial and agricultural water conditions.
- Thin-Film Composite (TFC) Polyamide Element — Professional-grade membrane technology designed for continuous semi-commercial operation with extended service intervals.
- RTL Professional Manufacturing — Ningbo RXHL Technology, NSF certified, 30+ patents, global semi-commercial water treatment supplier. Trusted by Pakistan's professional RO industry.
Technical Specifications
Specification Detail Brand RTL (Ningbo RXHL Technology Co., Ltd.) Model Number HR3013-400 Series HR — High Rejection for High TDS Water Membrane Type Thin-Film Composite (TFC) Polyamide Rated Capacity 400 GPD per unit / approx. 1,514 litres per day Multi-Unit Capacity 800 GPD (2 units) = ~3,028 L/day | 1200 GPD (3 units) = ~4,542 L/day Salt Rejection Rate 99% (tested at 500 ppm NaCl, 65 psi, 25°C) Maximum Feed TDS Up to 5000 ppm Element Format 3013 — 3.0 inch diameter × 13 inch length System Compatibility 400 GPD semi-commercial housing; 800 GPD (2 units parallel); 1200 GPD (3 units parallel) NSF Certification NSF/ANSI Standard 58 — Certified by NSF International Application Factories, hospitals, schools, filling stations, semi-commercial buildings, large institutions Includes Membrane element + 2 × O-ring seals Price Rs. 12,000 per unit Delivery Nationwide COD — all cities Pakistan Frequently Asked Questions
Q: How many HR3013-400 membranes do I need for my 800 GPD plant?
A: You need exactly 2 units of the RTL HR3013-400 for an 800 GPD semi-commercial RO plant. The 800 GPD system runs two membrane elements in parallel inside two separate 3013 housings connected to the same system manifold. Both elements must be replaced at the same time during maintenance to maintain balanced output and consistent water quality across the parallel configuration. Order 2 units at Rs. 12,000 each = Rs. 24,000 for a complete 800 GPD membrane set.
Q: How many HR3013-400 membranes are needed for a 1200 GPD plant?
A: Three units of the RTL HR3013-400 are required for a 1200 GPD plant — three elements running in parallel in three separate 3013 housings. All three must be replaced simultaneously during service to maintain equal flow distribution across the parallel configuration. Replace one and leave two old ones, and your output quality and flow balance will be compromised. Order 3 units at Rs. 12,000 each = Rs. 36,000 for a complete 1200 GPD membrane set.
Q: Can the HR3013-400 handle the hard water in Pakistan's industrial cities?
A: Yes — it is specifically designed for this. The RTL HR (High Rejection) series is rated for feed water TDS up to 5000 ppm. Industrial zone water in Faisalabad, Gujranwala, and Sheikhupura typically reads 800–2000 ppm. Bore water in agricultural-industrial areas of Punjab can reach 1500–3000 ppm. The HR3013-400 handles all of these with its 5000 ppm rated capacity, maintaining 99% rejection performance throughout — which is critical for semi-commercial operations that depend on consistent output water quality.
Q: What is the difference between the HR3012-300 (300 GPD) and the HR3013-400 (400 GPD)?
A: Both elements are 3.0 inch diameter but differ in length — the HR3012-300 is 12 inches long (3012 format) and the HR3013-400 is 13 inches long (3013 format). The extra inch of membrane length on the 3013 provides more active surface area, which is the primary source of the additional 100 GPD output capacity. They are not interchangeable — the 3013 element will not fit a 3012 housing and vice versa. Always confirm your plant's housing format before ordering.
Q: I need NSF certification documentation for a hospital or institutional project. Does the HR3013-400 qualify?
A: Yes. The RTL HR3013-400 carries NSF International certification against NSF/ANSI Standard 58. The NSF certification mark and compliance statement appear directly on the product label — visible in the product photos on this page. For institutional procurement that requires formal certification documentation, you can verify the RTL membrane certification through NSF's
online certification database at info.nsf.org. Axtron Pakistan can also provide product invoices and documentation for procurement files upon request.
Q: Does Axtron Pakistan have stock for multiple units for an installation project?
A: Yes. Axtron Pakistan maintains stock of the RTL HR3013-400 for both single-unit replacement orders and multi-unit commercial installation projects. For orders of 3+ units (1200 GPD plant installations) or larger project quantities, contact us via WhatsApp before placing the order online to confirm stock availability and discuss project pricing. Nationwide COD delivery is available for all order sizes.