ORG 4021 PRO Membrane with Vertical Housing
1,200 GPD LE-4021 PRO membrane for 100 L/hour RO plants, with a vertical housing that installs just like a filter housing.
ORG Industrial RO Membranes, BW Series
Polyamide thin-film composite brackish-water RO elements in 4021, 4040 and 8040 sizes, 98.5 % rejection.
Commercial and industrial RO plants
₹4,575
+ GST
MRP ₹12,000 incl. of all taxes
Price on request. Ask us for today’s price and availability.
Model
BW-4021-54
Model BW-4021-54
- Element size
- 4" × 21"
- Nominal flow, BW-4021
- 900 GPD (3,408 L/day)
- Active area, BW-4021
- 36 ft²
- Membrane type
- Polyamide thin-film composite
- Element size
- 4" × 40"
- Nominal flow, BW-4040
- 2,400 GPD (9,088 L/day)
- Active area, BW-4040
- 90 ft²
- Membrane type
- Polyamide thin-film composite
- Element size
- 4" × 40"
- Nominal flow, BW-4040
- 2,400 GPD (9,088 L/day)
- Active area, BW-4040
- 90 ft²
- Membrane type
- Polyamide thin-film composite
- Element size
- 8" × 40"
- Nominal flow, BW-8040
- 11,200 GPD (42,410 L/day)
- Active area, BW-8040
- 430 ft²
- Membrane type
- Polyamide thin-film composite
- Element size
- 8" × 40"
- Nominal flow, BW-8040
- 11,200 GPD (42,410 L/day)
- Active area, BW-8040
- 430 ft²
- Membrane type
- Polyamide thin-film composite
Specifications from the manufacturer’s data. We confirm suitability for your water and setup before supply. Prices exclude GST; delivery and installation are quoted separately.
Overview
ORG Industrial RO Membranes, BW Series
Brackish-water RO elements for commercial and industrial plants, in 4-inch (4021, 4040) and 8-inch (8040) sizes. The polyamide thin-film composite membrane rejects 98.5 % of dissolved salts and runs at up to 41 bar and 45 °C. Nominal performance below is ORG's data for each size; we confirm the element against your plant's design flow and feed TDS before supply.
- Polyamide thin-film composite membrane
- 98.5 % salt rejection
- 4021, 4040 and 8040 element sizes
- Up to 600 psi (41 bar) operating pressure
- Continuous operation from pH 3 to 11
Technical data
Specifications BW-4021-54
| Model | BW-4021-54 |
|---|---|
| Element size | 4" × 21" |
| Nominal flow, BW-4021 | 900 GPD (3,408 L/day) |
| Active area, BW-4021 | 36 ft² |
| Model | BW-4040-97 |
| Element size | 4" × 40" |
| Nominal flow, BW-4040 | 2,400 GPD (9,088 L/day) |
| Active area, BW-4040 | 90 ft² |
| Model | BW-4040-108 |
| Element size | 4" × 40" |
| Nominal flow, BW-4040 | 2,400 GPD (9,088 L/day) |
| Active area, BW-4040 | 90 ft² |
| Model | BW-8040-409 |
| Element size | 8" × 40" |
| Nominal flow, BW-8040 | 11,200 GPD (42,410 L/day) |
| Active area, BW-8040 | 430 ft² |
| Model | BW-8040-431 |
| Element size | 8" × 40" |
| Nominal flow, BW-8040 | 11,200 GPD (42,410 L/day) |
| Active area, BW-8040 | 430 ft² |
| Brand | ORG |
| Operating limits | |
| Membrane type | Polyamide thin-film composite |
| Rejection | 98.5 % |
| Max. operating temperature | 45 °C (113 °F) |
| Max. operating pressure | 600 psi (41 bar) |
| Max. pressure drop | 15 psi (1 bar) per element |
| Max. feed water turbidity | 1.0 NTU |
| pH range, continuous operation | 3 - 11 |
Operating limits and nominal performance: ORG catalogue (page 82). Models and MRP: ORG membrane price list 2026.
Good to know
Specifications are the manufacturer’s. We confirm suitability for your water and setup before supply.
Our prices exclude GST. MRP is the manufacturer’s maximum retail price, inclusive of all taxes.
Side by side
Compare all models
Select a column to update the page. Prices + GST.
| Model | |||||
|---|---|---|---|---|---|
| Model | BW-4021-54 | BW-4040-97 | BW-4040-108 | BW-8040-409 | BW-8040-431 |
| Element size | 4" × 21" | 4" × 40" | 4" × 40" | 8" × 40" | 8" × 40" |
| Nominal flow, BW-4021 | 900 GPD (3,408 L/day) | — | — | — | — |
| Active area, BW-4021 | 36 ft² | — | — | — | — |
| Nominal flow, BW-4040 | — | 2,400 GPD (9,088 L/day) | 2,400 GPD (9,088 L/day) | — | — |
| Active area, BW-4040 | — | 90 ft² | 90 ft² | — | — |
| Nominal flow, BW-8040 | — | — | — | 11,200 GPD (42,410 L/day) | 11,200 GPD (42,410 L/day) |
| Active area, BW-8040 | — | — | — | 430 ft² | 430 ft² |
| MRP | |||||
| Our price + GST | ₹4,575 | ₹7,800 | ₹8,700 | ₹30,900 | ₹32,250 |
Order enquiry
Ask about the ORG Industrial RO Membranes, BW Series
Tell us the model and quantity you need. We’ll confirm availability, delivery and fitting, and send a written quotation with GST.
- 1We confirm the right model for your water and setup.
- 2You get a written quotation with GST, delivery and fitting.
- 3We supply it, and our technician fits it if you need.