Toray TM720D-370 Brackish Water Reverse Osmosis Membrane Element
The Toray TM720D-370 is a 8-inch (8040) brackish water reverse osmosis element built on Toray's cross-linked fully aromatic polyamide composite membrane, used for brackish and industrial water treatment. It has been replaced in Toray's current lineup by the TM720D-400.
📄 Download the Current TM700D Series Datasheet (PDF)
Legacy Specifications
From the legacy Toray product bulletin (not the current catalog). Test conditions differ from current-series elements; see the current TM700D datasheet for the successor's specs.
| Specification | Value |
|---|---|
| Element Size | 8 in x 40 in (8040) |
| Active Membrane Area | 370 ft² (34 m²) |
| Nominal Salt Rejection | 99.7% |
| Minimum Salt Rejection | 99% |
| Product Flow Rate | 7,500 gpd (28.4 m³/d) |
| Max Operating Pressure | 600 psi |
| Max Feed Temperature | 113°F |
| Test Conditions | 2,000 mg/L NaCl, 225 psi (1.55 MPa), 15% recovery, 77 F (25 C), pH 7 |
| Shipping Weight | ~40 lbs (boxed) |
| Shipping Dimensions | 10" × 44" × 10" (boxed W × L × D) |
| HS Code (Tariff) | 8421.21.0000 — water filtering/purifying apparatus |
Typical Applications
- Brackish water purification
- Industrial process and boiler feed water
- Municipal drinking water
- Water demineralization
- Cooling tower make-up
Frequently Asked Questions
Is the Toray TM720D-370 still available?
The TM720D-370 is a legacy element that Toray has superseded with the TM720D-400. Contact ForeverPure for current availability and the recommended replacement.
What replaced the TM720D-370?
Toray's current equivalent is the TM720D-400. We can help you cross-reference and size the replacement.
