Description
Gallons: 45.0
Acceptance: 21.0
Diameter: 20
Height: 38
System Connection: 1
Wilo Fixed Diaphragm Tanks – ASME Rated
The Wilo Fixed Diaphragm Tank – ASME series is engineered for commercial and industrial hydronic systems requiring durable pressure-rated expansion tanks. These tanks include a fixed heavy-duty diaphragm, steel shell construction, and ASME certification for high-reliability applications.
- Certification: ASME Section VIII compliant
- Maximum Pressure: 150 PSI (typical ASME rating)
- Construction: Welded steel shell with fixed diaphragm
- Applications: Hydronic heating, chilled water systems, thermal expansion control
- Features: Long-life diaphragm, corrosion-resistant finish, multiple connection sizes
Model Listing
| Model | Gallons | Acceptance (gal) | Diameter (in) | Height (in) | System Connection (in) | Approx. Weight (lbs) | Article Number | List Price (USD) |
|---|---|---|---|---|---|---|---|---|
| NTA-15 | 7.8 | 4.8 | 12 | 19 | 3/4 | 44 | 2771562 | 1317 |
| NTA-20 | 10.9 | 4.8 | 12 | 25 | 3/4 | 47 | 2771563 | 1341 |
| NTA-40 | 25 | 10.5 | 16 | 33 | 1 | 90 | 2771564 | 2073 |
| NTA-60 | 35 | 10.5 | 16 | 45 | 1 | 111 | 2771565 | 2134 |
| NTA-80 | 45 | 21 | 20 | 38 | 1 | 147 | 2771566 | 2952 |
| NTA-100 | 60 | 21 | 20 | 49 | 1 | 167 | 2771567 | 3106 |
| NTA-120 | 70 | 52.5 | 24 | 46 | 1½ | 225 | 2771568 | 3723 |
| NTA-144 | 80 | 52.5 | 24 | 49 | 1½ | 245 | 2771569 | 3983 |
| NTA-190 | 90 | 52.5 | 24 | 56 | 1½ | 265 | 2771570 | 4397 |
| NTA-200 | 115 | 52.5 | 24 | 66 | 1½ | 295 | 2771571 | 4473 |
| NTA-240 | 140 | 52.5 | 24 | 78 | 1½ | 425 | 2771572 | 5663 |
| NTA-260 | 158 | 56 | 30 | 61 | 1½ | 475 | 2771573 | 6512 |
| NTA-280 | 211 | 84 | 30 | 79 | 1½ | 645 | 2771574 | 7535 |
Applications
- Closed-loop hydronic heating systems
- Chilled water systems
- Thermal expansion control
- Commercial and industrial pressure management
Note: Specifications and pricing are based on manufacturer-provided product data.