Heat Pump Expansion Valve
The RTB series is a two-way throttling heat pump TXV valve.
Supports MOP function.
Various Inlet and outlet types and sizes can be made according to the needs.
Evaporation temperatures: +10, +4.4, -6.7, -17.8, -29, -40℃.
Available R22、R134a、R407c、R404A/R507 and R410A.
Factory setting: superheat 3.5K; static superheat adjustment range is between 2- 8 K.
Turn the adjusting stem anticlockwise one round; this reduces superheat by 1.5 K.
Model and Capacity
Support SAE and ODF Interface. If your heat pump system has special requirements, please contact Miracle.
| R134a | R22 | R407c | R404A/R507 | R410A | ||||||||||
| Model | Nominal capacity (KW) | Model | Nominal capacity (KW) | Model | Nominal capacity (KW) | Model | Nominal capacity (KW) | Model | Nominal capacity (KW) | |||||
| RTB(T) | 1/2M | 1.93 | RTB(T) | 1H | 3.52 | RTB(T) | 1N | 3.7 | RTB(T) | 2/3S | 2.6 | RTB(T) | 1-1/4Z | 4.2 |
| RTB(T) | 1M | 3.85 | RTB(T) | 2H | 7 | RTB(T) | 2N | 7.24 | RTB(T) | 1-1/2S | 5.25 | RTB(T) | 2-1/2Z | 8.4 |
| RTB(T) | 1-2/3M | 5.77 | RTB(T) | 3H | 10.5 | RTB(T) | 3N | 11 | RTB(T) | 2S | 7.8 | RTB(T) | 3-1/2Z | 12.6 |
| RTB(T) | 2M | 7.7 | RTB(T) | 4H | 14 | RTB(T) | 4N | 14.5 | RTB(T) | 3S | 10.5 | RTB(T) | 4-1/2Z | 16.8 |
| RTB(T) | 2-3/4M | 9.7 | RTB(T) | 5H | 17.6 | RTB(T) | 5N | 18 | RTB(T) | 3-2/3S | 13.2 | RTB(T) | 6Z | 21.1 |
| RTB(T) | 3-1/3M | 11.6 | RTB(T) | 6H | 21.1 | RTB(T) | 6N | 21.5 | RTB(T) | 4-1/2S | 15.8 | RTB(T) | 7-1/2Z | 25.3 |
| RTB(T) | 4M | 14.5 | RTB(T) | 7-1/2H | 26.4 | RTB(T) | 7-1/2N | 27 | RTB(T) | 5-1/2S | 19.8 | RTB(T) | 9Z | 31.7 |
| RTB(T) | 5-1/2M | 19.36 | RTB(T) | 10H | 35.2 | RTB(T) | 10N | 35.6 | RTB(T) | 7-1/2S | 26.4 | RTB(T) | 12Z | 42.2 |
| RTB(T) | 6-1/2M | 23.2 | RTB(T) | 12H | 42.2 | RTB(T) | 12N | 42.6 | RTB(T) | 8-1/2S | 31.7 | RTB(T) | 14Z | 50.6 |
| RTBM(T) | 7-3/4M | 27.1 | RTBM(T) | 14H | 49.3 | RTBM(T) | 14N | 49.3 | RTBM(T) | 10S | 37 | RTBM(T) | 17Z | 59.2 |
| RTBM(T) | 10M | 34.8 | RTBM(T) | 18H | 63.4 | RTBM(T) | 18N | 63.3 | RTBM(T) | 13S | 47.5 | RTBM(T) | 22Z | 76.1 |
| RTBM(T) | 12M | 42.5 | RTBM(T) | 22H | 77.4 | RTBM(T) | 22N | 77.4 | RTBM(T) | 16S | 58.1 | RTBM(T) | 26Z | 92.9 |
| RTBM(T) | 14M | 50.3 | RTBM(T) | 26H | 91.5 | RTBM(T) | 26N | 91.5 | RTBM(T) | 19S | 68.6 | RTBM(T) | 31Z | 109.8 |
| RTBM(T) | 20M | 84.48 | RTBM(T) | 35H | 123.2 | RTBM(T) | 35N | 121.9 | RTBM(T) | 25S | 88 | RTBM(T) | 42Z | 147.8 |
| RTBM(T) | 25M | 105.6 | RTBM(T) | 45H | 158.4 | RTBM(T) | 45N | 156.78 | RTBM(T) | 32S | 112.64 | RTBM(T) | 55Z | 193.6 |
| RTBM(T) | 31M | 147.84 | RTBM(T) | 55H | 193.6 | RTBM(T) | 55N | 191.41 | RTBM(T) | 38S | 133.76 | RTBM(T) | 65Z | 228.8 |
Documents
- Appearance
- External Dimensions
- Capacity Table
RTB1H-12H is an SAE port; RTBMT14H-55H is an ODF port.
| Model | Connection size | A | B | C | D | E | F | G | H | |
| Inlet | Outlet | |||||||||
| RTB(T)1H | 3/8ODF 3/8SAE | 1/2ODF 1/2SAE | 102 | 61 | 100 | 71 | Ф55 | 26 | Ф13 | 89 |
| RTB(T)2H | 102 | 61 | 100 | 71 | Ф55 | 26 | ||||
| RTB(T)3H | 102 | 61 | 100 | 71 | Ф55 | 26 | ||||
| RTB(T)4H | 102 | 61 | 100 | 71 | Ф55 | 26 | ||||
| RTB(T)5H | 3/8ODF 3/8SAE | 5/8ODF 5/8SAE | 102 | 61 | 100 | 71 | Ф55 | 26 | ||
| RTB(T)6H | 1/20DF 1/2SAE | 5/8ODF 5/8SAE | 102 | 61 | 100 | 71 | Ф55 | 26 | ||
| RTB(T)7-1/2H | 102 | 61 | 100 | 71 | Ф55 | 26 | ||||
| RTB(T10H | 102 | 61 | 100 | 71 | Ф55 | 26 | ||||
| RTB(T12H | 102 | 61 | 100 | 71 | Ф55 | 26 | ||||
| RTBM(T14H | 5/8ODF | 7/8ODF | 108 | 66 | 110 | 76 | Ф55 | 29 | ||
| RTBM(T)18H | 108 | 66 | 110 | 76 | Ф55 | 29 | ||||
| RTBM(T)22H | 108 | 66 | 110 | 76 | Ф55 | 29 | ||||
| RTBM(T)26H | 108 | 66 | 110 | 76 | Ф55 | 29 | ||||
| RTBM(T)35H | 7/8ODF | 9/8ODF | 115 | 66 | 125 | 76 | Ф55 | 29 | ||
| RTBM(T)45H | 115 | 66 | 125 | 76 | Ф55 | 29 | ||||
| RTBM(T)55H | 115 | 66 | 125 | 76 | Ф55 | 29 | ||||
If the expansion valve listed in the table does not meet your needs for a heat pump system, please contact us and we will develop an expansion valve suitable for your project.
Accessories
Sensing Bulb Mounting Strap
All Heat Pump Expansion Valve models come with copper temperature-sensing bandages, eliminating the need for a separate purchase.
For more details, please contact us now.
Heat Pump Expansion Valve Service
- Advantages
OEM manufacturing for Fortune 500 companies.
Extensive experience in heat pump system design and selection allows us to provide optimal Heat Pump Expansion Valve Service.
Our Heat Pump Expansion Valve Service supports multiple refrigerants and meets the needs of heat pump systems in Europe, America, and Australia.
Supports 2D/3D drawings.
Expansion Valve Catalog PDF
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