Expansion Valve for Air Conditioner
General:
RTB/RTBT are bi-flow expansion valves, widely used in heatpumps,
Air conditions refrigeration system.
Characteristics:
1. Constant superheat adjusting performance.
2. Evaporating temperature range: -40º C~+10º C.
3. Can be supplied with MOP(Max operating pressure).
4. Constant superheat adjusting performance...
5. Suitable for R22, R134a, R407c, R404A/R507.
Superheat adjusting
Factory setting: Superheat 3.5K, static superheat adjusting range is between 2~8K.
Take off cap and turn adjusting stem. Turn adjusting stem clockwise one round, reduces superheat 1.5K.
R134a | R22 | R407c | R404A/R507 |
(Model) | Nominal capacity (KW) | (Model) | Nominal capacity (KW) | (Model) | Nominal capacity (KW) | (Model) | Nominal capacity (KW) |
RTB RTBT | 1/2M | 1.76 | RTB RTBT | 1H | 3.52 | RTB RTBT | 1N | 3.52 | RTB RTBT | 2/3S | 2.35 |
RTB RTBT | 1-1/2M | 5.28 | RTB RTBT | 2H | 7.04 | RTB RTBT | 2N | 7.04 | RTB RTBT | 1-1/2S | 5.28 |
RTB RTBT | 2M | 7.04 | RTB RTBT | 3H | 10.56 | RTB RTBT | 3N | 10.56 | RTB RTBT | 2S | 7.04 |
RTB RTBT | 2-1/2M | 8.80 | RTB RTBT | 4H | 14.08 | RTB RTBT | 4N | 14.08 | RTB RTBT | 3S | 10.56 |
RTB RTBT | 3M | 10.56 | RTB RTBT | 5H | 17.60 | RTB RTBT | 5N | 17.60 | RTB RTBT | 3-1/2S | 12.32 |
RTB RTBT | 4M | 12.32 | RTB RTBT | 6H | 21.12 | RTB RTBT | 6N | 21.12 | RTB RTBT | 4S | 14.08 |
RTB RTBT | 5-1/2M | 19.36 | RTB RTBT | 7-1/2H | 26.40 | RTB RTBT | 7-1/2N | 26.40 | RTB RTBT | 5S | 17.60 |
RTB RTBT | 7-1/2M | 26.40 | RTB RTBT | 10H | 35.20 | RTB RTBT | 10N | 35.20 | RTB RTBT | 7S | 24.64 |
RTB RTBT | 9M | 31.68 | RTB RTBT | 12H | 42.24 | RTB RTBT | 12N | 42.24 | RTB RTBT | 8-1/2S | 29.92 |
Shanghai Thermostat Factory Co., Ltd. is a professional manufacturer of refrigeration and air condition auto-control unit. We have more than 60 years history in this industry.
In 1985, STF cooperated with ALCO to produce T series expansion valves. We were the only Chinese company having the mixed infusing technology in expansion valve production. In 1993, Shanghai Johnson Controller Co., Ltd. Was established by us and Johnson to produce YK series controllers. In 1996, FDF-M diaphragm solenoid valve was certificated as National Grade New Product. As a high-tech enterprise, we get innovation fund from the government.
Our main products include solenoid valves, thermostatic expansion valves, sight glasses, filter dryers, pressure controls, pressure difference controls, temperature controls. We have gained approval for our quality control system in relation to international standard ISO9001: 2008. UL/cUL\CE & CQC approval can be supplied to order.
Products are widely used by Carrier, YORK, Trane, Dunhambush, McQuay, Mammoth, HANBELL, RefComp, Midea, Gree etc. And exported to America, Europe, Australia, Africa, Korea, Hong Kong, Philippine and Taiwan.
We stick to the development of specialization, give the best solution of localization and keep advanced in technology by continual innovation. We are always pursuing to be a leading enterprise in our area.