Product Description RTBT Expansion Valve for Bus Air Conditioner   General Characteristics Constant superheat adjusting performance. Evaporating temperature range: -40℃~+10℃. Can be supplied with MOP(Max operating pressure). Bi-flow capacity. 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. Technical data  

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

Note :Nominal capacity is based on evaporating temperature te=4.4℃, condensing temperature tc=40℃,and refrigerant temperature ahead of valve t1= 38℃   Dimensions    

Model

Connection size

A

B

C

D

E

F

G

H

External equalizerconnection size

Capillary length

Inlet

Outlet

mm

mm

mm

mm

mm

mm

mm

mm

RTBT 1/2H

10mm OR 3/8  ODF

12mm OR 1/2  ODF

107

61

100

71

55

31

13

89

6mm×1   HORN MOUTH OR   1/4 ODF

1.5m

RTBT 1H

RTBT 1-1/2H

RTBT 2H,3H,4H

RTBT 5H

10mm OR 3/8

16mm OR 5/8

ODF

ODF

RTBT 6H,7-1/2H

12mm OR 1/2

16mm OR 5/8

ODF

ODF

RTBT 10H

16mm OR 5/8

22mm OR 7/8

RTBT 12H

ODF

ODF

  Advantages   Company Information
  Production Flow   Certifications   Packaging & Shipping   RTBT Expansion Valve for Bus Air Conditioner normally closed Export cartons:31*25*21cm then into plastic pallet. Delivery Detail: 15days after receiving deposit   FAQ   1.Q: What is your main market?    A: Our main market is north America, especially USA. 2.Q: Are you products standard?    A: Our model is standard, if you have specific demand, pls tell us. 3.Q: Do you have interest to do our own design items?    A: Absolutely! We have big interest.   Our Services   1)Our advantage:    We are the manufacturer with more than 60 years experience in valves. Best price,quality and service, Also we can control the production status.   Shanghai Thermostat team with strong ability in designing and after sell service. Cooperation with ALCO,Carrier, Johnson Controller has improved our quality to a new level.   2)Terms of payment: T/T, L/C, Western union. 3)Shipment: average 20-25days after receiving deposit. 4)Delivery:  Shanghai ,by sea or air. 5)Gurantee: One year since delivery. 6)Inspection: 100% testing for all the valves. 7) All kinds of CERTIFICATE OF ORIGIN.   Welcome to choose Shanghai Thermostat , we are always ready!