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Help CenterExchangable Cages Expansion Valve R410 for R22 R410A R134A R407A
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Specifications
expansion valve R4101.Interchangeable cage
2.MOP
3.for R22 R410A R134A R407A
expansion valve R410
Overview
SMJ valve is a new generation thermal expansion valve,
it is especially suitable for a variety of small and medium
dry-type evaporators in liquid injection.
Characteristics
l Interchangeable orifice assembly,easy-to- stock,easy capacity matching,better service.
l The hybrid charge technology is applied to the contact bulb.
l Can be equipped with the external or internal pressure equalization.
l Superheat is adjustable,factory setting is 3°c.
l Safe working pressure: 4.5 MPa.
Technical data
Interchangeable cages VS refrigerating capacity (Ton)
Code |
R134a |
R22 |
R404A |
R407C |
0 |
0.25 |
0.30 |
0.26 |
0.21 |
1 |
0.5 |
0.7 |
0.61 |
0.45 |
2 |
0.8 |
1.0 |
1.03 |
0.6 |
3 |
1.3 |
1.5 |
1.63 |
1.2 |
4 |
2.2 |
2.5 |
2.66 |
2.1 |
5 |
3.0 |
4.0 |
3.24 |
2.6 |
6 |
4.0 |
5.0 |
3.74 |
3.5 |
Note:Nominal capacity is based on evaporating temperature te=4.4°c, condensing temperature tc=40°c,and refrigerant temperature ahead of valve t1= 37.8°c.
R134a-ΔP=0.46MPa, R22-ΔP=0.69 MPa, R404A-ΔP=0.72MPa,R407C-ΔP=0.69MPa.
Reference for model selection
When selecting capability of the expansion valve, pressure differences between two ends of the valve and evaporating temperature should be considered, so as to make it to fit with the thermal load of the evaporator. We have any information which could be used as reference for model selection. Since it is difficult to calculate the actual pressure loss, we suggest that the selection of model and specification should be done based on test under the actual working condition.
There is relationship between pressure loss and cooling capacity. If ΔP exceeding the value as we mentioned, we suggest to apply the external equalizer valve, which is suitable for the occasions of great resistance to flowing refrigerating agent, low evaporating temperature and over numbers of liquid branches. Besides, we suggest to establish a over cooling temperature of 1 ~ 4ºC before the expansion valve.
We are pleased to provide the tables of Extended capacity (Tons) and Fault frequently occurred and their solution when you want.
Auto Air Conditioner Expansion Valve
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 Carrier 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!
Send Inquiry to This Supplier
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