Brand Name: DUNAN
Model Number: Butterfly Valve
Place of Origin: Zhejiang, China (Mainland)
important part valve system split type air conditioner, play outdoor unit is connected to the indoor unit, and close or open the refrigerant circuit, vacuum or refrigerant charging effect.
Uses and Features
Suitable for large commercial, central air conditioning and refrigeration and other refrigeration equipment;
use of modified PTFE seat sealing, switch light;
valve stem just rotate 90 °, that is able to fully open, fully closed;
When open cavity was straight-through, flow, small resistance;
simple shape, small installation space.
Scope
Suitable refrigerants: R134a / R22 / R407C / R410A;
maximum working pressure: 4.2MPa;
For fluid temperature: -30 °C ~ + 120 °C;
Ambient temperature: -20 °C ~ + 60 °C.
| Product specifications: |
|
Spec
|
tubing size
φmm
|
Nominal
Diameter
mm |
One line hole
Diameter
mm
|
connector
thread size
|
Valve cap
thread size
|
Charging
thread
size
|
Matching capacity
|
|
|
kW
|
TR
|
|||||||
|
DG4
|
6.35(4.8,8)
|
4.8
|
7.5(7,5.5)
|
7/16-20UNF
|
M16×1
(M14×1) |
7/16-20
UNF-2A 1/2-20 UNF-2A |
2.5~5
|
0.71~1.73
|
|
DG8
|
9.52(8)
|
8(7)
|
7.5(7)
|
5/8-18UNF
|
M16×1
(M14×1) |
2.5~12.5
|
0.71~3.57
|
|
|
DG10
|
12.7(12)
|
13(12.5)
|
9.5
|
3/4-16UNF
|
M18×1
(M20×1) |
4.25~12.5
|
1.21~3.57
|
|
|
DG13
|
15.88
|
16
|
12.5
|
7/8-14UNF
|
M22×1.5
(M25×1.5) |
7.5
|
2.14
|
|
|
DG16
|
19
|
20(19)
|
15.5
|
17/16-14UN
|
M26 ×1.5
(M28×1.5) |
12.5
|
3.57
|
|
|
DG20
|
22.4
|
22
|
17
|
5/4-12UN
|
M30×1.5
|
15~30
|
4.29~8.57
|
|
|
DG25
|
25.4
|
25
|
22
|
23/16-12UN
|
M35×1.5
|
|||
|
SPEC
|
A mm |
B mm |
C mm |
H1 mm |
H2 mm |
|
DG4
|
——
|
(<23.5)
|
38
|
15
|
(37.5)
|
|
DG8
|
(32)
|
(<24.5)
|
(42.5)
|
||
|
DG10
|
(33)
|
(<29.5)
|
18
|
(49)
|
|
|
DG13
|
(35)
|
(<33)
|
44
|
18
|
(53.5)
|
|
DG16
|
(36)
|
(<39)
|
23
|
(63.5)
|
|
|
DG20
|
(39)
|
(<50)
|
54
|
28.5
|
(70)
|
|
DG22
|
|||||
|
DG25
|
1.We are a professional factory of copper fitting.Have exported to many countries and get good reputation with our high quality.
2.Accept OEM service,we can according to customer's drawing design.
3.More than 10 years experienced technical staff,make sure supply high quality products.
Question1: Did you accept products customization?Is they need mould fee?
Answer: Yes, we accept products customization.Need mould fee,because products usually need extra mould cost.But,we can return the mould fee when you reach a specific quantity.
Question2: Can we get free samples?
Answer: Little quantity normal copper fitting samples can provide for free except for delivery cost.
Question3: How long is the normal production period for a 20-foot shipping container?
Answer: According to the current productive capacity, usually needs 30 days from producing to delivery.
Question4:What is the type of payment?
Answer: Usually you should prepay 30% of the total amount. The balance should be pay off before we get the original B/L.
Question5:How to guarantee the high quality?
Answer: We have testing department to make sure every product of size,appearance and pressure test are good.
Question6: How is the raw copper material price?
Answer: The price of copper is decided by the LME cash buyer price at the day when clients submit the orders.
Verified Supplier - Yiwu Shuangchuang Refrigeration Equipment Co., Ltd.
Bussiness Type: Trading Company 
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