Place of Origin:
CHINA
Brand Name:
CNLN
Certification:
CE/ISO
Model Number:
Safety valve
DN25 Cryogenic Full Open Safety Valve For LNG Tank
Product Description
Product specifications
Product type: Spring direct acting full open
Nominal pressure: 2.5MPa,4.0MPa
Applicable medium: LO2, LN2, LAr, LNG, LC2H4, etc.
Applicable temperature: -196 ～ + 80 ℃
Connection: Thread
Material of main parts
Body and seat: stainless steel
Spring: stainless steel Disc Seal: Reinforced
Customer Notice:
1. If customers have special requirements for products, they must provide the following instructions in the order contract:
a. Structure length
b. Connection Type;
c. Nominal diameter
d. Product use medium and temperature and pressure range;
e. Testing, inspection standards and other requirements.
2. The factory can configure various driving devices according to customer specific requirements.
3. If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract on the condition that the supply and demand sides understand and agree.
4. For futures and ordering customers, please call the letter to tell the valve model, specifications, quantity, delivery time and place in detail. And advance payment of 30% of the total contract amount, the supplier is ready for production.
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Valve Type:safety valve |
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Connection Type: screw/thread |
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Nominal Diameter:DN15~25mm |
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Nominal Pressure:PN4.0MPa |
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Set Pressure:0.92MPa,1.76 MPa,2.42 MPa |
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Material: Valve Body:CF8; Valve Seat:05Cr19Ni10; Seal material:PTFE; |
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Suitable Medium:O2,N2,Ar,LNG,LCO2,etc |
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Suitable Temparature:(-80℃~+120℃) |
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Design and Manufacture:Conform to GB/T24925-2010 |
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Testing:Conform to GB/T13927-2008 |
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Valve Lifetime:Specified according to usage frequency and installation location |
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Lead Time:Customized valves are usually 30~45 days; Stock valves are usually within 5 days. |
Notes When Use
1 . It should ensure that the pipe is blown clean before installation.
2 . When installing, make sure that the flow direction indicated by the arrow on the valve body should be consistent with the flow direction of the fluid.
3 . This valve has been degreased. Store and keep clean when installing.
4 . After the pipeline construction is completed, all the valves on the pipeline should be opened, and the residue in the pipeline should be thoroughly and thoroughly kept to ensure that the pipeline system is clean and free of debris.
5 . The installation system diagram with the oil-free requirements should be degreased.
6 . Slowly open and close during use.
7 . If the precision parts such as the valve disc, valve seat and valve stem are worn or damaged, it must be repaired and replaced in time.
8 . For parts such as gaskets and sealing materials, replace them with new ones each time.
Valves Display
Valve Specification
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Product Code |
Size |
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H |
H1 |
L |
M1 |
M2 |
D0 |
D1 |
D2 |
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C158DJ15 |
179 |
62 |
47 |
M45×2 |
M36×2 |
36 |
15 |
32 |
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C158DJ25 |
159 |
51 |
46 |
M30×1.5 |
M30×1.5 |
22 |
12 |
26 |
Common Sense Of Cryogenic Full Open Safety Valve
Cryogenic valves, as the name implies, are valves that can work in cryogenic and cryogenic conditions. The demarcation of their working temperature is usually called low-temperature valves, which are mainly used for gas liquefaction, For separation, transportation and storage equipment, the operating temperature can reach below 270°C. Currently, there are gate valves, globe valves, check valves, ball valves, butterfly valves, and throttle valves.
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