Place of Origin:
CHINA
Brand Name:
CNLN
Certification:
CE/ISO
Model Number:
Safety valve
Manual DN25 CF8 Cryogenic Fall Lift Safety Valve
Cryogenic Fall Lift Safety Valve 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 Teflon
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. |
Cryogenic Safety Valve Notes
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.
Cryogenic Fall Lift Safety Valve Display
Specification Of Cryogenic Fall Lift Safety Valve
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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 |
FAQ
Q. Are there any special requirements for OEM purchases?
A. Yes. Liangchuan requires proof of trademark registration in order to print or emboss your trademark onto the product or packaging.
Q. Do Liangchuan products come with a warranty ?
A. Yes. That's why we offer 3-year product life guarantee, and a generous1 year warranty on all purchases that begins with the bill of loading.
Q. How can I get some samples?
A. Usually we don’t offer free sample and express fee are required, the sample cost can be deducted from your first large order.
Q. What's the MOQ of your products?
A. Our MOQ is one (1) piece/set.
Q. Are you a manufacturer with your own factory?
A. Yes, we are the manufacturer for more than 8 years
Common Sense Of Cryogenic Fall Lift Safety Valve
1. Pass the low temperature performance test to ensure the low temperature performance of the material and the comprehensive mechanical performance, strength and rigidity of the workpiece;
2. The valve stem adopts a lengthened structure, and the design includes a self-adjusting lengthening system to reset the wear, tightening and expansion caused by thermal energy changes;
3. It has a structure to prevent abnormal pressure rise, and a pressure relief hole is provided to release the overpressure caused by the heat of the liquid medium trapped in the valve cavity;
4. When operating at high temperature under low temperature conditions, there is no jamming or scratching of internal materials.
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