I. Overview:
This special safety valve is mainly used in liquid oxygen (liquid
nitrogen, liquid nitrogen) and other cryogenic liquid medium
systems. It has the characteristics of free start, reliable sealing
and stable take-off pressure.
2. Specifications:
| Nominal diameter | DN 25mm |
| Nominal pressure | PN 2.5MPa |
| Applicable medium | LO2, LN2, LAR, LNG, etc. |
| Applicable temperature | -196 ℃-+ 80 ℃ |
3. Material:
Body and seat: copper / stainless steel
Valve top, stem, spring: stainless steel
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.
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.
Product Code | Size |
H | H1 | L | M1 | M2 | D0 | D1 | D2 | D3 |
C7K15 | 111 | 61 | 38 | M27×1.5 | M30×2 | 20 | 34 | 12 | 26 |
C7K25 | 140 | 80 | 41 | M33×2 | M36×2 | 25 | 40 | 20 | 32 |
