⑥ German coated sand casting Surface finish: 12.5~25 microns
Conical seal:The sealing surface
has self-cleaning function and is
not easy to adhere to impurities,
which can achieve linear sealing.
Balanced disc seal:Small disc relieves pressure and drives large disc to open easily.
Flat soft seal:The surface of the soft seal can prevent the sparks when opening and closing,it's suitable for gas media and corrosion resistance conditions.
Main Part Materials
Name
Material
Body
Gs-C25,JS1049,CF8,CF8M,CF3M
Seat
13Cr,SS304,SS316,Stellite
Disc
13Cr,F304,F316,Stellite
Bellows
SS304,SS316L
Stem
20Cr13,F304,F316
Bonnet
GS-C25,JS1049,CF8,CF8M,CF3M
Performance Table
Nominal Pressure
PN(MPA)
Test Pressure
Shell Test
1.5 x Pr
Sealing Test
1.1 x Pr
Air Test
0.6
Bellows Assembly Test
1.5 x Pr
Suitable Temp
-196℃~600℃
Note: Pr is the pressure rating of the material at room temperature, the unit is MPa
Selection and Application
According to the performance of the medium, temperature, pressure, flow rate, and other characteristics combined with the process, operation, safety and other factors, we can select the corresponding valve specifications.
Application
Heating
Industrial Chemistry
Electricity
Pharmacy
Food
Tobacco
Printing
Air Conditioning
Shipbuilding
Steam
Thermal Oil
Ammonia Gas
Liquid Ammonia
Ethylene Glycol
Fatty Acid
Gases
Precious Fluids
ETC….
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