The model number of D641X-16Q valve is: D-valve name is butterfly valve, 9-drive mode pneumatic, 7-connection form is flange, 1--mechanism is neutral, X-sealing surface is rubber, 16-represents 1.6MP (16 kg pressure), the C-valve body is made of ductile iron. This is the model number of the manufacturer of the pneumatic butterfly valve. Abbreviation: pneumatic butterfly valve or pneumatic pair butterfly valve. The meaning and editing instructions of the pneumatic butterfly valve model:
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The model number of D641X-16Q valve is: D-valve name is butterfly valve, 9-drive mode pneumatic, 7-connection form is flange, 1--mechanism is neutral, X-sealing surface is rubber, 16-represents 1.6MP (16 kg pressure), the C-valve body is made of ductile iron. This is the model number of the manufacturer of the pneumatic butterfly valve. Abbreviation: pneumatic butterfly valve or pneumatic pair butterfly valve.
(A), butterfly valve name code: "D" butterfly valve.
(B), butterfly valve transmission mode code: "0" electromagnetic movement, "1" electromagnetic-hydraulic, "2" electric-hydraulic, "3" worm gear, "4" spur gear, "5" bevel gear, "6" pneumatic , "7" hydraulic, "8" gas-hydraulic, "9" electric.
(3) Pneumatic butterfly valve connection form code: “1†internal thread, “2†external thread, “4†flange, “6†welding, “7†pair clamp, “8†clamp, “9†ferrule.
(4) Pneumatic butterfly valve structure form code: “0†unsealed triple eccentricity, “1†midline type, “2†single eccentricity, “3†double eccentricity, “4†linkage mechanism, “5†triple eccentricity, “ 6" center line type, "7" single eccentricity, "8" double eccentricity, "9" linkage structure (1~5 is sealed type, 6~9 is unsealed type).
(5) Pneumatic butterfly valve sealing surface or lining material: “B†babbitt, “C†enamel, “D†nitriding steel, “F†fluoroplastic, “G†ceramic, “H†Cr13 stainless steel†target=_blank >Stainless steel, "J" lining rubber, "N" nylon plastic, "P" boronized steel, "Q" lining lead, "R" Mo2Ti stainless steel" target=_blank>stainless steel, "X" rubber (rubber is also divided into :1 natural rubber X1, 2 hapalon X2, 3 ethylene propylene rubber X3, 4 neoprene X4, 5 nitrile rubber X5, 6 wear-resistant rubber X6, 7 fluoro rubber X7, 8 heat-resistant ethylene propylene rubber X8), “Y†hard alloy steel and “W†represent direct processing from the valve body material.
(6), pneumatic butterfly valve nominal pressure code: expressed as 10 times the nominal pressure value; for the power plant industry, when the medium temperature > 425 ° C, marked the working pressure.
(7) Valve body material code of pneumatic butterfly valve: “C†cast steel, L†aluminum alloy, “P†18-8 series stainless steel†target=_blank>stainless steel, “Q†ductile iron, “R†Mo2Ti stainless steel†target =_blank>Stainless steel, "S" plastic, "Z" grey cast iron.
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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