Pneumatic valve type and classification

Pneumatic valve is refers to the transmission way of pneumatic valves, valve drive way, code-named 6, common including pneumatic butterfly valve, pneumatic valve, pneumatic ball valve, pneumatic valve, pneumatic diaphragm valve, pneumatic control valve, etc. Common pneumatic butterfly valve type: D621X, D641H, D641X, D641F, D642F, D643H, BD643H, BD643Y, BD643WC, D663H, D671F4, D671X, D671H, D672F, D673H, etc. Common types are: pneumatic ball valve Q641F, Q641H, Q641Y, Q644F, Q645F, Q647F, QD647F, VQ647H, Q66, PQ640H, PQ640Y, PY640F, PQ671H, etc. Common pneumatic gate valve type: Z641W, Z641Y, Z641F, PZ641H, PZ673H, PZ673Y, PZ673F, Z673H, etc. Common pneumatic cut-off valve models are: J614F, J641H, J661Y, DJ641Y, etc. Common pneumatic diaphragm valve types are: G41JW, G6B41F, G6B41J, G6B41W, G6K41F, G6K41W, G6K41J, etc. Common pneumatic - valve models are: T6S47Y, T6B68Y, T6B67H, T6S67Y, T6S69Y, T6K47Y, etc. Other pneumatic valve models are: Y615W, Y645H, Y6K42, Y665H, Y6K42Y, Y6S42, etc. Pneumatic valves are commonly used design and manufacturing standards: gb, American standard, European standard, Japanese standard, German standard, etc. Pneumatic valve commonly used material: cast iron, ductile iron, carbon steel, stainless steel, aluminum alloy, etc. Pneumatic valve nominal diameter: DN25, DN32, DN40, (, DN65, DN80, DN100, DN125, 6, DN200, DN250, 12, DN350, DN400, DN450, DN500, DN600, DN700, DN800, DN900, DN1000, 48 '), etc. Pneumatic valve nominal pressure generally have: PN0. 6 mpa, PN1。 0 mpa, PN1。 6MPa、PN2. 5MPa、PN4. 0MPa、PN6. 4MPa、PN10. 0MPa、PN16. 0 mpa, etc.