American standard weir type fluorine-lined diaphragm valve

Design and manufacturing: BS5156
Structure length: BS5156
Flange connection size: ANSI B16.1


AG41F (unlined), AG41Fs (fluoroplastics lined) weir diaphragm valves are specially used to control non-corrosive or strongly corrosive media. The inner cavity surface of the valve is unlined or covered with various fluoroplastics to choose from, suitable for different jobs Temperature and liquid lines
Applicable temperature: ≤85℃, ≤100℃, ≤120℃≤150℃ (according to lining and diaphragm material)


Valve body: cast iron, ductile iron, carbon steel, stainless steel
Valve cover: cast iron, ductile iron, carbon steel, stainless steel
Lining: no lining, fluoroplastic
Diaphragm: Fluoroplastic
Valve disc: cast iron, carbon steel
Stem: carbon steel, stainless steel
Handwheel: cast iron

Pressure rating: PN (MPa) 0.6 1.0 1.6


Lining layer: electric spark detection
Test and inspection according to GB/T13927 standard
Nominal pressure: PN (MPa)
Valve body: PN×1.5
Sealing: PN×1.1

Parts list:

1. Valve body 2. Valve body lining 3. Diaphragm 4. Disc 5. Valve stem 6. Valve cover 7. Handwheel

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