Jiangsu Chengxun Pump Valve Manufacturing Co., Ltd
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FZB fluorine self-priming pump
FZB fluorine self-priming pump
Product details

The FZB series fluoroplastic self-priming pump is designed and manufactured according to * * * standards and combined with non-metallic pump technology. Its characteristics are:

The FZB pump body adopts a metal shell lined with fluoroplastic, and the overcurrent part is made of fluoroplastic alloy. The pump cover, impeller, etc. are all made of metal inserts wrapped in fluoroplastic and sintered as a whole. The shaft seal adopts an external corrugated pipe mechanical seal. The static ring is made of 99.9% alumina ceramic (or silicon nitride), and the dynamic ring is filled with PTFE filling material, which has excellent corrosion and wear resistance sealing performance.

The prominent feature of the FZB series self-priming pump is its self-priming function, which can pump liquids below the installation position of the pump, with stable performance and simple operation. It only needs to be filled with liquid before the pump is used * * times, and does not need to be filled with liquid after the second and subsequent uses. It can be turned on directly. The self-priming height can be determined within 2 to 4 meters according to the medium density, making it the best choice and ideal equipment to replace submersible pumps.

The FZB self-priming pump adopts the current external PTFE corrugated tube mechanical seal, which has multiple layers of protection and extends the service life of the mechanical seal. When conveying media containing impurity particles, it can be equipped with a single end hard to hard (silicon carbide to silicon carbide) mechanical seal without cooling water. Therefore, when selecting the type, users need to consider the solid content in the medium and choose according to their actual working conditions.

The inlet and outlet of FZB pump are all reinforced with cast steel bodies to enhance the pressure resistance of the pump. Practical use has shown that FZB self-priming pumps have the advantages of wear resistance, corrosion resistance, high temperature resistance, non aging, stable operation, high mechanical strength, reasonable structure, strict and reliable sealing performance, easy disassembly and maintenance, and long service life.

FZB corrosion-resistant fluoroplastic alloy self-priming pump

FZB fluoroplastic self-priming pump model meaning:
For example: 50FZB-30L
50 represents the diameter of the suction port (mm)
F represents that the material of the overcurrent component is fluoroplastic
Z represents having self-priming function
B represents single-stage single suction cantilever centrifugal pump
30 represents the design head (m)
L represents long bracket connection

Performance parameter table of FZB corrosion-resistant fluoroplastic alloy self-priming pump

Specification and model Flow rate m3/h Head m caliber Equipped with motor KW Speed r/min Allowable suction height m Efficiency%
Inhalation mm Spit out mm
25FZB-18 1.5 18 25 20 2.2 2900 6 29
40FZB-25 8 25 40 32 2.2 2900 8 52
40FZB-30 8 30 40 32 3 2900 8 49
50FZB-25 12 25 50 40 3 2900 8 50
50FZB-30 12 30 50 40 4 2900 8 49
65FZB-25 25 25 65 50 5.5 2900 5.5 58
65FZB-30 25 30 65 50 7.5 2900 5.5 56.8
80FZB-25 50 25 80 65 7.5 2900 5.5 60
80FZB-30 50 30 80 65 7.5 2900 5.5 59.9
100FZB-25 100 25 100 80 11 2900 4 65
100FZB-30 100 30 100 80 15 2900 4 67
100FZB-40 100 40 100 80 18.5 2900 4 72


Installation size


series model Appearance and installation dimensions Imported flange size Export flange size
L S P f W T H h x k i j m n-d e g n 4-t
Short bracket 32FZB-15 450 100 160 80 180 140 230 90 55 10 32 90 120 4-11 32 90 120 4-11
40FZB-20 590 310 160 110 220 170 305 140 65 12 40 100 130 4-13 40 100 130 4-13
40FZB-30 590 310 160 110 220 170 305 140 80 12 40 100 130 4-13 40 100 130 4-13
50FZB-20 590 310 160 110 220 170 305 140 65 12 50 100 130 4-13 50 100 130 4-13
50FZB-30 590 310 160 110 220 170 305 140 80 12 50 100 130 4-13 50 100 130 4-13





series Model Appearance and installation dimensions Imported flange size Export flange size
L S P f W T H h x k i j m n-d e g n n-t
long stent 65FZB-20L 1100 600 250 180 390 350 440 212 80 20 65 145 185 4-18 50 125 165 4-18
65FZB-30L 1200 660 300 200 450 400 480 232 100 24 65 145 185 4-18 50 125 165 4-48
80FZB-20L 1200 660 300 200 450 400 480 232 100 24 80 160 200 8-18 65 145 185 4-18
80FZB-30L 1240 740 330 210 500 450 520 260 110 24 80 160 200 8-18 65 145 185 4-18


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