BSK stainless steel pneumatic diaphragm pumps are high-performance fluid transfer solutions engineered for robust, safe operation in handling corrosive, high-viscosity, and hazardous media. Versatile in design with premium wetted parts, they deliver consistent, trouble-free performance for critical chemical, oil & gas, and lithium battery applications.
|
Pump Model
|
BP15SS
|
BA25SS
|
BA40SS
|
BA50SS
|
BA80SS
|
|---|---|---|---|---|---|
|
Process Connection
|
1/2″
|
1″
|
1 1/2″
|
2″
|
3″
|
|
Allowable Air Pressure
|
0.15–0.69 MPa
|
0.1–0.83 MPa
|
0.1–0.83 MPa
|
0.1–0.83 MPa
|
0.1–0.83 MPa
|
|
Max. Flow Rate (lpm)
|
45.3
|
192
|
378.5
|
667
|
903
|
|
Displacement per Cycle (L)
|
0.14
|
0.87
|
2.83
|
3.78
|
7.67
|
|
Max. Discharge Head (m)
|
70
|
60
|
80
|
80
|
80
|
|
Max. Dry Suction Lift (m)
|
4.1
|
6.7
|
6.7
|
6.2
|
5.3
|
|
Max. Solid Passage (mm)
|
2.5
|
3
|
6
|
7
|
9
|
|
Weight (kg)
|
5.5
|
14.5
|
30
|
53
|
95
|

 

|
Diaphragm Material
|
Service Life
|
Wear Resistance
|
Chemical Compatibility
|
Thermal Stability
|
Min. Temp
|
Max. Temp
|
|---|---|---|---|---|---|---|
|
PTFE
|
+
|
+
|
+
|
+
|
4.4℃
|
104℃
|
|
Santoprene
|
+
|
+
|
√
|
√
|
-40℃
|
107.2℃
|
|
Hytrel
|
+
|
+
|
√
|
√
|
0℃
|
79.4℃
|
|
Viton
|
X
|
!
|
+
|
+
|
-40℃
|
176.6℃
|
|
Nitrile (NBR)
|
+
|
√
|
!
|
!
|
-12℃
|
82℃
|