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| Production: | 2" Diaphragm Pump | Maximum Outlet Pressure: | 0.83mpa |
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| Feature: | Non Leakage | Application: | Chemical Industry |
| Power: | Pneumatic | Pressure: | Low Pressure |
| Fuel: | Air Operated | Max Pressure: | 8.6bar |
| High Light: | SS Double Diaphragm Pump,2" Double Diaphragm Pump,Pneumatic Air Pump |
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2" Air Stainless Steel Double Diaphragm Pump Pneumatic Air Pump For Chemical Engineering Industry
Rubber Vacuum Pneumatic 2" Diaphragm Pump Air Operated No Leakage
Double Acting Diaphragm Pump Introduction
Air diaphragm pump(also know as a Membrane pump, air operated double diaphragm pump(AOOD) or pneumatic diaphragm pump)that uses a combination of the reciprocating action of a rubber,thermoplastic or diaphragm and suitable valves either side of the diaphragm (check valve,butterfly valves,flap valves,or any other form of shut-off valves) to pump a fluid.
The diaphragm pump offers high volume delivery even at low air pressure and a b road range of material compatibility options available.Refer to the model and option chart.The pump is provided with the modularized air motor and fluid section.
The air operated diaphragm pump alternately generates the intake fluid pressure and positive fluid pressure in the fluid chamber by using the pressure difference in the air chamber. The ball valve can ensure the forward flow of fluid.
Pump cycling will begin as air pressure is applied and it will continue to pump and keep up with the demand. It will build and maintain line pres -sure and will stop cycling once maximum line pressure is reached (dis -pensing device closed) and will resume pumping as needed.
Double Acting Diaphragm Pump parameters
| Item | Description | Unit | Reference Figure |
| 1 | Maximum air inlet pressure | Mpa | 0.83 |
| 2 | Maximum flow rate | L/Min | 903 |
| 3 | Maximum lift | M | 70 |
| 4 | Maximum outlet pressure | Mpa | 0.83 |
| 5 | Maximum particle size | mm | 9 |
| 6 | Weight | kg | 103 |
| 7 | Noise level | db | ＜70 |
Double Acting Diaphragm Pump Specifications
Air Diaphragm Pump
1. Non leakage
2. Good self priming performance
3. Convey all kinds of medium
4. Material:Cast steel,Alu,SS,PP
A 50 X X - X X X - X (model selection)
Form of pipe mouth:A-BSP B-NPT(F) C-Flange
Diaphragm material:9 – Santoprene H – Hytrel T - PTFE/Santoprene
Ball material:9 -Santoprene H – Hytre T – PTFE A - Acetal
Ball seat material:P/K –Polypropylene/Kynoar SS –Stainless Steel
Pump material: SS –Stainless Steel AL –Aluminum Alloy CI- Carbon Steel P/K –Polypropylene/Kynoar
Maximum Applied Temperature Limits (diaphragm / ball / seal material)
Acetal ··············································· 40°- 150°F (4.4- 65.5°C)
Santoprene··········································-40°- 225°F (-40°- 107.2°C) ················································ ·40°- 220°F (4.4°- 104°C) Nitrile·················································10°- 180°F (-12°- 82°C) Viton···················································-40°- 350°F (-40°-176.6°C) Hytrel··················································-20°-150°F (-12°- 93°C) Kynar···················································10°-200°F (-28.9°- 65.5°C) Polypropylene·········································32°- 175°F (0-79.4°C)
Double Acting Diaphragm Pump Application
1, Poisonous, combustible and volatilizable liquids.
2, Strong acid, strong alkali liquids with corrosion
3, Tanker truck, bilk plant, load and unload of oil products
4, Pickle, fruit pulp, mashed potatoes, chocolates, etc
5, Paint, rubber, pigment and adhesives
6, Various ceramic pulp, grouting, mortar and slurry
7, Various latex, organic solvents, stuffing
8, Stripping of oil carrier (pump dirty water and residual oil)
9, Common hop, thin paste of yeast power, syrup and molasses
10, Special liquid
2" Flow diagram
General Description
Requirements for Air and Lubrication
EXCESSIVE AIR PRESSURE. Can cause pump damage, personal injury or property damage.
OPERATING INSTRUCTIONS
Maintenance
FLUID SECTION DISASSEMBLY
NOTE: Only diaphragm models use a primary diaphragm(6A) and a backup diaphragm(6). Refer to the aux iliary view in the Fluid Section illustration.
FLUID SECTION REASSEMBLY
Installation dimensions:
Disassembly of the Parts in Fluid Section
a) First, take the pump out of the pipeline system and drain the materials in the pump.
b) Place the pump in a clean working environment.
c) Remove the water outlet pipe (1) from the pump, and then take out the balls (2), O cups (3) and (47) and ball sockets (4) from the upper end of the liquid cap (5) in turn. Then, place the pump upside down and remove the water inlet pipe (11) to take out the O-ring cups (3) and (47), ball seats (4) and ball seats (2) from the liquid cap (5). d) Loosen the bolts around the two liquid covers and remove the liquid cover (5). e) Loosen the diaphragm screws (10) and remove the diaphragm washers (7), (8) and the diaphragm (6) from both ends. The lip seal (25) can be replaced by removing the diaphragm rod (23). f) Loosen the bolt (39) first, and then remove the air valve housing (38), wind deflector (42), sealing gasket (40) and (41). g) Take out the valve sheet (36) and valve plate (37) from the air valve sleeve (38). h) Remove the clamp (29), take out the limit end cover (31) from both ends of the air valve sleeve (38), and replace the cup (30) as required. i) After pushing the valve element (35) out of the air valve sleeve (38) by hand, the lip packing (33) can be checked.
j) First loosen the 4 bolts (16) that fix the cylinder head, then remove the cylinder heads (14) and (18) at both ends, and remove the O-ring cover (17). k) Remove the sealing gasket (19) from the groove of the motor housing (15). l) Eject the guide rod (22) and trigger rod (45) from the motor housing (15), and replace the lip packing (20) on the trigger rod or the O-ring (44) on the guide rod. Since the assembly steps and disassembly steps of the diaphragm pump are incompatible, please pay attention to the following points during the assembly process: 1) All sealing elements and their contact parts must be coated with lubricating oil.
2) Before use, please carefully check all sealing elements for damage, such as surface damage. If it is damaged, replace it with a new one. 3) The lip direction of lip type packing (20) (, 25), (33) shall be consistent with the direction shown in the figure. 4) The bolts on the liquid cover shall be tightened diagonally to achieve better sealing effect.
Troubleshooting 1. Some liquid is discharged from the exhaust port with the airflow. Check the diaphragm for damage. Check the diaphragm screws for looseness 2. Check whether the suction pipe connection is well sealed. Check whether the connection between the suction pipe and the intake manifold is well sealed. Check the O-ring between the intake manifold and the liquid cap. Check whether the diaphragm screws are loose. Check whether the air supply is stable when the pump output is low. Check whether the inlet/outlet is blocked. Check the air tightness of the intake manifold connection connector. The check ball is not stuck on the valve seat or the ball is not fixed correctly. 4. When there is no reciprocating movement, air is discharged from the exhaust port. Check the seal ring (33) on the spool (35). Check the seal ring (20) on the trigger lever (45). Check the seal ring (25) on the diaphragm connecting rod
Contact Person: Mr. ALLSON
Tel: 008618122100289
