Product Description:
Ultra Long Diaphragm Life
GRACO pneumatic diaphragm pumps boast exceptional diaphragm performance, featuring a service life that is 1/3-1/2 longer than similar products from other manufacturers. Certain diaphragm models even offer a service life exceeding 30 million cycles, significantly reducing the frequency of equipment maintenance and cutting down on operational costs.
Strong Self-Priming Ability
These pumps exhibit outstanding self-priming capabilities, with a large suction range of up to 7 meters without the need for additional water injection or diversion operations. They can initiate operations swiftly and draw liquids into the pump chamber for delivery promptly, making them particularly suitable for scenarios requiring frequent starting and stopping, effectively enhancing work efficiency.
Reliable Corrosion Resistance
Various material options are available for components in contact with liquids, including 316L stainless steel, aluminum alloy, polypropylene, conductive polypropylene, and polyvinylidene fluoride. The aluminum alloy material undergoes anodizing treatment on the surface, with the pressure chamber receiving an epoxy coating post-anodizing. The pump body's central shaft is constructed from stainless steel to ensure high corrosion resistance, enabling stable operation in harsh environments.
Lubrication-Free Air Pressure Chamber
Featuring an oil-free air pressure chamber design, these pumps do not require lubrication when utilizing CDA-driven gas. The air pressure
chamber has a simple structure with minimal parts and low reliance on seals. Maintenance work is reduced as no lubrication additives need to be introduced, thereby preventing potential failures arising from lubrication issues.
Stable Operating Performance
These pumps maintain stable operation in both low and high-pressure environments, as well as in slow and fast operational states, without any jamming issues. Leveraging patented air valves with high wear resistance and a unique three-way pilot valve reversing design, these pumps guarantee exceptional reliability across various applications, achieving a minimal failure rate and ensuring continuous production.
Convenient Maintenance
All components are replaceable without the need to access the liquid chamber, ensuring easy assembly of parts and straightforward machine repairs. The air chamber is positioned above, preventing liquid ingress and facilitating online maintenance, significantly reducing equipment downtime and enhancing operational efficiency.
Technical Parameters:
| Series | Size | Diaphragm Model | Popular Pump Models |
| Nitrile | Santoprene | PTFE | Metal | Plastic |
| Husky 716 | 3/4" | 190148 | 189536 | 108839 | D53211
D53277
D5C211
D4C366
D54211
D5D211
D4D966 | None |
| Husky 1050 | 1" | 24B622 | 24B628 | 24B627 | 647666
647016
647040
647521
651009
651125
651440 | 649001
649006
649034
649218
649211
649392
649398 |
| Husky 1590 | 1-1/2" | 15B312 | 189426 | 15K312 | DB3311
DC3377
DB3888
DB4311
DC4666
DT4388
DU4911 | DB2311
DB2966
DC5888
DB5A88
DT2311
DU2888
DT5A88 |
| Husky 2150 | 2" | 15B313 | 189296 | 15K313 | DF3311
DG3525
DFC555
DF4311
DFD888
DF6311
DV4911 | DF2311
DG2888
DF29GG
DF5311
DG5A11
DV2311
DV5311 |
| Husky 3300 | 3" | 24K897 | 24K902 | 24K905 | 652002
652046
652021
652081
652036
652804
652812 | 652404
652400
652423
652414
652402 |
GRACO pneumatic diaphragm pumps are available in various specifications and models, featuring diameters ranging from 1/4", 3/8", 1/2", 3/4", 1", 1 1/2", 2", to 3" to cater to diverse flow requirements.
The pumps offer a flow range from 1.1m³/h to 62m³/h, with a maximum working pressure of 120PSI (8.4BAR) and a typical operating pressure between 0.14-0.84Mpa, designed to meet the pressure demands of different working conditions.
Moreover, there are various options available for membrane materials such as Teflon, Santoprene/Neoplast, Buan N, etc., allowing users to create appropriate combinations based on the characteristics of the conveyed medium.
Applications:
Application Fields and Applicable Media
GRACO pneumatic diaphragm pumps are suitable for various industrial fields, including:
- Chemical industry: used for treating corrosive liquids such as acids, bases, solvents, suspended solids, and dispersed systems.
- Petrochemical industry: suitable for crude oil, heavy oil, immature oil, mud, sludge, etc.
- Coatings industry: used for resins, solvents, colorants, paints, etc.
- Daily chemical industry: processing detergent, shampoo, lotion, etc.
- Environmental protection, wastewater treatment, construction, sewage, fine chemicals: suitable for various special occasions, pumping media that cannot be pumped by conventional pumps.
Material and corrosion resistance
GRACO pneumatic diaphragm pumps come in a variety of material options, including engineering plastics, aluminum alloys, cast iron, and stainless steel. According to different liquid media, the pump body adopts different sealing materials, such as rubber, chloroprene rubber, fluororubber, polytetrafluoroethylene, etc., to meet the needs of different users. These materials enable the pump to operate stably for a long time in various corrosive environments.
Packing and Shipping:
Product Name: Pulse Valve Diaphragm
Description: High-quality diaphragm for pulse valves, designed for efficient and reliable operation.
Package Contents: - 1 Pulse Valve Diaphragm - Protective packaging
Shipping Information: - Shipping Method: Standard Shipping - Estimated Delivery Time: 5-7 business days
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GRACO Diaphragm Pump Husky 716 3/4" 190148 189536 108839 Images
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