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We, Changsha PDM Machinery (Group) Co., Ltd, established in 1982 year, 1992 year, 199 year and 2002 year, with own 4 factories, one for oil pump manufacture, one for split case pump manufacture, one for turbine pump, boiler &multistage pumps manufacture, one for other types of pump manufacturer. We own our cast factory.
1. Specialist of diesel engine set modification and maintenance.
2. We are the largest centrifugal pump manufacturer in China
3. We have been devoting in energy saving
4. Supplying for the the complete solutions of turn-key project system EPC
5. In the leading of diesel generator set, electric or air start diesel set and diesel pump set in oil and gas fields.
Diesel set can be used in making electricity, drive pump, ship, tank, etc. Cummins diesel drives split case pump,
Pump material: Cast iron, cast steel, 304ss, 316ss, 316L, duplex stainless steel
Pump can be split case pump, multistage pump, turbine pump(long shaft deep well pump), fire fighting pump, oil pump, IS, IH chemical pump, end suction pump, pipe pump, self primming pump, etc.
Pump speed: 1450rpm, 2900rpm, etc.
Fluid: Water, oil, etc.
Diesel: Cummins, CAT, Chinese brand diesel, etc.
For more products information, you can check our home page: Www. Pdmmachinery. COM or email to us.
Split case fire fighting pump
pump outlet diameter: 80-200mm
Capacity: 20~200L/S
Head: 0.2~2.5Mpa
Suction depth: 3.0m
Split case fire fighting pump is in full compliance with NFPA standards.
1.1 Shut off head is less than 1.4 times of the designed head.
1.2 When the capacity is 1.5 times of designed capacity, the head will be higher than 65% of the designed head.
1.3 Each pump will be made the hydraulic test before delivery in the case of the test pressure is for 1.5 times of inlet pressure plus working pressure.
1.4 Maximum test pressure can be achieved 5Mpa to meet some specific applications.
1.5 Being the structure of single stage double suction, it is easy to maintenance and assembly with lower maintenance cost.
1.6 Pump head can be up to 280m to adapt to most of fighting applications.
Technical advantage
With short supporting distance in the both ends of the pump, the pump, the pump is running smooth, low vibration and noise.
Excellent hydraulic model, high efficiency, high efficiency zone width, cavitation performance
With inlet and outlet along the same line, pipeline layout is simple, convenient and beautiful
Pump body can be installed either horizontal or vertical according to user's site conditions.
Deep absorption can reduce the land space investment and extend the life time of pump.
No need to disassebly the the import and export pipeline, easy maintenance, low cost.
We are the largest richest boiler, mine pump, multistage, split case pump, chemical and fire fighting, turbine diesel pump set manufacturer in China.
The diesel pump set is very stable and famous made in our company, the power can be up to more than 1000 KW by Cummins, cat diesel drive.
The pump can be made for API610, NFPA standard.
| Material | ASTM | DIN | GB |
| Pump case | A48class 35 | GG-25 | HT250 |
| A536 class 60418 | GGG-40 | QT400-18 | |
| Shaft | SAE 1045 | C45N | 45 |
| AISI 420 | 1.4021 | 2Cr13 | |
| Impeller | B584-90500 | G-CuSn10Zn | ZCuSn10Zn2 |
| A743 CA6NM | 1.4313.95 | ZG06Cr13Ni4Mo | |
| A743 CF8M | 1.4408 | ZG0Cr18Ni12Mo2Ti | |
| Shaft sleeve | AISI 420 | 1.4021 | 2Cr13 |
| Seal ring | A743 CA6NM | 1.4313.95 | ZG06Cr13Ni4Mo |
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