Boiler Feed Pump MD

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Boiler Feed Pump Brief

This pump is horizontal sectional multistage centrifugal pump,due to high pressure and big flow ,widely application for boiler feed industrial,mining,water supply for high bulding,water circulation system,oil field ,etc

Because of different design,it can be divided into five type pumps:

1.D series pump:the medium temperature is not exceed 80°C, applicate to supply and discharge water for high buildings, resident,mine,fire fighting, pressure boosting and refrigeration water circulation for air conditioning, etc.

2.DG series boiler water feed pump:medium temperature is not exceed 160°C, applicate to transport hot water, such as water feed to bolier, municipal and industrial heating system.

3.DY multi-stage centrifugal oil pump: transport oil and oil product without solid at temp range -20—105°C, viscosity is less than 120.C.S.T

4.DF series stainless steel anti-corrosive multi-stage centrifugal pump: transport corrosive liquids without solid at -20—105 °C

5.DM series wearable mining multi-stage centrifugal pump: applicate to transport mining water with particles <1.5%,size<1mm, -20--105°C..

Boiler Feed Pump Parameter range:

Rated flowrate: 6-1000m3/h

Rated head: 40-2000m

Rotate speed: 3500r/min,2900r/min, 1750r/min,1450r/min

Cycle:50Hz/60Hz

Bearing Specification

Pump Model	D6-25	D12-25	D25-30	D25-50	D46-30	D46-50	D85-45	D85-67	D155-30	D155-67	D280-65	D450-60
Bearing specification	N306	N306	N307	N308	N307	N308	N309	N312	N312	N313	N320	N320
Bearing qty	2	2	2	2	2	2	2	2	2	2	2	2

Pump Model

D6-25

D12-25

D25-30

D25-50

D46-30

D46-50

D85-45

D85-67

D155-30

D155-67

D280-65

D450-60

Bearing specification

N306

N307

N308

N307

N308

N309

N312

N313

N320

Bearing qty

Boiler Feed Pump Structure Introduce

1.This series multi-stage pump have two bearings on begin and end shaft, flexible pin coupling coupled between pump and motor,.the rotating direction seen from the motor is clockwise

2.Horizontal suction and vertical discharge,but the DG pump are both vertical.Multi-stage pump 3.The bearing is lubricated by butter.

4.Shaft seal:Gland packing seal /mechnical seal

Q: Pump flow 6M3/H is an hour, how many tons of water?: Flow 6M3/H, that is, an hour can smoke 6 tons of water. But according to the power, head and flow calculated by formula, the water pump efficiency is 98%, can it be achieved?

Q: What are the quota items for the complete pump installation?: Pump installation / anchor bolt installation anchor bolt hole, fill oar vibration cushion installation

Q: The flow of the pump will be reduced, the speed will change, the power of the motor will change?: 1, this pump flow reduction is not the reason for speed. Because it is not matching the motor frequency conversion, the frequency of power supply unchanged, the motor speed will not change.2, the flow of water pump down, the reason may be that the impeller due to cavitation or wear and tear smaller, second, the gap between the impeller housing change, and the impeller plug foreign bodies, and some of the suction port leak.3, it is possible that the whole system resistance increases, so that the work point of the pump left.

Q: Is the water lamp in the basement water pump fluorescent or waterproof?: Not ordinary fluorescent lamp, it is waterproof and explosion-proof fluorescent lamp. And the PE protection line must be added

Q: We lost power during the hurricane, we have well water. the power went out and we lost water also, what are the procedures to bleed and restart a goulds pumps c48a93a06 water pump?: 1. you are going to need at least a couple gallons of water in a bucket to re-prime. 2. look for a plug at the top of the pump and remove it. 3. pour water into the plug opening, filling up the pump as much as you can. 4. put plug back in so at least one thread is grabbing. by doing this it will allow air to escape and won't be spraying water everywhere. it is also a good idea to keep your hand on the plug. 5. turn on electricity to pump. 6. when you start to notice pressure re-gaining tighten up the plug so it does not drip. It is also a good idea to have an outside tap on to get air out of the lines. Another thing is, it is a good idea to shut off water to toilets and washing machines before re-starting pump because small debris have a habit of clogging them up. When your pressure is back, drain your toilet and cold water line to your washing machine, flushing all the stuff out until you see nice clear water. Hope I helped and good luck.

Q: I Need a water pump, no matter its fountain pump or high stream pump. But the things or you can say the parameters i required in that pump is, 2 inch minimum outlet from where the water come out, pressure 130 or above (in PSI) runs wid a 1 or 2 Horse Powered motor not more then 2HP. And the pressure calculation is flow of the water (130 Psi) , like while water is streaming out.Any one who can sugest some water pumps which can fulfill or near or above to my requirements. thanks alot sir for you kind time.: there okorder

Q: Sewage treatment plant design how many pumps should be selected, head how to calculate the maximum design flow is 833M3/h: Pump selection to consider the flow, lift, diameter and power, but also with reference to the actual workload, the design quantity is 1666, how much can actually achieve? Head to refer to pipe length, height difference, elbow number, such as flow in more than 800 of the pump, lift at 35 meters, can generally meet about 200 of the pipeline work needs.

Q: the question i have is can the pump be turning and not leaking but not pump water??? i know the olden days (the good ole days) as long as the impeller was turning it would pump water! leaking seal is when it went bad,or locked up..like a box fan blade as long as it is turning its moving air...: I would first check to see if there is any circulation in the radiator, with motor cold and the radiator cap off start the engine and wait about 10 min watching the radiator opening there should be some circulation if not then you probably have a bad water pump or a stuck thermostat that is stuck closed

Q: Hi. This car is 66 chevy but the motor is a 1984 chevy 350 4bolt main stroked to 383. I think its an '84, might be an '85. I need to replace fan clutch and water pump.... the fan clutch is bad but manufacturer of the replacement parts says you must do water pump and fan clutch together. Is the pump a 66 chevy pump or a 350 small block pump? What about the fan clutch? Ok, and please help with motor mounts. do I use mounts specific for 66 model or specific to the motor?: It's a Gen 1 small block V8. There are only two types of small block water pumps, long shaft and short shaft. Short shaft pumps were used on pre 1968 motors. The long pump measures 7 1/4 from the mounting surface to the outside of the clutch mounting flange, the short pump measures 5 5/8. The mounts should be for a small block in the same body type you are using it in. Back in the 50's there was a different mounting system that bolted to the front of the block, but everything since then is compatible. By the way, if the motor is in a 1966 body with the standard radiator, use the short water pump, iron or aluminum makes no difference except in cost.

Q: Hello, I have a 1996 Cavalier and it's got a small coolant leak by the water pump so I figured I'd replace it. I called around a little bit and one quote was $250. I'm sord of handy and have a few hours on Saturday is it that hard? I heard it's just a few bolts? Thanks!!: The water pump on that vehicle is a ob-centric style that you rotate to create belt tension. This is a bit tricky and some people have broken the pump trying to tighten the belt so be careful. Look at the replacement pump carefully before you attempt to change it, this will give you clues as to how it works.

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