Single-stage Marine Fire Fighting Pumps Unit

Single-stage Marine Fire Fighting Pumps Unit System 1

Single-stage Marine Fire Fighting Pumps Unit

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 1000 unit/month

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Application

Apply as the transportation of liquids in the fields of air condition, heating, sanitary water, water treatment cooling, refrigerating system, liquid circulation, water supply, pressure boosting,sea water delivery and irrigation etc.

Working Conditions

Rotating speed: 3600r/min, 1800r/min, 2960r/min, 1480r/min

Medium: clean water or other liquids similar to clean water in physical and chemical properties

Medium temperature: -10 ~ 80°C,400°C available under special design

Ambient temperature: Up to 40°C

Range of capacity:1.8~2000m3/h

Range of head: up to230m

Maximum working pressure: suction pressure+head of pump≤25 bar

Pump Construction

Casing/impeller:cast iron,stainless steel,copper,bronze

Shaft:carbon steel 45#,stainless steel

Mechnical seal:graphite/silicon carbide/tungsten carbide

Structure Description

Compact structure, most application for modern constructions.

1.Pump casing: the spiral casing with pipe connection is designed and manufactured by the most superior bydraulic model nowadays, with inlet and outlet the same diameter. Flanges conform to GB4216.5, and are equipped with Rp1/4 or Rp 3/8 pressure testing plug.

2.Impeller: closed impeller ,no limit to rotation direction under the water temperature below 80°C and 120°C.

3.Special design of dynamic seal ring ensure well seal and reliable operation..

Motor

TEFC air-cooled squirrel cage, 3 phase asynchronous motor.

Voltage: 220V,380V,400V,415V,440V,660V(other voltage ,pls inform before order)

Frequency: 50Hz,60Hz

Insulation : IP44/IP54/IP55

Protection class: B/F

Insulation modes: B35

Q:What is the difference between a sewage pump and a clean water pump? Why can't sewage be pumped with clean water?: In short, the main difference between clean water pump and sewage pump: impeller and runner design, as well as other parts of the configuration are very different.1., in order to prevent clogging of sewage pump, the main design of large flow channel, so naturally lead to relatively low efficiency, so the head is generally not high. Clear water pump flow smaller, smaller clearance, the head is relatively high.2. in order to prevent the wound, water pump impeller design is more simple but not ring pump, equipped with tips, cloth and other debris can be crushed after the pump, and the impeller water pump is relatively complex, but the efficiency will be significantly higher than the former.3., in order to prevent wear and corrosion, sewage pumps generally use better wear resistance, corrosion resistance, mechanical seal and O ring as the seal of water pumps, and clean water pump without strict consideration.To sum up, we can get a very good understanding of why not water pump sewage problems -- characteristics of channel and the impeller and other key design, resulting in water pump for sewage situation is likely to occur, blocking, winding, wear and corrosion occurs, resulting in damage to pump or scrapped, so water pump can not be used sewage.

Q:What is the function of boiler feed pump, condensate pump, vacuum pump and low drain pump in operation?: The feed pump is a pump for supplying water to the boiler and maintaining the water level of the boiler. The condensate pump provides water to the deaerator after condensing the turbine and provides water for some condensate users. Vacuum pump is to maintain the vacuum of the pump, the pump is to lower the drain in a timely manner to the next level of low pump

Q:the outboard runs fine and pumps water out with muffs on but when i put it in the water it doesn't pump any water at all. could it be that the impeller needs replacing? what do you think?thanks: No question about it. Replace the impeller. It's easy - the hard part is getting the fasteners off without breaking a stud. Be patient and use liquid wrench and give it an hour or more to work. Tap the nuts and then try them. A final resort would be careful (very careful) use of a propane torch to free the nuts. If not replaced, eventually blades will break off the impeller and foul the cooling system.... which can be a very expensive and difficult repair.....overheating is also very bad for the engine.... so fix the water pump.

Q:OK i was driving and i noticed the gas pedal wouldn't really work and people were telling me to move so right away i moved to the side of the road and got my car towed home. a couple details are that there was smoke coming out of the hood, don't know what part of the engine though.there was not much water in the water pump. my dad thinks that the problem was it was leaking the water.the car turns on ac works it just shakes when it turn on the motor no condition to drive it obviously but it does take a little time to start the engine. i want to know if anyone knows what may be the problem and about how much it may cost.ohh btw this car model is a 1999 Chrysler Sebring Convertible 2 door.thank you!: 1] ..i noticed the gas pedal wouldn't really work.. - This sounds to me you gave it gas, but the car was seizing up by excessive heat, because of no cooling!!. You might have fuck2ed up the engine, or the heads. DO NOT CRANK THE ENGINE, DO NOT MOVE it until you are sure there IS COOLANT, there is good oil and nothing is or looks bad. 2] ..there was not much water in the water pump. - It looks to me you would not notice the difference between a Water Pump and a piano, if you saw one. You cannot SEE the water inside the Water Pump. You probably meant RADIATOR. Fill it up with COOLANT, not just water. Coolant elevates the Temp and allows for a better engine performance. 3] Inspect for broken HOSES. There are two one at the bottom of the radiator, and one at the top of it. Inspect that there is coolant in the RESSERVOIRE bottle too. 4] When you are sure there is COOLANT, OIL and there are no broken HOSES,crank the engine and find out if THERE IS A LEAK. You will probably find one. 5] Check that the engine's BELTS are all intact and working. You could have a broken belt and - in that case - there would not be alternator, water pump, etc... If you don't find any, it means you drove WITHOUT COOLANT, and it that regard, you are irresponsible and should not be driving a car, but riding a donkey. Seriously. If you damaged the engine, it could cost you about $2000.00 to replace the heads, that if it is still possible to repair them and keep the car running. Otherwise, bye bye... Luck.

Q:I need a water pump gasket for my mustang water pump.What can I use if I have no gasket material?: Water Pump Gasket

Q:I got a water pump replaced a few month back, ( i own a 95 Honda civic) i have a wierd muffled rattle coming from that part of my car, i was told by a mechanic that it sounds like a bearing is dried out, he says that it wont affect the water pump itself but the ratlle will remain ... is this true . . .: A bearing is designed to move freely, if it becomes dry there is a very good chance that it will cause it to fail. If i was you i would get it changed as soon as possible because you don`t won`t to be broken down.

Q:Water pump maintenance what should be maintained?: 1 by sound to determine whether the bearing is good. If the sound is abnormal, replace the bearing.2, check whether the impeller is worn, if worn, will affect the flow, lift, efficiency, need to be replaced.3, check whether the mechanical seal can continue to use, can not be used, need to be replaced4, check the oil tank is missing oil, such as lack of oil to the appropriate location.

Q:I replaced the water pump on my 2001 dodge dakota and I still have a leak coming from somewhere. I don't know if i put the bolts in the wrong holes or what. Some bolts were long and some were short. Is there a diagram that shows where which bolts go where?: There are 4 long bolts that go all the way through the pump and and timing cover into the engine block. The rest are shorter but all the same length which seal the pump to the timing cover. You cannot put them in the wrong holes. The 4 long bolts do screw into water passages though. What has probably happened is you neglected to put sealant on the threads of the 4 long bolts that go into the coolant passages. If you put those 4 bolts in without sealant the coolant can weep right past the threads even if the bolts are tight and leak. Remove just those bolts 1 at a time and coat the threads with RTV or gasket sealing compound and re-install them then pressure check the system. Best of Luck!

Q:The truck is a 1982 Ford pickup F100. We didn't realize it was an F100 at the time and we put the F150 water pump on it. The water pump fits perfectly, but is this going to mess up the engine at all?: No, okorder . And you need to enter the same engine, in your search, on Rock Auto. The parts come up in a list, and you can then compare part numbers....they are probably the same.

Q:Our mechanic wants to replace my husband's water pump in his 1996 Saturn saying it is quite loose. We'd like to wait until next week since its a 2 day job and with our schedules it would be difficult. Can it wait for a couple of weeks? Could this leave him stranded?: A leaking water pump could be caused by a bad gasket so it does not have to be changed. Changing a gasket is cheaper. If the leak is due to a crack or a pinhole, then by all means have it changed otherwise you risk a crack of the cylinder head caused by overheating which can cost your thousands. You can get a reconditioned or 2nd hand water pump and can save you money. Just ask your Napa store. Typically, second hands are 20% cheaper and can last for years. Good luck.

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