Of standard of petro-chemical centrifugal pump choose (2)

Centrifugal pump of medium, light load is medium, light load centrifugal pump is the centrifugal pump that points to can total contented and the following requirement: Parameter limits should satisfy at the same time: Rated discharge pressure is less than be equal to 1.

9MPa pump sends temperature (medium temperature) <225 Celsius is rated rotate speed (the ＋ when turbine drive 5% ) be less than be equal to 3000r/min rated lift to be less than be equal to 120m highest and inspiratory pressure is less than be equal to 0.

The diameter of the largest vane wheel of 5MPa cantilever pump is less than be equal to 333mm(1) to carry without explosive danger gender, and / or spend in noxiousness, and / or noxiousness longitudinal medium. (2) uses ISO2858 and ISO5199, 1986, or GB5662 and GB/T5656, or ASMEB73.

1M/B73.

The axial that 2M metric system builds is inspiratory chemical centrifugal pump. Centrifugal pump of medium, light load uses SH/T3140 level commonly, its are in material, design, make and the centrifugal pump of requirement proportion load of the respect such as the experiment wants a few lower, accordingly dependability should be differred relatively a few, of course the price is cheap also a lot of. This kind of pump can satisfy the need of utility of general chemical industry, commonly used do not have explosive danger to be spent in gender, noxiousness or spend medium gently at carrying. The MARK Ⅲ series of American FLOWSERVE company, the 3196 series of ITT/GOULDS company, company of Swiss Su Ershou and Dalian Su Ershou the CZ series of pump and compressor limited company, former company of Japanese common perilla and Jialite weak former pump line of business series of the IFW of limited company, IFS, and the IH series of our country (contain improve series) wait to all belong to this kind of pump. 2.

Centrifugal pump of carry on one's shoulder of burden of heavy load centrifugal pump is to point to the centrifugal pump that accords with condition of the following either: (1) is divided outside having a regulation additionally, it is dangerous to be used at exploding sexual medium and / or noxiousness is exceeding the situation that endangers medium with height. (It is dangerous that 2) is used at having explosion gender, and / or spend in noxiousness, and / or the circumstance that noxiousness spends medium gently, but operation condition exceeds following any limitation: Rated discharge pressure is more than 1.

9MPa operates temperature (medium temperature) > 225 Celsius are rated rotate speed > 3000r/min rated lift > 120m is highest and inspiratory pressure > 0.

The diameter of the largest vane wheel of 5MPa cantilever pump > centrifugal pump of 333mm burden carry on one's shoulder uses SH/T3139 and API610 level commonly. Reliability of heavy load centrifugal pump is very high, ask successive operational cycle is at least 3 years commonly (do not include fragile) . The pump that its involve covered 3 kinds of big pump, namely cantilever type (Overhung) , two end sustain form (BetweenBearings) and vertical suspensory (VerticalSuspended) , if express 1. Among them OH1, OH4, OH5 is appointed when buyer only and mill line of business already proved to be able to be offerred to the ability when this kind of pump is experienced. The) of horizontal pump of SVCN7(only course of American FLOWSERVE company, the horizontal pump of 3700(only course of ITT/GOULDS company) , 3900 (conduit pump) , company of Swiss Su Ershou and Dalian Su Ershou horizontal pump of only course of the ZA of pump and compressor limited company, ZE, ZF, ZU() , ETL (conduit pump) , former company of Japanese common perilla and Jialite weak former pump line of business the) of horizontal pump of UCW(only course of limited company, the horizontal pump of SJA(only course of factory of Shenyang water pump) wait for series to all belong to pump of API cantilever type (OH2 or OH3) , of course its the order in which editions are printed is not the 8th edition completely certainly. 3.

How to choose centrifugal pump level the centrifugal pump of different level, its price and dependability have bigger difference. Divide owner or patent business is special outside appointing the situation that needs to use heavy load centrifugal pump, the others circumstance should choose the level of centrifugal pump according to device characteristic and operating mode condition, accomplish already economy is practical, can satisfy the requirement of device and operating mode again. Watch 2 gave out of standard of petrifaction industry centrifugal pump choose criterion, offer reference. Express standard of centrifugal pump of 2 petrifaction industry choose criterion condition the 1 circumstance that exceeds range of the following parameter: Inspiratory pressure ≤ 0.

5MPa(G) , discharge pressure ≤ 1.

9MPa(G) , ℃ of medium temperature <225, 120m of rated lift ≤ , 3 pump send the circumstance condition that 2 pump send the condition of 333mm of ≤ of diameter of the largest vane wheel of cantilever pump medium of explosive danger sex noxiousness exceeding or the circumstance condition that jeopardizes medium highly 4 not equipment uses pump, and taller to the dependability requirement of pump circumstance condition 5 owner or patent business are special appoint the circumstance criterion that needs to use heavy load centrifugal pump 1. Accord with a condition 1, or condition 2, or condition 3, or condition 4, or condition 5 when, appropriate chooses level of heavy load centrifugal pump, namely " SH/T3139 ＋ API610 " . 2. Divide this, purchase cost to drop device, appropriate chooses level of centrifugal pump of medium, light load, namely " SH/T3140 ＋ ISO5199 " , or " SH/T3140 ＋ GB/T5656 " , or " SH/T3140 ＋ ASMEB73.

1M/B73.

2M " . Note: SH/T3139 and SH/T3140 are the project technology regulation of petrifaction industry, basically cite international standard API610 and OSO5199, combine the characteristic of Chinese petro-chemical industry, not clear to API610 or ISO5199 content, and certain open to question clause complements or appointed a few new regulations. Bibliographical reference 1API610(8th) .

CentrifugalPumpsforPetroleum, heavyChemical, andGasIndustryServices, 19952API(610) .

9th, centrifugalPumpsforPetroleum, heavyChemical, andGasIndustryServices, 20033ISO5199.

TechnicalSpecificationforCentrifugalPumps.

Class Ⅱ , 19864ASMEB73.

1M.

SpecificationforHorizontalEndSuctionCentrifugalPumpsforChemicalProcess, 19915ASMEB73.

2M.

SpecificationforVerticalIn-lineCentrifugalPumpsforChemicalProcess, 19916GB3215.

Refine factory, chemical industry and petro-chemical flow use centrifugal pump current technology condition, 19897GB/T5656.

Only course, sheet sucks condition of technology of chemical centrifugal pump, 19948SH/T3139.

Technology of project of centrifugal pump of petro-chemical heavy load sets, 20049SH/T3140.

Technology of project of centrifugal pump of petro-chemical medium, light load sets, 2004 CNC Milling CNC Machining