Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: bmw318be
  • Content: Threads
  • Order by date
  1. bmw318be

    High Amp of Inverter Duty Motor 15 KW with inverter ATV 610D for CONSTANT TORQUE Plunger Pump

    Hi, I wonder if my setting of Variable speed drive need to be fined tune for Constant torque application. Application: 10 HZ of 15 KW 4 Pole 50 Hz Pump: Plunger triplex at 20 LPM Pressure: 50 Bar achieved by regulating the throttle valve with gate valve VFD; ATV 610D Setting : only set for 25...
  2. bmw318be

    Plunger Triplex Pump- Stiff Shaft cause high current

    Hi, We have triplex pump running for sometime with VFD of 20% of 50 HZ Cat Pump 11 KW 4 Pole motor 400 V Maximum current 415 V is 20.2 Ampere. We see the running current at Discharge Pressure of 51 Bar is 20.6 Ampere and at 0 Bar is 11 Ampere. At 0 Bar to 45 Bar, the motor was running okay...
  3. bmw318be

    maximum Lift of Diesel Pump

    With reference to this similar thread, therr was discussion that a pump, pressumed a self priming is able to lift up to 12 m height. https://www.eng-tips.com/viewthread.cfm?qid=307610 Iam wonderin if how it be possible considering a pump is having NPSHr, let say 0.3 to 1 meter depending on...
  4. bmw318be

    Laser Shaft alignment Pump, gearbox input outputand motor

    Hi I have some doubts on laser alignment of pump to gearbox and Motor. While aligned the pump and geaebox, after vertical adjustment is within tolerance, I moved to the horizontal alignment while leaving the vertical bolt snugged. Thw result,after horizontal adjustment, the remeasured show...
  5. bmw318be

    Different between Gas Vs Liquid Pressure Transducer, can both be used fr same application Vice Versa

    Hi, I am just wondering if this technology is the same. 1. Can we use gas pressure transducer to measure liquid ? 2. Reasons being, it is easier availanle and economical to find a BLE Pressure transducer for gas that has a featurez of data logging and alarm to measure vacuum to presure...
  6. bmw318be

    NX 12 Export PDF M8 Hex Bolt has unknown Centre line Cross which with oversized width than M8 Bolt

    HI Gentleman, Thanks for your attention, I am seeking some advise as after export there is unknown center line on the M8 Bolt. I tried to change the hidden line to 0.13 Below the file link of the issue and my setting [Better resolution] Link Thanks you for your kind time and attention
  7. bmw318be

    How to Model Centrifugal Pump Frictional Loss calculation along the straight line and Branch in pipe

    Hi Just wonder, understand that a centrifugal is not a constant flow device, have Some doubts on the parameter to considered in the frictional loss calculation. Let say we have following system for simplicity 1. Horizontal line 200 Feet (Pipe 2 to 7 As illustration) 2. Elevation 0 m 3. Elbow...
  8. bmw318be

    Booster Pump feed Positive Displacement Pump in Series

    Hi Sir, Here's the situation: We retrofit a fuel system, We use centrifugal pumps that are sitting directly at the storage tanks to pump to existing day tank which is all at level 1, pressure is less than 2 bar maximum. Now, our end user is build a new building with the day tank on the top...
  9. bmw318be

    Cenrrifigal By passline 70%, 30% to process

    Hi, I am sizing the pump that is already the smallest Total head requuired is 20 m, flow 7 m3ph The smallest pump is having 25 m3ph 20 m. Throttled to 30 m , Would get 7 m3ph,this the recommended throttled to get Can we throttled to 30 m, then the balance of liquid like 4.5 m3ph going to...
  10. bmw318be

    Steel Skid Fabricator for metering system in USA for assembly,Fabrication, FAT

    Hi, I am looking for skid fabricator for metering pumps system with the following requirement Other documentation shall include : quality manual, quality certificate, WPS, NDT procedure, Coating procedure, QA/QC document and all related to fabrication of the skid. Detail engineering will...
  11. bmw318be

    Pipe Network with common suction Header

    Hi, I would like to get suggestion for calculation of acceleration head in NPSH calculation . This is positive displacement pump, single acting plunger pump. with a common header pipe configuration with various pipe dia fron tank to pump 1. Tank source is 3" pipe to common header est 49 m 2...
  12. bmw318be

    Sentry pulsation Dampener on suction and Discharge location

    Hi i read about sentry pulsation dampener and inlet stabilizer. I would like to know if the suction and discharge dampener can be installed in this configuration. Quote LOCATION: Location is important because of wave frequency and fluid dynamics. Location directly effects dampened...
  13. bmw318be

    Reducer Before the Pump Nozzle-Plunger Positive displacement pump

    Hi, I have the system of multiple tank that is connected to a common suction and discharge header, the suction header was oversized to accommodate multiple pump running. 1. Common header is 4 inch 2. 4" Tees from common header shall be reduced to match pump nozzle 2" suction and nozzle I...
  14. bmw318be

    2 Tank with 3 pump running in parallel at 13 GPM

    Hi, I have a system that have the following: Atmospheric Tank is 10 meter height 3 reciprocating pumps running in parallel at 13 GPM 4 Inch common header from the tank and then 3 pumps are tees from this 4 inch header with 2 Inch pipe diameter at 13 GPM. Pumping is Chlorine Question, 1. If...
  15. bmw318be

    Acceleration losses in Diaphragm Pump running in Parallel

    Hi, I am studying a case of the metering pump running in parallel with the following service 1. 1056 GPH 2. 3 Pumps running in parallel at the same time 3. Suction line is about 40 Meter: Section 1: From tank outlet nozzle is 3", 16 feet Section 2: From 3" to common header is 6", 98 feet...
  16. bmw318be

    Compatibility of Silicon Oil to petroleum if mixed from barrier fluid

    Hi, I would seek an advise as I have MSDS of pumping liquid of diesel additive. In general industry, we have the barrier fluid of silicon oil pressure transmitter to monitor the system. I like to know how safe or compatible the silicon oil since it is used if any leakage and mixed with...
  17. bmw318be

    Scada Problems analogue signal 4-20mA drive stroke Actuator motor of pump

    Hi, Need some advise as I am having a pump with automatic stroke control by analog 4-20ma There is input signal and feedback to Scada. What i experienced,issue. There is unknown interference that drift the actuator forward and backward. We measured the input signal using milliam multimeter...
  18. bmw318be

    Acceleration losses for Reciprocating plunger Pump

    Hi, Understand that reciprocating pump produce acceleration losses which would be essential to calculate. For the system that has pump running in parallel, does the consideration of calculating the acceleration losses would use different formula. Acceleration losses is normally is calculated...
  19. bmw318be

    Sizing discharge Pipe for Positive displacement pump

    We have a metering hydraulic diaphragm type pump with design suction pressure positive, discharge pressure 13 barg. If turn out to be the pump is 2", it is feasible option to use of 1" discharge pressure. Assuming the pressure loss calculated has been calculated based on the 1" pipe diameter...
  20. bmw318be

    Sizing Back Pressure Valves

    Hi, What is the most practical variable to considered when sizing the back pressure valve for the metering pump ? In most of the cases, the pump process discharge flow is having a bigger size such as 2" port diameter Given rated flowrates of the pump would allow me to determine max pulsating...

Part and Inventory Search

Back
Top