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Mike thank you for the feedback. Yes this is not unusual for coatings. The augers are available manufactured in Stainless Steel or Carbon Steel the coating they have available to apply to these augers is Tungsten Carbide. What I am hoping to understand is which is better to have TC applied to. I...

The application is for a screw auger transferring a sludge off of an industrial application. The manufacturer has what they are calling a High Carbon Steel (trying to gather more data on it) and a stainless auger. The application has abrasives in it. We work a lot with tungsten carbide in many...

I have been doing some research on coating tungsten carbide. I have some applications that we will be supplying equipment into. If I coat the equipment I have a choice of Stainless Steel or High Carbon Steel. I have been doing some research on which would be better. Can anyone tell me if there...

Sorry it is just out of habit that I type in caps. No shouting intended

YOUR SUCTION SHOULD ALWAYS BE THE SAME SIZE OR LARGER THAN YOUR DISCHARGE. FROM MY QUICK CALCS YOU ROUGHLY HAVE AROUND 7-8PSI FRICTION LOSS IN YOUR SUCTION LINE SO IF YOU HAVE 18PSI NPSHA YOU SHOULD BE GOOD AT A MAX FLOW RATE OF 4GPM. THIS IS BASED ON STRAIGHT RUN WITH NO ELBOWS. YOU NEED TO...

30GPM AT 100PSI FOR AN AODD PUMP IS A TOUGH ONE DEPENDING ON YOUR VISCOSITY. WITH REFERENCE TO GEAR PUMPS ROTAN IS A GOOD ONE FOR ABRASIVES. I WOULD SAY DEPENDING ON THE % OF ABRASIVE MEDIA YOU MAY WANT TO LOOK AT TUNGSTEN CARBIDE COATED COMPONENTS. YOU MAY ALSO WANT TO LOOK AT A PROGRESSIVE...

JUST TO BE SAFE YOU MAY WANT TO SEE IF THE PUMP IS RUNNING BACKWARDS. IF THE PUMP RUNS BACKWARDS YOU WILL STILL GET SOME FLOW RATE BUT IT WILL BE LOW. IT MAY BE WIRED WRONG. I WOULD HAVE YOUR INSTALLER CHECK YOUR ROTATION AS AN OPTION AS WELL.

WE HAVE DESIGNED PUMP SYSTEMS IN SEVERAL ABRASIVE SLURRY APPLICATIONS AND THEY WORK BEAUTIFULLY. WE USE NI-HARD PUMPS, OVERSIZE THE PUMP AND RUN THEM VERY SLOW. OUR LIFE ON SLURRY PUMPS IS ANYWHERE FROM 2-8 YEARS. MANY TIMES RUBBER LINED PUMPS GET CHEWED UP DUE TO CAVITATION AND LARGE SOLIDS...

IF YOU WANT TO GET 3GPM @ 75PSI WITHOUT PULSATION AND A CONSTANT FLOW RATE THE BEST PUMP TO USE WOULD BE A PROGRESSIVE CAVITY PUMP. IT WILL WORK MUCH BETTER THAN A CENTRIFUGAL IN SUCH LOW FLOWS AND HIGH PRESSURES. WHAT IS THE PRODUCT YOU ARE PUMPING, TEMPERATURES, ARE THERE SOLIDS?

MANY MANUFACTURERS WILL SIZE THE PUMP UP FOR YOU CALCULATING THE AMP DRAW AT VARIOUS POINTS ON THE CURVE FOR YOU.

AN AIR DIAPHRAGM PUMP WOULD WORK VERY WELL IN THIS APPLICAITON PLUS YOU CAN HAVE A DIAPHRAGM LEAK DETECTOR INSTALLED TO SHUT THE AIR LINE DOWN AND SEAL THE CONTAMINATION OFF. THE DIAPHRAGM PUMP WILL COME WITH VARIOUS MATERIALS OF CONSTRUCTION IN THE SUCTION TUBE. LET ME KNOW THE FOLLOWING AND I...

WE HAVE WORKED WITH SEVERAL CUSTOMERS WHO WANT TO PUT IN FRP EQUIPMENT. YOU REALLY NEED TO MAKE SURE THEY ARE USING THE CORRECT RESIN IN THESE APPLICATIONS. DEPENDING ON THE DESIGN AND MANUFACTURER I HAVE SEEN TEMPERATURES TO 200F BUT THAT IS PUSHING THE UPPER LIMITS. TEFLON LINED AND ANOTHER...

HAVE YOU EVALUATED THE SEAL FACES AND ELASTOMERS ON THE PUMP. MANY TIMES PEOPLE RUN THEIR PUMPS ON THE RAGGED EDGE FORGETTING THAT THERE ARE THINGS THAT HAPPEN IN THE PUMP THAT CAUSE OTHER ISSUES. IF YOUR ARE RUNNING 200F-212F AND DO NOT HAVE GOOD COOLING TO THE SEAL FACES THIS COULD EASILY...

DANNYBAGPIPES IF YOU HAVE ISSUES WITH CONTAMINATION IN YOUR PROCESS YOU COULD DO AWAY WITH A BARRIER FLUID AND GO TO A DRY RUN SEAL OR IF YOU NEED THE PROTECTION OF A BARRIER FLUID YOU COULD USE A GAS SEAL. THIS WILL BE DRY RUNNING AND YOU WILL USE NITROGEN OR ANOTHER CLEAN GAS. THESE TAKE MUCH...

WE HAVE USED SEVERAL DIFFERENT METHODS WITH CUSTOMERS BUT YOU WOULD NEED TO TELL ME A LITTLE MORE ABOUT YOUR PROCESS. OF THE 15,000 GALLONS A WEEK WHAT ARE THE PERCENTAGES THAT MAKE UP YOUR WASTE STREAM? DO YOU RUN 24/7? WHAT PROCESS ARE YOU USING NOW? WHAT DO YOU WANT TO ACCOMPLISH? WHAT LEVELS...

I WAS READING YOUR PROBLEM AND IF YOU DONT MIND ME ASKING WHAT IS YOUR SHAFT ON? A MIXER, PUMP ETC? ALSO WHAT KIND OF TEMPERATURES AND SPEEDS ARE YOU DEALING WITH? WE USE SEVERAL DIFFERENT MATERIALS BUT IT ALL DEPENDS ON YOUR PROCESS AND THE EQUIPMENT IF YOU CAN GIVE ME AN IDEA OF THAT I WOULD...

I HAVE READ OVER YOUR THOUGHTS ON SEPARATING THE PUMPS FROM THE TANKS. I DO NOT AGREE THAT IT IS ALL ABOUT COST. YOU ALSO HAVE TO BE SURE THAT THE PUMPS ARE NOT CONTAMINATING THE OTHER PRODUCTS AND THAT THE PUMPS ARE PROPERLY DESIGNED TO HANDLE THE CONDITIONS. I SEE SO MANY APPLICATIONS WHERE...