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Hello: Can anyone please let me know the Castinite polymer pump baseplate temperature limits. Can it withstand cold temperature of about - 46 degree celcius. Any advantages and disadvantages of Castinite polymer baseplate? Appreciate your answer Thank you

Hi, I have been asked by the client to modify the existing VS-6 API 610 pumps for the new process conditions. The existing pump had 9 stages and in the new modified pump 4 impellers will be kept at exiting trim, add a stage and 5 impellers will be replaced. Please let me know if a lateral and...

I have a HAZOP question Pump A and B will be installed in parallel with one pump acting as standby spare. Both pumps have tight shut-off orbit type valves on the suction and discharge. If the suction side orbit valve on the spare pump is accidentally closed then I expect the discharge...

Role of washer stiffness in Flange Leakage Design? Please explain. Thank you

What do you mean by Centerline supported pump. Please explain. Please let me know other types of supports for the pumps. Thanks

For a BB5 (Barrel type) is it possible to have a side suction and side discharge nozzles instead of a top suction top discharge. If possible are there any limitations or concerns that needs to be taken care. Thanks in advance for your replies.

What is the minimum continuous stable flow for fire water pump? Is there any requirement if so howmuch in terms of percentage of rated flow? The firewater pump is on an offshore platform. Thanks in advance for you replies.

Does anyone has experience with Side channel pump, If so what are there advantages and disadvantages. I have high pressure application (17387 KPA) or 127 m3/hr flow and head of 4200m, pumping low specific gravity liquid (0.27). Are these pumps suitable to handle high pressures?

Difference between Desiccant type and membrane type Air Dryer? Thx

When should we use a Ellipsoidal head instead of Flat head. I have a pressure vessel with 42" diameter it has a Ellipsoidal head made out of rolled steel and another pressure vessel with 36" has a Flat head (Flanged)The fabricator has used a 36" pipe for the second pressure vessel. Please let...

I have seen people wearing the H2S monitors on the safety helmet, near the collar or clipped to the shirt pocket. Can anyone let me know is it safe to wear the H2S monitor on the safety helmet. Please advise if OSHA has any requirement. Thank you

Is there any problem if minimum continuous stable flow is zero for ANSI Centrifugal pumps? If so please explain if there should be some flow or not?

Lean amine Pump flow: 90 gpm head: 329 ft temp 150 F sp. gravity: 0.994 Vapor pr: 2.02 psia Can someone help me with the seal selection which one is good Plan 74 or Plan 52? If so Why? Explain. Thanks in advance

OH3(flexible coupling) VS OH4 pumps (rigid coupling), API 610 states "it doesnot meet all the standards of the OH4 pump"... Can someone specify what are the disadvantages of OH4 type pump over OH3. Thankyou

Rated Flow: 38065 kg/hr Suction pressure: 797 psig Dishcarge pressure: 1450 psig(low speed) 2513 psig (high speed) Head: VFD motor Liquid: Hydrocarbon Sp. Gravity: 0.13 Viscosity: 0.016 Temp: 40 deg. C MDMT: -46 deg. C (Canada) Please advise mechanical seal selection for low specific gravity...

the project is looking to buy a steam condensate pump, the flow is 120 gpm and the head is 235 ft, (Continuous flow) the problem is with the NPSHA < 0.5ft, I am trying to find a pump which meets this requirement. They dont want to have a Vertical canned pump Please let me know any other vendor...

Service; Lean Amine Charge pumps Flow 54.5 USgpm,@ 1668 psig discharge Triplex type plunger pump (75 hp)API-674 Belt drive, pulsation dampeners included Sundyne pump (200hp)LMV-331, API-610 gear box included Can someone help me with selection of the pumps (Recip or Sundyne)and why?