Umbilical pump discharge.

[MBC]

Been looking at my discharge pipes for umbilical pump. I see some and was always told slow sweeping elbows to keep flow smooth. But looking around on line and I see some with 90s. My question is. Is anyone using a pump with 90 on ? Does this effect output or hp consumption on the pump.
Thanks
Mbc

 

[Blue.]

I have swept bends on my main pump line and my return to the pit is like your last pic,because it's the return going down a 6" flow rate doesn't really matter,I wouldn't pump into a flat tee for my mainline as it would surely reduce flow.

 

[MBC]

That's what I think too but was just wondering if anyone is using them and how they get on ?

 

[Blue.]

That's what I think too but was just wondering if anyone is using them and how they get on ?

Your 2nd pic looks like one of Nick Hoyles,I thought he was a member on here. @hoyles

 

[MBC]

I just went onto google image and found the pictures

 

[dazza b]

Your 2nd pic looks like one of Nick Hoyles,I thought he was a member on here. @hoyles

Correct it is in his yard, ours are same as that just rotated round on the outlet will have a look for a pic.

 

[Speedstar]

Take a good look at the pipe work on them most of them are a time bomb , MZ gate valve's are not rated at 16 bar & should not be put in there ,

 

[MBC]

So what should they be using @Speedstar ? Is this why this pump in picture has bolts around the gate valve

 

[Blue.]

So what should they be using @Speedstar ? Is this why this pump in picture has bolts around the gate valveView attachment 257156

Looks to have another 4 bolts to stop it blowing apart.

 

[davedb]

I have swept bends on my main pump line and my return to the pit is like your last pic,because it's the return going down a 6" flow rate doesn't really matter,I wouldn't pump into a flat tee for my mainline as it would surely reduce flow.

How do you work your return pipe? Just 2 valves I spose bit is it that much easier than shutting pump off and re priming?

 

[Blue.]

How do you work your return pipe? Just 2 valves I spose bit is it that much easier than shutting pump off and re priming?

I have a gate valve to shut the main line off and a 4" tap to return into the store.

Mate of mine has a 3way valve controlled with a linear actuator wired to his remote control.

 

[davedb]

I have a gate valve to shut the main line off and a 4" tap to return into the store.

Mate of mine has a 3way valve controlled with a linear actuator wired to his remote control.

Ah your on engine pump makes more sense now

 

[Blue.]

Ah your on engine pump makes more sense now

No I've my pump mounted on my tanker but same thing.

My lagoon is piped out of the lowest point into a separate store so I'm going to connect into that so I don't need to prime,currently I get it going and then get someone in the yard to divert it down the main line.

 

[MBC]

So I never really got an answer. Is anyone using a pump with a 90 degree discharge and how do you get on ?

 

[davedb]

So I never really got an answer. Is anyone using a pump with a 90 degree discharge and how do you get on ?

Got a swept 90 on the one I use its just a 4" with a clip on, the old one did wear thin and blow off one day but it had done a lot of work

 

[Adamson Contractors]

This is our main pump

It's a HD35 and we can divert back to tank or send it down the main line. Output will be in excess of 200m3/hr

 

[saly123]

So I never really got an answer. Is anyone using a pump with a 90 degree discharge and how do you get on ?

Yea, am running a 90 degree bend of the pump and have done for years. Never had a problem.

 

[Speedstar]

This is our main pump
View attachment 257450
It's a HD35 and we can divert back to tank or send it down the main line. Output will be in excess of 200m3/hr

Bet that is on a short pump with thin slurry , 5" hose ?

 

[Speedstar]

So what should they be using @Speedstar ? Is this why this pump in picture has bolts around the gate valveView attachment 257156

Ours all go straight no bends at all & all our pipe work is 6" not 4", gate valves are all turn down gate valves rated at 20 bar & are bolted in with PN 16 flanges, we all so run pressure gauges & never run at any more than 10 bar & that is in 6" hose, Doda pumps will make 16 Bar + in 4" hose & if it blows one of them mickey mouse gates valves out it will kill someone if it hits them, Same as bauer couplings they are not rated at 16 bar & I would not use them on a pump.

 

[MBC]

Ours all go straight no bends at all & all our pipe work is 6" not 4", gate valves are all turn down gate valves rated at 20 bar & are bolted in with PN 16 flanges, we all so run pressure gauges & never run at any more than 10 bar & that is in 6" hose, Doda pumps will make 16 Bar + in 4" hose & if it blows one of them mickey mouse gates valves out it will kill someone if it hits them, Same as bauer couplings they are not rated at 16 bar & I would not use them on a pump.

So what couplings are you using and how do company's like Slurrykat etc get away with supplying then as a system if they are not fit for purpose ?