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Author Topic: Glass Syringe for fuel refilling  (Read 1655 times)

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Re: Glass Syringe for fuel refilling
« Reply #15 on: January 26, 2021, 08:06:44 pm »
I use a plastic one with the plunger as one piece. The round plastic or nylon end is much better than the black rubber tips that get real sticky with fuel. I've been using it for a couple of years and it is still going strong. I think it is one my daughter used to give measured doses of medecine to my granddaughter. It has a blunt tip needle.
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Re: Glass Syringe for fuel refilling
« Reply #16 on: January 26, 2021, 09:04:32 pm »
Hi Nick, bad to hear about your glass syringe Leakage....That's not normal for a precision made type..Try to Swap fitting the syringe piston to get a better fit match....tom
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Re: Glass Syringe for fuel refilling
« Reply #17 on: January 26, 2021, 11:58:16 pm »
If you can find an old BD (Becton Dickinson syringes) type, I've always had good luck with them. A properly ground glass syringe should not leak a single drop and should last several lifetimes.
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Re: Glass Syringe for fuel refilling
« Reply #18 on: January 27, 2021, 07:43:25 am »
My problem is not exactly that they leak... I pull the plunger up, fill it with liquid and as I carry the syringe over to the boiler or burner, the plunger doesn’t stay put and slides back in pushing out the liquid.
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Nick

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Re: Glass Syringe for fuel refilling
« Reply #19 on: January 27, 2021, 07:18:02 pm »
Here is the best syringe I've ever used for fuel.
My daughter gave it to me a few years ago.

I've used it hundreds of times and it's still going strong.

Gil



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Re: Glass Syringe for fuel refilling
« Reply #20 on: January 27, 2021, 08:49:55 pm »
Quote from: Nick on January 27, 2021, 07:43:25 am
My problem is not exactly that they leak... I pull the plunger up, fill it with liquid and as I carry the syringe over to the boiler or burner, the plunger doesn’t stay put and slides back in pushing out the liquid.

Yep.....just discovered that myself. The weight of the glass plunger is enough to start it sliding down.

Amazing to look at how well they've made these though, the ground glass finish and fit is exceptional.
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Re: Glass Syringe for fuel refilling
« Reply #21 on: January 27, 2021, 08:53:27 pm »
Quote from: Jim on January 27, 2021, 08:49:55 pm
Quote from: Nick on January 27, 2021, 07:43:25 am
My problem is not exactly that they leak... I pull the plunger up, fill it with liquid and as I carry the syringe over to the boiler or burner, the plunger doesn’t stay put and slides back in pushing out the liquid.

Yep.....just discovered that myself. The weight of the glass plunger is enough to start it sliding down.

Amazing to look at how well they've made these though, the ground glass finish and fit is exceptional.

Yes, they sure do look nice, maybe it’s just a learning curve...

Did your’s come with an o-ring laying at the bottom (at the end of the plunger)? I assume it was just for shipping purposes to keep it from rattling around as I see nowhere to use it...
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Nick

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Re: Glass Syringe for fuel refilling
« Reply #22 on: January 27, 2021, 09:01:32 pm »
No Nick, no 'O' ring just the 3 glass syringes in styrofoam packaging.

Amazing they can do all that glass grinding to those tolerances for a buck each.
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Jim

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Re: Glass Syringe for fuel refilling
« Reply #23 on: January 27, 2021, 09:04:29 pm »
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Jim

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Re: Glass Syringe for fuel refilling
« Reply #24 on: January 27, 2021, 09:09:14 pm »
Quote from: Jim on January 27, 2021, 09:01:32 pm
No Nick, no 'O' ring just the 3 glass syringes in styrofoam packaging.

Amazing they can do all that glass grinding to those tolerances for a buck each.

Mine were a bit more being made in Italy, but I didn’t buy them for fuel, I wanted to use them for boiling water.

My current plastic syringes hold up fine for fuel, I have had the kind that the black rubber “melts”. But none of my plastic ones hold up to boiling water... the whole thing deforms.
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