New toy but how to assemble?

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GillesF

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Nov 1, 2010
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Hi guys

got my new regulator today, a German-made single stage regulator with a built-in mechanism that keeps the pressure stable, even when the bottle runs empty. It was a lot cheaper than a real dual stage (which are hard to find in Europe) so I thought it was worth the shot.

Unfortunately, I do not now exactly how to assemble it. I wanted to attach the solenoid to the regulator but it uses a different screw type (encircled on picture 1). Should I remove this part and use a different screw or something?

Pictures:

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Thanks!

Gilles
 
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Matt F.

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The encircled part looks like a hex nipple. I assume that is the regulator low pressure outport? If so, you can remove that part and use whatever fitting will connect to your post body. Just make sure that encircled part isn't the pressure relief valve (doubt it is).

I see an arrow going from left to right...

What is the thing that has a black cap?
 
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G

GillesF

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Matt F.;62793 said:
The encircled part looks like a hex nipple. I assume that is the regulator low pressure outport? If so, you can remove that part and use whatever fitting will connect to your post body. Just make sure that encircled part isn't the pressure relief valve (doubt it is).

I see an arrow going from left to right...

What is the thing that has a black cap?
Click to expand...

The thing with the black cap is the needle valve. The encircled part is where the co2 exits the regulator. It used to have a "pipet" (what's the right word?) but I removed it, only this part is left but I cant screw my solenoid on it since it's bigger.
 
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Left C

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You might want to consider getting rid of those "not so very good" needle valves. You can replace them with an Ideal V52-1-12 needle valves or with Swagelok B-SM2-A metering valves and get the optional Vernier micrometer handle. Another option is that the 1/8" NPT Fabco needle valves will be available soon. On this forum is a DIY to make something similar to a micrometer handle.
 
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GillesF

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@Matt: I might have one lying around, I still have some extra parts from my old regulator.

@Left C: I won't use the black needle valve on the regulator since it's for industrial use, thus not precise enough for aquariums. I bought the splitter (which has two needle valves) because I wanted to split my co2 to two separate tanks. I've read some reviews on the splitter (not much is found about them though) and they were all positive.

Those Ideal and Swagelok valves are great but then I would need adapters etc since my regulator has German fitting standards. Those American regulator parts are also difficult to find in Europe (even dual stages are hard to get and very expensive).
 
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Koen_v_V

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Hi Gilles,

I've the same regulator, but only full dual stage. You can unscrew the nipple on your reg. But you actual need to find a correct fitting.
Go to a industrial hardware company which does in hydraulics, they usually have a counter where they can provide you with spare parts you need.

If both male and female are metric standards, you should only find yourself the correct diameter. I believe on the reg is 1/4''. I've used on my reg a swagelok needle valve 1/4'' NPT, but swagelok sells enough nice parts to overcome that problem. Even Swagelok will have the solution to your fitting problem, use their website and the wizard to find the correct parts, and order them, You will get them delivered by their dutch retailer in Waddinxveen via post. But you first have to find out what the type of draad (dutch) is used on your needle valve and solenoid.

Good luck.
Good luck.
 
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GillesF

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I should have checked this before ordering the regulator ...
I know the threading used for the nipple but not for the solenoid. How can I determine this? Just by measuring the diameter?

Allright, measured it and the piece that goes into the solenoid has a diameter of exactly 1cm (3/8inch). Since the regulator has a G1/4" fitting, this would mean that part B-6-HRN-4 on the Swagelok site should fit?

Direct link: http://www.swagelok.com/search/find...N-4&item=e254464f-20f7-457f-a9a9-c8602af7276e

Would it be possible to buy another part so that my JBJ bubble counters are at 90° instead of 45°?

*edit* Well, I tried to unscrew the outlet but it just won't come loose. I think I'll put an adapter on it, this should be the correct one: http://www.swagelok.com/search/find...A-6&item=e254464f-20f7-457f-a9a9-c8602af7276e
 
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Matt F.

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GillesF;62903 said:
I should have checked this before ordering the regulator ...
I know the threading used for the nipple but not for the solenoid. How can I determine this? Just by measuring the diameter?

Allright, measured it and the piece that goes into the solenoid has a diameter of exactly 1cm (3/8inch). Since the regulator has a G1/4" fitting, this would mean that part B-6-HRN-4 on the Swagelok site should fit?

Direct link: http://www.swagelok.com/search/find...N-4&item=e254464f-20f7-457f-a9a9-c8602af7276e

Would it be possible to buy another part so that my JBJ bubble counters are at 90° instead of 45°?

*edit* Well, I tried to unscrew the outlet but it just won't come loose. I think I'll put an adapter on it, this should be the correct one: http://www.swagelok.com/search/find...A-6&item=e254464f-20f7-457f-a9a9-c8602af7276e
Click to expand...

My suggestion would be contact the manufacturer of your solenoid. Ask the customer support for the correct size of the ports on your model number. Then go from there.

Good thing is swagelok makes both metric and standard fittings. So once you find out the correct solenoid size, we can help more. I'm just totally unfamiliar with that regulator/solenoid combo.
 
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Koen_v_V

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Gilles,

For your info, the part you are mentioning is on both sides American standard pipe tread (NPT), which does not fit on the metric standard, even the diameter is the same.

I'm sure your reg is metric, as i have the same. The swagelok system is to have a male and female adapters, which both ends can fit just any standard and diameter. The adapter worked perfect for me to go from 1/4'' metric to 1/4'' NPT

As suggested already, check the vendor and ask them what is used.

You could check Swageloks Thread and End Connection Identification Guide, (MS-13-77, R5) so it's explained what is what. It helped me to understand NPT as we're not familiar with it in the Netherlands.
 
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GillesF

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I read the article and it seems that there are some differences indeed. I got a reply from the seller of the reg and he told me it's NPT and not metric.

So what I need is an adapter that goes from 1/4" NPT to 1/4" Metric and then an adapter from 1/4" metric to 10mm metric
OR 1/4" NPT directly to 10mm metric
 
M

Matt F.

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GillesF;63012 said:
I read the article and it seems that there are some differences indeed. I got a reply from the seller of the reg and he told me it's NPT and not metric.

So what I need is an adapter that goes from 1/4" NPT to 1/4" Metric and then an adapter from 1/4" metric to 10mm metric
OR 1/4" NPT directly to 10mm metric
Click to expand...

Contact Swagelok directly regarding this. They should be able to help you with a part number.
 
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GillesF

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Got a reply from Swagelok:

I have some questions on your request. The G is normally used for ISO threads and not for NPT threads, are you sure that it is a NPT thread? Second question on the 10 mm thread when you have a 10 mm thread you must also specify the pitch 10 x 0.5 or 10 x 0.75 or 10 x 1.

Please indicate also your company name and phone number when answering on my questions, It helps to contact you or ask our sales engineer to see what he can do for you.
Click to expand...

Is there a way to measure the pitch? My old regulator doesn't have a brand as far as I can see and there's nothing mentioned on the parts ...

*edit* Found the brand, it is Aquili ...
 
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