...fettle @Rangie I referred to it today while trying to remove a stuck NRV from a Primus 41 tank. The edges of the NRV had slipped away from the...
Use a chuck from a drill to hold the brass cylinder tight while unscrewing the NRV head. [ATTACH] Tony
I kind of thought removing the pump to get to the NRV was initiation for membership here. I enjoyed my experience.
Ive had to remove a few pumps to get sheared off NRV's...definitely not for the weak minded haha. Good tool!
...Fettlebox UK sells separate pip holders so that you can equip your NRV with a new soft Viton pip. Non-return valve (NRV) pip & holder...
Hi, No green, but i gave it a good warm up. Just fitted a new seal kit. Currently bedding the nrv pip. But works nicely
...an HDPE seal from Fettlebox. Had visions of struggling with a stuck NRV so relieved to hear loud click upon release. Alas original cork pip was...
A bit more explanation of the working of an ‘external’ Svea NRV might be helpful. My Svea No.40 with one. [ATTACH] [ATTACH] The NRV...
Out of curiosity then is there a technique to dismantle nrv with out breaking it like I did? It seemed pretty solid
I don’t know about anyone else but I have 6 or 7 NRV heads that have rounded off either prior to my ownership or due to a lack of lead washer...
Warning NRV Buying off ebay, you often get parts for new stoves, not classic stoves. I highly recommend a reputable parts supplier for your...
Every "B' that I have or had, needed the pip in the NRV replaced, gas seems to do that on these. May work for a bit as is, but would hate to see...
Just wanted to show off. I finally managed to change a defective NRV on my Svea Komfur. [IMG] I placed a NRV valve key in a small vice that I...
[ATTACH]Here is a better shot of the NRV. A socket may do the trick. Not sure if Veritas would have used a Primus burner but could have or it...
Edwin, quite often these older stoves have a cork pip in the NRV (Non Return Valve). It doesn't harden with age and when kerosene is added in the...
The drill chuck is a great idea as the three jaws will spread the clamping force more evenly. I am relieved that I am not the only one to fall...
...Whether they would produce results that would be of any value for NRV pips I doubt. I don't see rubber degradation being reversable. Cork NRV...
It is an external NRV. Tony
Sheared the head off the NRV, impressive; just as well you didn't cave in the tank side at the same time too;) (:oops:) Impressive determination...
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