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#1
posted to rec.boats.cruising
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NPT and BSP threads
I am looking at getting some water filters, 20 inch housings, with 3/4
inch NPT female connections in plastic tops. Can I get away with screwing in 3/4 BSP taper male brass compression fittings, using a good wind of PTFE tape?? Both are 14 TPI and the nominal NPT is 1.050 inch OD and BSP is fractionally smaller at 1.041 inch OD. TVMIA |
#2
posted to rec.boats.cruising
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NPT and BSP threads
"CS" wrote: I am looking at getting some water filters, 20 inch housings, with 3/4 inch NPT female connections in plastic tops. Can I get away with screwing in 3/4 BSP taper male brass compression fittings, using a good wind of PTFE tape?? No. NPT is a tapered thread. BSP is a straight thread. You cann't get there from here. Lew |
#3
posted to rec.boats.cruising
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NPT and BSP threads
"Lew Hodgett" wrote in message
... "CS" wrote: I am looking at getting some water filters, 20 inch housings, with 3/4 inch NPT female connections in plastic tops. Can I get away with screwing in 3/4 BSP taper male brass compression fittings, using a good wind of PTFE tape?? No. NPT is a tapered thread. BSP is a straight thread. You cann't get there from here. Lew Actually, it's possible to get an adapter it seems... http://www.metricmcc.com/pricecatalog/8-849.htm http://www.suspensionconnection.com/...con/90001.html I was curious, so I looked it up. -- "j" ganz @@ www.sailnow.com |
#4
posted to rec.boats.cruising
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NPT and BSP threads
"Capt. JG" wrote: Actually, it's possible to get an adapter it seems... We represent some European instrument companies and work with the importer to supply adapters from BSP to NPT when req'd. Strictly a convenience item. Lew |
#5
posted to rec.boats.cruising
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NPT and BSP threads
On Tue, 20 Oct 2009 11:05:43 -0700, "Capt. JG"
wrote: "Lew Hodgett" wrote in message .. . "CS" wrote: I am looking at getting some water filters, 20 inch housings, with 3/4 inch NPT female connections in plastic tops. Can I get away with screwing in 3/4 BSP taper male brass compression fittings, using a good wind of PTFE tape?? No. NPT is a tapered thread. BSP is a straight thread. You cann't get there from here. Lew Actually, it's possible to get an adapter it seems... http://www.metricmcc.com/pricecatalog/8-849.htm http://www.suspensionconnection.com/...con/90001.html I was curious, so I looked it up. Actually old chap, under the use and custom policies of Usenet you are cheating :-) Cheers, Bruce (bruceinbangkokatgmaildotcom) |
#6
posted to rec.boats.cruising
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NPT and BSP threads
"Bruce In Bangkok" wrote in message
news On Tue, 20 Oct 2009 11:05:43 -0700, "Capt. JG" wrote: "Lew Hodgett" wrote in message . .. "CS" wrote: I am looking at getting some water filters, 20 inch housings, with 3/4 inch NPT female connections in plastic tops. Can I get away with screwing in 3/4 BSP taper male brass compression fittings, using a good wind of PTFE tape?? No. NPT is a tapered thread. BSP is a straight thread. You cann't get there from here. Lew Actually, it's possible to get an adapter it seems... http://www.metricmcc.com/pricecatalog/8-849.htm http://www.suspensionconnection.com/...con/90001.html I was curious, so I looked it up. Actually old chap, under the use and custom policies of Usenet you are cheating :-) Cheers, Bruce (bruceinbangkokatgmaildotcom) Heh... -- "j" ganz @@ www.sailnow.com |
#7
posted to rec.boats.cruising
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NPT and BSP threads
On 20 Oct, 16:42, "Lew Hodgett" wrote:
"CS" wrote: I am looking at getting some water filters, 20 inch housings, with 3/4 inch NPT female connections in plastic tops. *Can I get away with screwing in 3/4 BSP taper male brass compression fittings, using a good wind of PTFE tape?? No. NPT is a tapered thread. BSP is a straight thread. You cann't get there from here. Lew Please re read - BSP with a taper male thread - which I can get easily. |
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