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200013
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Threaded fittings
unions
conical seat
PN 10 (ECO-Line)
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NPT
150 lbs
NPT F/M
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union conical, F/MNPT.VK.IA
150 lbs (PN 10)

extended product description

NPT pipe thread ANSI/ASME B1.20.1


The NPT thread (National Pipe Thread) according to ANSI/ASME B1.20.1 is a USAthread standard

for self-sealing connections.


A seal is achieved because the inner as well as the outer threads are arranged in a taper (conic).


A sealing material (for example hemp or Teflon tape) is used when screwing together.



NPT

ØOuter

ØCore hole

Threads per inch

Thrds. per inch

1/8"

10,242

8,25

27

0,941

1/4"

13,616

10,70

18

1,411

3/8"

17,055

14,10

18

1,411

1/2"

21,223

17,40

14

1,814

3/4"

26,568

22,60

14

1,814

1"

33,228

28,50

11,5

2,209

1 1/4"

41,985

37,00

11,5

2,209

1 1/2"

48,054

43,50

11,5

2,209

2"

60,092

55,00

11,5

2,209

2 1/2"

72,699

65,50

8,0

3,175

3"

88,608

81,50

8,0

3,175

3 1/2"

101,316

94,30

8,0

3,175

4"

113,973

107,00

8,0

3,175



In Europe, the Whitworth and BSP pipe threads are more common than the NPT pipe threads.


Due to the different number of threads per inch and minor differences in the diameters, the BSP

and NPT threads cannot be screwed together completely.This can be noticed when the thread

cannot or can only be screwed in a few turns.

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Data Sheet
union conical, F/M
150 lbs (PN 10)
Stock and Price List
union conical, F/M
150 lbs (PN 10)
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