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Internal Taper Pipe External Thread

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Real Product Photo
CAD Drawing

1CN/1DN

Precise dimensions, professional engineering design

Real Product Photo
CAD Drawing

1CN-RN/1DN-RN

Precise dimensions, professional engineering design

Industrial Mechanical Components

1CN,1DN,1CN‑RN,1DN‑RN

Material / Surface Treatment

35# Carbon Steel, 45# Carbon Steel

Electroplated Blue‑White Zinc / Electroplated Zinc‑Nickel Alloy / Black Oxide Finish

Internal Taper Pipe External Thread

  • 1CN,1DN,1CN-RN,1DN-RN
  • Fitting Material: 35# Carbon Steel
  • Surface Treatment: Electroplated Blue-White Zinc / Zinc-Nickel Alloy Plating / Black Oxide Finish
Model Code Thread Tube Outer Diameter Dimension Pressure Rating
1CN-12-02

E:M12X1.5 F:Z1/8"X27

D1=6

I1=13.4 L1=28.4 S1=12 S2=14

25Light SeriesL

1CN-12-04

E:M12X1.5 F:Z1/4"X18

D1=6

I1=17.2 L1=32.2 S1=17 S2=14

1CN-14-04

E:M14X1.5 F:Z1/4"X18

D1=8

I1=17.2 L1=32.2 S1=14 S2=17

1CN-16-04

E:M16X1.5 F:Z1/4"X18

D1=10

I1=18.2 L1=33.2 S1=17 S2=19

1CN-16-06

E:M16X1.5 F:Z3/8"X18

D1=10

I1=19.9 L1=53.0 S1=19 S2=19

1CN-18-04

E:M18X1.5 F:Z1/4"X18

D1=12

I1=19.2 L1=34.2 S1=19 S2=22

1CN-18-06

E:M18X1.5 F:Z3/8"X18

D1=12

I1=19.9 L1=34.9 S1=19 S2=22

1CN-18-08

E:M18X1.5 F:Z1/2"X14

D1=12

I1=21.4 L1=36.4 S1=22 S2=22

1CN-22-08

E:M22X1.5 F:Z1/2"X14

D1=15

I1=22.4 L1=37.4 S1=24 S2=27

1CN-22-20

E:M22X1.5 F:Z1.1/4"X11.5

D1=15

I1=29.8 L1=37.4 S1=46 S2=27

1CN-26-08

E:M26X1.5 F:Z1/2"X14

D1=18

I1=22.9 L1=39.4 S1=27 S2=32

16Light SeriesL

1CN-26-12

E:M26X1.5 F:Z3/4"X14

D1=18

I1=22.4 L1=38.9 S1=30 S2=32

1CN-30-08

E:M30X2 F:Z1/2"X14

D1=22

I1=24.4 L1=40.5 S1=32 S2=36

1CN-30-12

E:M30X2 F:Z3/4"X14

D1=22

I1=24.4 L1=40.9 S1=32 S2=36

1CN-36-16

E:M36X2 F:Z1"X11.5

D1=28

I1=29.8 L1=46.3 S1=41 S2=41

1CN-36-20

E:M36X2 F:Z1.1/4"X11.5

D1=28

I1=31.3 L1=46.3 S1=46 S2=41

1CN-45-20

E:M45X2 F:Z1.1/4"X11.5

D1=35

I1=30.3 L1=51.8 S1=46 S2=50

1CN-52-20

E:M52X2 F:Z1.1/4"X11.5

D1=42

I1=31.8 L1=55.8 S1=55 S2=60

1CN-52-24

E:M52X2 F:Z1.1/2"X11.5

D1=42

I1=32.8 L1=55.8 S1=55 S2=60

1DN-14-04

E:M14X1.5 F:Z1/4"X18

D1=6

I1=22.2 L1=37.2 S1=17 S2=17

40Heavy SeriesS

1DN-16-04

E:M16X1.5 F:Z1/4"X18

D1=8

I1=22.2 L1=37.2 S1=17 S2=19

1DN-18-04

E:M18X1.5 F:Z1/4"X18

D1=10

I1=21.7 L1=38.2 S1=19 S2=22

1DN-18-06

E:M18X1.5 F:Z3/8"X18

D1=10

I1=22.4 L1=38.9 S1=19 S2=22

1DN-20-04

E:M20X1.5 F:Z1/4"X18

D1=12

I1=23.7 L1=40.2 S1=22 S2=24

1DN-20-06

E:M20X1.5 F:Z3/8"X18

D1=12

I1=24.4 L1=40.9 S1=22 S2=24

1DN-20-08

E:M20X1.5 F:Z1/2"X14

D1=12

I1=25.9 L1=42.4 S1=22 S2=24

1DN-22-08

E:M22X1.5 F:Z1/2"X14

D1=14

I1=27.4 L1=45.4 S1=24 S2=27

1DN-24-08

E:M24X1.5 F:Z1/2"X14

D1=16

I1=26.9 L1=45.4 S1=27 S2=30

1DN-30-12

E:M30X2 F:Z3/4"X14

D1=20

I1=28.4 L1=49.9 S1=32 S2=36

25Heavy SeriesS

1DN-36-12

E:M36X2 F:Z3/4"X14

D1=25

I1=30.9 L1=34.0 S1=41 S2=46

1DN-36-16

E:M36X2 F:Z1"X11.5

D1=25

I1=35.3 L1=59.3 S1=41 S2=46

1DN-42-16

E:M42X2 F:Z1"X11.5

D1=25

I1=35.8 L1=59.3 S1=46 S2=46

1DN-42-20

E:M42X2 F:Z1.1/4"X11.5

D1=30

I1=36.3 L1=62.8 S1=46 S2=50

1DN-52-24

E:M52X2 F:Z1.1/2"X11.5

D1=38

I1=39.8 L1=70.8 S1=55 S2=60

Note: In case if you are interested to order the adapter in complete set with cutting ring and nut, it is necessary to insert suffix "RN" after our part NO., for example 1DN-30-12RN.