Stainless Steel Pipe Fittings / Threaded Adapter

Stainless Steel Pipe Fittings / Threaded Adapter

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This adapter with external thread for stainless steel pipe fittings can withstand high pressure, high temperatures and low temperatures.

Part Number

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SKMA
[M]Material: EN 1.4401 Equiv.

Specification Table

Part NumberT
SKUF4
SKUWE6
2
Part NumberR (PT)
T Selection
Dimensional DrawingT
R (PT)
LE1E2B1H
TypeD
SKMA41(1)1/830.552.591810
61(1)1/83453101912
2(1)1/43963131914
81(2)1/83456101912
2(3)1/43966131914
3(1)3/84086141917
102(2)1/44468132414
3(3)3/84588142417
123(2)3/849910142817

Features and Structure of Fittings

A stainless steel pipe fitting is composed of a main body, a front ferrule, a back ferrule and a nut.
Operating temperature range of Stainless Steel Pipe Fitting is -196 to 600°C.

Components Figure

Stainless Steel Pipe Fittings - Male Threaded Adapters Related Image 1_Features and Structure of Fittings

Allowable Operating Pressure by Thickness of Stainless Steel Pipe (MPa)

Pipe O.D. (mm)Thickness (mm)
0.51.01.52.0
430.761.5
641.061.5
6.35 (1/4 inch)38.758.1
830.746.1
9.53 (3/8 inch)25.838.7
1024.636.9
1220.530.741.0
12.7 (1/2 inch)19.329.038.7

Applicable Pipe Specification

  • Pipe Type: Stainless Steel Pipe
    Stainless steel pipes (JIS G3459) subject to
    EN 1.4301 Equiv. and EN 1.4401 Equiv. for stainless steel pipes
  • O.D. Tolerance: ±0.05 mm
  • Pipe Surface Hardness: HV190 or less (HRB90 or less)
  • Conditions of Pipe Surface: Avoid using pipes with defects such as surface roughness and scratches

Tightening Procedure of Fittings / How to Tighten After Removing

■ Tightening Procedure of Fittings 
Stainless Steel Pipe Fittings - Elbow Related Image 1_Tightening Procedure(1) Insert the pipe into the fitting until the pipe tip
hits the shoulder inside without removing the nut.



(2) Hand-tighten the nut until the end of its rotation.
   Put a mark on this position as ○ point.




(3) Hold the fitting body tightly with a wrench and tighten the nut with another wrench by the rotation
shown on the right.

CAUTION: For plastic tube connections, use Insert (SKITK) for tubes together without fail and tighten
ø4 to ø12.7 tubes by 1 1/4 to 1 1/2 rotations.

ø4 Type

ø6 to ø12.7 Type

Stainless Steel Pipe Fittings - Elbow Related Image 1_Tightening Procedure
   
■ How to Tighten after Removing 
Stainless Steel Pipe Fittings - Elbow Related Image 1_Tightening Procedure(1) Be sure to confirm the position of the nut before loosening it to remove the nut. (Standard position for tightening rotation)
   Make sure that front ferrule is applied at the appropriate position.
   Make sure that there is no foreign object on the tapered surface, front and rear of the body.



(2) Insert the pipe all the way until the front ferrule contacts closely, and then tighten the
nut by hand.
  (Insert carefully to avoid the tapered part on the main body being scratched by the pipe end.)



(3) Tighten a little more past the position before loosening by a wrench.

Position before Tighten the Nut

Retightened Position
(Tighten with a little more rotation)

Stainless Steel Pipe Fittings - Elbow Related Image 1_Tightening Procedure

Part Number:  

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Part Number
SKMA4-1
SKMA6-1
SKMA6-2
SKMA8-1
SKMA8-2
SKMA8-3
SKMA10-2
SKMA10-3
SKMA12-3
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSPipe O.D. D (A1)
(Ø)
Thread Nominal Drawing

13.10 €

1 Available 5 Days 1041/8

11.07 €

1 Available 5 Days 1061/8

11.58 €

1 Available 5 Days 1061/4

11.07 €

1 Available 5 Days -81/8

11.58 €

1 Available 5 Days 1081/4

13.60 €

1 Available 5 Days 1083/8

11.58 €

1 Available 5 Days 10101/4

13.60 €

1 Available 5 Days 10103/8

14.48 €

7.38 €

1 Available Same day

Stock

10123/8

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App. Example

Basic information

Type Related Components Type of Related Component Threaded Adapters Material EN 1.4401 Equiv.
Applicable Fluid Water / Air / Oil Material of Applicable Pipe Stainless Steel Pipes Connection Thread Type R (PT)
Surface Treatment Not Provided Operating Temperature Range(°C) -196::600

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