Stainless Steel Pipe Fittings / Plug

Stainless Steel Pipe Fittings / Plug

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This plug for fittings for stainless steel pipes can withstand high pressure, high temperature and low temperature.

Part Number

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the corresponding part number is displayed here.

SKPGK

[ ! ] Select the
same D dimension as that of stainless steel pipe fittings.

[M]Material: EN 1.4401 Equiv.

Specification Table

Part NumberT
SKUF4
SKUWE6
2
Part NumberSquare
Nut H
TypeD
SKPGK3.18 (1/8 inch)12
414
614
6.35 (1/4 inch)14
815.87
9.53 (3/8 inch)19
1019
1223
12.7 (1/2 inch)23

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 - Plugs 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
SKPGK3.18
SKPGK4
SKPGK6
SKPGK6.35
SKPGK8
SKPGK9.53
SKPGK10
SKPGK12
SKPGK12.7
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSPipe O.D. D (A1)
(Ø)

10.83 €

1 Available 5 Days 103.18

14.36 €

1 Available 5 Days 104

11.97 €

1 Available 5 Days 106

11.97 €

1 Available 5 Days 106.35

12.35 €

1 Available 5 Days 108

12.35 €

1 Available 5 Days 109.53

13.10 €

1 Available 5 Days 1010

17.39 €

1 Available 5 Days 1012

17.39 €

1 Available 5 Days 1012.7

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App. Example

Basic information

Type Fitting Material EN 1.4401 Equiv. Applicable Fluid Water / Air / Oil
Connection Type Others Material of Applicable Pipe Stainless Steel Pipes Surface Treatment Not Provided
Operating Temperature Range(°C) -196::600

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