SEALEXCEL® Fine-Lok™/ Well-Lok™ Tube fittings have been carefully designed and manufactured with continuous research and development backing to very stringent tolerances under rigid Quality Control procedures approved to ISO 9001-2000 quality management systems to provide zero leak, Torque free seal in instrumentation and process tubing.

MATERIAL

Tube fittings are available as standard stainless steel 316. The raw materials used confirm to chemical requirements listed in specification below...

HEAT TRACEABILITY

Stainless steel 316 Tube fittings are heat code traceable back to the original mill heat from which it was made.

PRESSURE RATING

Tube fitting are rated for working pressure higher than the tubing recommended in tubing data table..

TUBING SELECTION

Stainless steel 304 and 316 fully annealed seamless tubing according to standard ASTM A213 or ASTM A269

GAS SERVICE

Extra care must be taken while selecting tubing for gas application, In order to achieve a gas-tight seal, ferrules in instruments fittings must seal any minor surface imperfections.

PIPE END NPT AND ISO
PRESSURE RATINGS

Fitting that has both tube and pipe thread ends can have different pressure ratings. The pipe end pressure ratings chart ...

Tube Fittings consist of four precision component such as Nut, Back Ferrule, Front Ferrule and Body.

CONSTRUCTION OF
FINE-LOK TUBE FITTINGS

Tube Fittings consist of three precision component such as Nut, Single Ferrule and Body.

INSTALLATION INSTRUCTION

Ensure that, the end of the tube is cut square and free from burrs without causing  undue chamfering of the tube end.

PIPE THREAD INFORMATION

Pipe fittings are available with NPT/BSP/ISO and SAE/MS straight thread.

ORDERING INFORMATION

The part Number describes completely assembled Fine-Lok / Well-Lok  Tube fittings.

CONSTRUCTION OF
WELL-LOK TUBE FITTINGS
TUBE FITTING pdf catalog
TUBE FITTING
PDF CATALOG
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GENERAL INFORMATION
Male Connector (ISO Parallel Thread-RS)

Male Connector (ISO Parallel Thread -RS)

High Pressure Stainless Steel Fittings


For fractional tube to Female ISO Parallel pipe thread connection
Male Connector (ISO Parallel Thread -RS)

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Male Connector (ISO Parallel Thread-RS)

For metric tube to Female ISO Parallel pipe thread connection


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Tube Fittings

Manufacturer of Well-Lok Tube Fittings

Precision Pipe Fittings

Precision Pipe Fittings

Ball Valves

Ball Valves

Ball Valves (High Pressure)

Ball Valves

Three Way Ball Valves

Ball Valves

Needle Valves

Ball Valves

Rising Stem Plug Valves

Ball Valves

Gauge/Root Valves

Ball Valves

Purge Valves

Ball Valves

Bleed Valves

Ball Valves

Toggle Valves

Ball Valves

Check Valves

Ball Valves

Manifold Valves

Ball Valves

Monoflange Valves

Monoflange Valves

Integral Block Bleed Valves

INTEGRAL BLOCK & BLEED VALVES

Micron In-Line Filters

Ball Valves
FEATURES & BENEFITS
Tube Fittings in SS316 are traceable
to certified material test report.

MATERIAL TRACEABILITY


Extend the fittings life by preventing
galling across a wide range of
temperature.

SILVER PLATED NUT


The leading edge of back ferrules
are case hardened.
Ensure strong Tube grip.

BACK FERRULES


Precision Machined to very close
tolerances by monitoring critical
dimensions, surface finish, run out
and sharp edges.

FRONT FERRULES


SEALEXCEL® manufacture each
and everycomponents of Tube
Fittings to very close tolerances

GAUGEABILITY


Manufactured to maximum tolerances.

PIPE THREADS


The Design of SEALEXCEL®
Well-Lok™ Twin Ferrule Tube Fittings
are similar to certain other
well-known Fittings manufacturers

INTER-CHANGEABILITY

37 Flare Tube FIttings

Tube FIttings as per DIN 2353

Precision Pipe Fittings

Quick Connect Couplings

Ball Valves

Swivel Joints

Ball Valves
HYDRAULIC
APPLICATIONS
PNEUMATIC
APPLICATIONS

SS Push in Fittings

SS Push on Fittings

Precision Pipe Fittings

Check Valves

Ball Valves

Flow Control Regulators

Ball Valves

Quick Exhaust Valves

Ball Valves

Quick Connect Couplings

Ball Valves
INSTRUMENTATION APPLICATIONS
A slight taper in the base of the tube
socket in the Fitting body.

SIZING ANGLE


TUBE

OD

BSPP MALE THREAD

DIMENSIONS IN INCH

PART NO.

T

P

B

E

F

Fd

G

L

Well-Lok

Fine-Lok

1/8

1/8

0.28

0.09

9/16

0.54

7/16

0.92

MC-125-125RS

SMC-125-125RS

1/8

1/4

0.44

0.09

3/4

0.71

7/16

1.13

MC-125-250RS

SMC-125-250RS

1/8

3/8

0.44

0.09

7/8

0.86

7/16

1.17

MC-125-375RS

SMC-125-375RS

1/4

1/8

0.28

0.16

9/16

0.54

9/16

0.98

MC-250-125RS

SMC-250-125RS

1/4

1/4

0.44

0.19

3/4

0.71

9/16

1.19

MC-250-250RS

SMC-250-250RS

1/4

3/8

0.44

0.19

7/8

0.86

9/16

1.24

MC-250-375RS

SMC-250-375RS

1/4

1/2

0.56

0.19

1-1/16

1.02

9/16

1.47

MC-250-500RS

SMC-250-500RS

3/8

1/4

0.44

0.23

3/4

0.71

11/16

1.25

MC-375-250RS

SMC-375-250RS

3/8

3/8

0.44

0.28

7/8

0.86

11/16

1.30

MC-375-375RS

SMC-375-375RS

3/8

1/2

0.56

0.28

1-1/16

1.02

11/16

1.53

MC-375-500RS

SMC-375-500RS

1/2

1/4

0.44

0.23

13/16

0.71

7/8

1.28

MC-500-250RS

SMC-500-250RS

1/2

3/8

0.44

0.31

7/8

0.86

7/8

1.30

MC-500-375RS

SMC-500-375RS

1/2

1/2

0.56

0.41

1-1/16

1.02

7/8

1.53

MC-500-500RS

SMC-500-500RS

3/4

1/2

0.56

0.47

1-1/16

1.02

1-1/8

1.53

MC-750-500RS

SMC-750-500RS

3/4

3/4

0.62

0.62

1-5/16

1.26

1-1/8

1.68

MC-750-750RS

SMC-750-750RS

1

1/2

0.56

0.47

1-3/8

1.02

1-1/2

1.72

MC-1000-500RS

SMC-1000-500RS

1

1

0.72

0.78

1-5/8

1.54

1-1/2

1.88

MC-1000-1000RS

SMC-1000-1000RS

 

 

 

TUBE

OD

BSPP MALE THREAD

DIMENSIONS IN MM

PART NO.

T

P

B

E

F

Fd

G

L

Well-Lok

Fine-Lok

3

1/8

7.1

2.4

14.0

13.8

11.0

23.4

MC-3-125RS

SMC-3-125RS

3

1/4

11.2

2.4

19.0

18.0

11.0

28.7

MC-3-250RS

SMC-3-250RS

4

1/8

7.1

2.4

14.0

13.8

12.0

24.1

MC-4-125RS

SMC-4-125RS

6

1/8

7.1

4.0

14.0

13.8

14.0

24.9

MC-6-125RS

SMC-6-125RS

6

1/4

11.2

4.8

19.0

18.0

14.0

30.2

MC-6-250RS

SMC-6-250RS

6

3/8

11.2

4.8

22.0

21.8

14.0

31.5

MC-6-375RS

SMC-6-375RS

6

1/2

14.2

4.8

27.0

26.0

14.0

37.3

MC-6-500RS

SMC-6-500RS

8

1/8

7.1

4.0

14.0

13.8

16.0

25.7

MC-8-125RS

SMC-8-125RS

8

1/4

11.2

6.4

19.0

18.0

16.0

31.0

MC-8-250RS

SMC-8-250RS

8

3/8

11.2

6.4

22.0

21.8

16.0

32.3

MC-8-375RS

SMC-8-375RS

8

1/2

14.2

6.4

27.0

26.0

16.0

38.1

MC-8-500RS

SMC-8-500RS

10

1/4

11.2

5.9

19.0

18.0

19.0

31.8

MC-10-250RS

SMC-10-250RS

10

3/8

11.2

7.9

22.0

21.8

19.0

33.0

MC-10-375RS

SMC-10-375RS

10

1/2

14.2

7.9

27.0

26.0

19.0

38.9

MC-10-500RS

SMC-10-500RS

12

1/4

11.2

5.9

22.0

18.0

22.0

32.5

MC-12-250RS

SMC-12-250RS

12

3/8

11.2

7.9

22.0

21.8

22.0

33.0

MC-12-375RS

SMC-12-375RS

12

1/2

14.2

9.5

27.0

26.0

22.0

38.9

MC-12-500RS

SMC-12-500RS

12

3/4

15.7

9.5

35.0

32.0

22.0

42.7

MC-12-750RS

SMC-12-750RS

16

3/8

11.2

7.9

24.0

26.0

25.0

33.8

MC-16-375RS

SMC-16-375RS

16

1/2

14.2

11.9

27.0

21.8

25.0

38.9

MC-16-500RS

SMC-16-500RS

18

1/2

14.2

11.9

27.0

26.0

30.0

38.9

MC-18-500RS

SMC-18-500RS

18

3/4

15.7

15.1

35.0

26.0

30.0

42.7

MC-18-750RS

SMC-18-750RS

20

1/2

14.2

11.9

27.0

32.0

32.0

40.4

MC-20-500RS

SMC-20-500RS

20

3/4

15.7

15.9

35.0

26.0

32.0

42.7

MC-20-750RS

SMC-20-750RS

22

3/4

15.7

15.9

35.0

32.0

32.0

42.7

MC-22-750RS

SMC-22-750RS

22

1

18.3

18.3

41.0

32.0

32.0

45.2

MC-22-1000RS

SMC-22-1000RS

25

3/4

15.7

15.9

35.0

39.0

38.0

45.2

MC-25-750RS

SMC-25-750RS

25

1

18.3

19.8

41.0

32.0

38.0

47.8

MC-25-1000RS

SMC-25-1000RS

 

 

 

Dimensions are for reference only and are subject to change without Notice
Dimensions are for reference only and are subject to change without Notice

TUBE

OD

BSPP MALE THREAD

SEALEXCEL PART NO.

T

P

Well-Lok

Fine-Lok

Twin Ferrule Tube Fittings

Single Ferrule Tube Fittings

1/8

1/8

MC-125-125RS

SMC-125-125RS

1/8

1/4

MC-125-250RS

SMC-125-250RS

1/8

3/8

MC-125-375RS

SMC-125-375RS

1/4

1/8

MC-250-125RS

SMC-250-125RS

1/4

1/4

MC-250-250RS

SMC-250-250RS

1/4

3/8

MC-250-375RS

SMC-250-375RS

1/4

1/2

MC-250-500RS

SMC-250-500RS

3/8

1/4

MC-375-250RS

SMC-375-250RS

3/8

3/8

MC-375-375RS

SMC-375-375RS

3/8

1/2

MC-375-500RS

SMC-375-500RS

1/2

1/4

MC-500-250RS

SMC-500-250RS

1/2

3/8

MC-500-375RS

SMC-500-375RS

1/2

1/2

MC-500-500RS

SMC-500-500RS

3/4

1/2

MC-750-500RS

SMC-750-500RS

3/4

3/4

MC-750-750RS

SMC-750-750RS

1

1/2

MC-1000-500RS

SMC-1000-500RS

1

1

MC-1000-1000RS

SMC-1000-1000RS

 

 

 

TUBE

OD

BSPP MALE THREAD

SEALEXCEL PART NO.

T

P

Well-Lok

Fine-Lok

Twin Ferrule Tube Fittings

Single Ferrule Tube Fittings

3

1/8

MC-3-125RS

SMC-3-125RS

3

1/4

MC-3-250RS

SMC-3-250RS

4

1/8

MC-4-125RS

SMC-4-125RS

6

1/8

MC-6-125RS

SMC-6-125RS

6

1/4

MC-6-250RS

SMC-6-250RS

6

3/8

MC-6-375RS

SMC-6-375RS

6

1/2

MC-6-500RS

SMC-6-500RS

8

1/8

MC-8-125RS

SMC-8-125RS

8

1/4

MC-8-250RS

SMC-8-250RS

8

3/8

MC-8-375RS

SMC-8-375RS

8

1/2

MC-8-500RS