Quick Connect Tube Fittings
swtwater.com The SI Range of Superseal Fittings
 
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The SI Range of Superseal Quick Connect Tube Fittings  

Superseal is suitable for potable
liquids and other food quality
applications.

   
For Use With Stainless Steel Tubing

Superseal connection diagram 2Superseal connection diagram 1

Superseal
is a special fitting designed to provide extra grip on hard steel, stainless steel, and other polished metal tubing. The Superseal design features a collet with integrally molded stainless steel teeth similar to the standard Super Speedfit design, but incorporating an additional hand-operated nut and wedge shaped plastic washer to apply extra pressure to the collet and the double O-ring seals. This ensures that the collet teeth bite thoroughly into the tube to provide grip while at the same time, compressing the O-rings to further enhance sealing.



Male Connector —
Superseal to BSPT Thread
Male Connector - Superseal to BSPT Thread
Part
Number
Seal
OD
x Thread
BSPT
SM010802S 5/16 x 1/4


Male Connector —
Superseal to BSPP Thread
Male Connector - Superseal to BSPP Thread
Part
Number
Seal
OD
x Thread
BSPP
SM010812S 5/16 x 1/4


Flare Male Connector —
Superseal to MFL Thread
Flare Male Connector - Superseal to MFL Thread
Part
Number
Seal
OD
x Thread
MFL
SM0108F4S 5/16 x 1/4
SM0108F6S 5/16 x 3/8


Union Connector —
Superseal to Superseal
Union Connector - Superseal to Superseal
Part
Number
Seal
OD
- Seal
OD
SM410808E 5/16 - 5/16


Barb Connector —
Superseal to Barb
Barb Connector - Superseal to Barb
Part
Number
Seal
OD
- Tube
ID
SI270808S 1/4 - 1/4
SI271008S 5/16 - 1/4
SI271208S 3/8 - 1/4
 
Union Connector —
Superseal to Superfit
Union Connector - Superseal to Superfit
Part
Number
Seal
OD
- Fit
OD
SM040808S 5/16 - 5/16
SI041012S 5/16 - 3/8
SI041210S 3/8 - 5/16
SI041212S 3/8 - 3/8


Union Elbow — Superseal to Superseal
Union Elbow - Superseal to Superseal
Part
Number
Seal
OD
- Seal
OD
SM400808S 5/16 - 5/16
SI401210S 3/8 - 5/16
SI401212S 3/8 - 3/8


Union Elbow — Superseal to Speedfit
Union Elbow - Superseal to Superfit
Part
Number
Seal
OD
- Fit
OD
SI030812S 1/4 - 3/8
SM030808S 5/16 - 5/16
SI031012S 5/16 - 3/8
SI031210S 3/8 - 5/16
SI031212S 3/8 - 3/8


Flow Bend Connector —
Superseal to Speedfit
Flow Bend Connector - Superseal to Superfit
Part
Number
Seal
OD
- Fit
OD
SM420808S 5/16 - 5/16
SI421012S 5/16 - 3/8
SI421210S 3/8 - 5/16
SI421212S 3/8 - 3/8


Superseal Spanner
Superseal Spanner
Part
Number
Size x Size
Span1 5/16 x 3/8




 

John Guest Adaptability

 
Standard Super Speedfit products can be coupled together to form integral new fittings.
 

adapt-2.gif (3219 bytes)

 


MORE JOHN GUEST PRODUCT INFORMATION

Installation | Technical Specification | PI Range | CI Range | PP Range | PPSV Range

SI Range | Metric-Size Push-In Fittings | LLDPE Tubing | Index



 
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Last Updated: June 18, 2025