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Superlok Compression Tube Fittings


Technical Specs

Primary Connection Range:
1/16" - 2" Fractional Tube
Secondary Connection Range:
1/16" - 2" NPT
Alt Primary Connection Range:
2mm - 38mm Metric Tube
Alt Secondary Connection Range:
1/8" - 1-1/2" ISO Taper (BSPT)
Pressure Rating:
Body Material:
Stainless - 316L - Passivated
Port Size:
Orifice Size:
Seal Type:
Double Ferrule
Seal Material:
316L Stainless
Seat Material:


Superlok Male Elbow Connectors connect tubing to female tapered threads and feature Superlok i-Fitting technology on all compression tube fitting connections between a 1/4" and 1".

Superlok i-Fitting tube fittings and valves are manufactured with the industry's only built-in gap gauge. During installation, the compression nut is simply tightened until the gap gauge rings pop off. When the gap gauge rings pop, it signals the installer to stop. This is the point of perfect compression and seal, which provides an added level of safety and accuracy for companies worldwide. For more information and installation instructions, check out our article and video.

Superlok brings the only game changer to the tube/compression fitting and valve market. This patented innovation ends leaks that are caused by improper tightening procedures, and from the failure to check the installation with a gap gauge, which all manufacturers require. The new, leak-free technology is so precise, that Superlok extends a lifetime warranty on all tube fittings and valves. If you want it done right the first time, get Superlok!

Contact MAKO Products to inquire about pricing or place an order.

Create a reliable connection between fractional tubing sitting at sharp angles with Superlok’s male threaded elbow fittings.

Utilize this hardware to quickly attach tubing to the female NPT threads in your system. It screws on and requires little to no additional preparation, making it an easy job for the installer. Due to its compact design, it’s also convenient to place in tighter spaces that might make installing methods difficult.

We understand the importance of 90° angles in tubing systems, which is why we offer many different sizes to fit with your other hardware. Superlok produces a fitting that’s durable and efficient in its construction, reducing particle entrapment and leak risk while improving the flow of liquid or gas.

You gain additional protection against leaks and other breaches through Mako Products’ i-Fitting system. You can eliminate the guesswork associated with tightening tubes into the fitting, as the red inspection check ring will pop off once you reach the optimal level of tightness.


Complete your next job with less stress and better results by using these male elbow fittings. Contact us today to correspond with our elite customer service team.

Cross Brand Part Number Look-Up

Size Superlok Swagelok Parker Hylok DK-LOK Hamlet Tylok Brennan Hoke SSP
1/16"T X 1/8"NPT SME-1-2N SS-100-2-2 1MSEL2N-316 CLMA1-2N-S316 DLM1-2N-S 769L_1/16 X 1/8 SS-1-DME-2 N2501-01-02-SS 1LM2316 ISSD1ME2
1/16"T X 1/4"NPT SME-1-4N SS-100-2-4 1MSEL4N-316 CLMA1-4N-S316 DLM1-4N-S 769L_1/16 X 1/4 SS-1-DME-4 N2501-01-04-SS 1LM4316 ISSD1ME4
1/8"T X 1/16"NPT SME-2-1N SS-200-2-1 2MSEL1N-316 CLMA2-1N-S316 DLM2-1N-S 769L_1/8 X 1/16 SS-2-DME-1 N2501-02-01-SS 2LM1316 ISSD2ME1
1/8"T X 1/8"NPT SME-2-2N SS-200-2-2 2MSEL2N-316 CLMA2-2N-S316 DLM2-2N-S 769L_1/8 X 1/8 SS-2-DME-2 N2501-02-02-SS 2LM2316 ISSD2ME2
1/8"T X 1/4"NPT SME-2-4N SS-200-2-4 2MSEL4N-316 CLMA2-4N-S316 DLM2-4N-S 769L _ 1/8 X 1/4 SS-2-DME-4 N2501-02-04-SS 2LM4316 ISSD2ME4
1/8"T X 3/8"NPT SME-2-6N SS-200-2-6 2MSEL6N-316 CLMA2-6N-S316 DLM2-6N-S 769L _ 1/8 X 3/8 SS-2-DME-6 N2501-02-06-SS 2LM6316 ISSD2ME6
1/8"T X 1/2"NPT SME-2-8N SS-200-2-8 2MSEL8N-316 CLMA2-8N-S316 DLM2-8N-S 769L _ 1/8 X 1/2 SS-2-DME-8 N2501-02-08-SS 2LM8316 ISSD2ME8
3/16"T X 1/8"NPT SME-3-2N SS-300-2-2 3MSEL2N-316 CLMA3-2N-S316 DLM3-2N-S 769L_3/16 X 1/8 SS-3-DME-2 N2501-03-02-SS 3LM2316 ISSD3ME2
3/16"T X 1/4"NPT SME-3-4N SS-300-2-4 3MSEL4N-316 CLMA3-4N-S316 DLM3-4N-S 769L_3/16 X 1/4 SS-3-DME-4 N2501-03-04-SS 3LM4316 ISSD3ME4
3/16T X 1/2"NPT SME-3-8N SS-300-2-8 3MSEL8N-316 CLMA3-8N-S316 DLM3-8N-S 769L_3/16 X 1/2 SS-3-DME-8 N2501-03-08-SS 3LM8316 ISSD3ME8
1/4"T X 1/16"NPT SMEI-4-1N SS-400-2-1 4MSEL1N-S316 CLMA4-1N-S316 DLM4-1N-S 769L_1/4 X 1/16 SS-4-DME-1 N2501-04-01-SS 4LM1316 ISSD4ME1
1/4"T X 1/8"NPT SMEI-4-2N SS-400-2-2 4MSEL2N-316 CLMA4-2N-S316 DLM4-2N-S 769L _ 1/4 X 1/8 SS-4-DME-2 N2501-04-02-SS 4LM2316 ISSD4ME2
1/4"T X 1/4"NPT SMEI-4-4N SS-400-2-4 4MSEL4N-316 CLMA4-4N-S316 DLM4-4N-S 769L _ 1/4 X 1/4 SS-4-DME-4 N2501-04-04-SS 4LM4316 ISSD4ME4
1/4"T X 3/8"NPT SMEI-4-6N SS-400-2-6 4MSEL6N-316 CLMA4-6N-S316 DLM4-6N-S 769L _ 1/4 X 3/8 SS-4-DME-6 N2501-04-06-SS 4LM6316 ISSD4ME6
1/4"T X 1/2"NPT SMEI-4-8N SS-400-2-8 4MSEL8N-316 CLMA-4-8N-S316 DLM4-8N-S 769L _ 1/4 X 1/2 SS-4-DME-8 N2501-04-08-SS 4LM8316 ISSD4ME8
1/4"T X 3/4"NPT SMEI-4-12N SS-400-2-12 4MSEL12N-316 CLMA4-12N-S316 DLM4-12N-S 769L _ 1/4 X 3/4 SS-4-DME-12 N2501-04-12-SS 4LM12316 ISSD4ME12
1/4"T X 1"NPT SMEI-4-16N SS-400-2-16 4MSEL16N-316 CLMA4-16N-S316 DLM4-16N-S 769L _ 1/4 X 1 SS-4-DME-16 N2501-04-16-SS 4LM16316 ISSD4ME16
5/16"T X 1/4"NPT SMEI-5-4N SS-500-2-4 5MSEL4N-316 CLMA5-4N-S316 DLM5-4N-S 769L_5/16 X 1/4 SS-5-DME-4 N2501-05-04-SS 5LM4316 ISSD5ME4
5/16"T X 3/8"NPT SMEI-5-6N SS-500-2-6 5MSEL6N-316 CLMA5-6N-S316 DLM5-6N-S 769L_5/16 X 3/8 SS-5-DME-6 N2501-05-06-SS 5LM6316 ISSD5ME6
5/16"T X 1/2"NPT SMEI-5-8N SS-500-2-8 5MSEL8N-316 CLMA5-8N-S316 DLM5-8N-S 769L _ 5/16 X 1/2 SS-5-DME-8 N2501-05-08-SS 5LM8316 ISSD5ME8
3/8"T X 1/8"NPT SMEI-6-2N SS-600-2-2 6MSEL2N-316 CLMA6-2N-S316 DLM6-2N-S 769L _ 3/8 X 1/8 SS-6-DME-2 N2501-06-02-SS 6LM2316 ISSD6ME2
3/8"T X 1/4"NPT SMEI-6-4N SS-600-2-4 6MSEL4N-316 CLMA6-4N-S316 DLM6-4N-S 769L _ 3/8 X 1/4 SS-6-DME-4 N2501-06-04-SS 6LM4316 ISSD6ME4
3/8"T X 3/8"NPT SMEI-6-6N SS-600-2-6 6MSEL6N-316 CLMA6-6N-S316 DLM6-6N-S 769L _ 3/8 X 3/8 SS-6-DME-6 N2501-06-06-SS 6LM6316 ISSD6ME6
3/8"T X 1/2"NPT SMEI-6-8N SS-600-2-8 6MSEL8N-316 CLMA6-8N-S316 DLM6-8N-S 769L _ 3/8 X 1/2 SS-6-DME-8 N2501-06-08-SS 6LM8316 ISSD6ME8
3/8"T X 3/4"NPT SMEI-6-12N SS-600-2-12 6MSEL12N-316 CLMA6-12N-S316 DLM6-12N-S 769L _ 3/8 X 3/4 SS-6-DME-12 N2501-06-12-SS 6LM12316 ISSD6ME12
3/8"T X 1"NPT SMEI-6-16N SS-600-2-16 6MSEL16N-316 CLMA6-16N-S316 DLM6-16N-S 769L _ 3/8 X 1 SS-6-DME-16 N2501-06-16-SS 6LM16316 ISSD6ME16
1/2"T X 1/8"NPT SMEI-8-2N SS-810-2-2 8MSEL2N-316 CLMA8-2N-S316 DLM8-2N-S 769L _ 1/2 X 1/8 SS-8-DME-2 N2501-08-2-SS 8LM2316 ISSD8ME2
1/2"T X 1/4"NPT SMEI-8-4N SS-810-2-4 8MSEL4N-316 CLMA8-4N-S316 DLM8-4N-S 769L _ 1/2 X 1/4 SS-8-DME-4 N2501-08-04-SS 8LM4316 ISSD8ME4
1/2"T X 3/8"NPT SMEI-8-6N SS-810-2-6 8MSEL6N-316 CLMA8-6N-S316 DLM8-6N-S 769L _ 1/2 X 3/8 SS-8-DME-6 N2501-08-06-SS 8LM6316 ISSD8ME6
1/2"T X 1/2"NPT SMEI-8-8N SS-810-2-8 8MSEL8N-316 CLMA8-8N-S316 DLM8-8N-S 769L _ 1/2 X 1/2 SS-8-DME-8 N2501-08-08-SS 8LM8316 ISSD8ME8
1/2"T X 3/4" SMEI-8-12N SS-810-2-12 8MSEL12N-316 CLMA8-12N-S316 DLM8-12N-S 769L _ 1/2 X 3/4 SS-8-DME-12 N2501-08-12-SS 8LM12316 ISSD8ME12
1/2"T X 1"NPT SMEI-8-16N SS-810-2-16 8MSEL16N-316 CLMA8-16N-S316 DLM8-16N-S 769L _ 1/2 X 1 SS-8-DME-16 N2501-08-16-SS 8LM16316 ISSD8ME16
5/8"T X 1/4"NPT SMEI-10-4N SS-1010-2-4 10MSEL4N-316 CLMA10-4N-S316 DLM10-4N-S 769L_5/8 X 1/4 SS-10-DME-4 N2501-10-04-SS 10LM4316 ISSD10ME4
5/8"T X 3/8"NPT SMEI-10-6N SS-1010-2-6 10MSEL6N-316 CLMA10-6N-S316 DLM10-6N-S 769L _ 5/8 X 3/8 SS-10-DME-6 N2501-10-06-SS 10LM6316 ISSD10ME6
5/8"T X 1/2"NPT SMEI-10-8N SS-1010-2-8 10MSEL8N-316 CLMA10-8N-S316 DLM10-8N-S 769L _ 5/8 X 1/2 SS-10-DME-8 N2501-10-08-SS 10LM8316 ISSD10ME8
5/8"T X 3/4"NPT SMEI-10-12N SS-1010-2-12 10MSEL12N-316 CLMA10-12N-S316 DLM10-12N-S 769L_5/8 X 3/4 SS-10-DME-12 N2501-10-12-SS 10LM12316 ISSD10ME12
5/8"T X 1"NPT SMEI-10-16N SS-1010-2-16 10MSEL16N-316 CLMA10-16N-S316 DLM10-16N-S 769L_5/8 X 1 SS-10-DME-16 N2501-10-16-SS 10LM16316 ISSD10ME16
3/4"T X 1/4"NPT SMEI-12-4N SS-1210-2-4 12MSEL-4N-316 CLMA12-4N-S316 DLM12-4N-S 769L_3/4 X 1/4 SS-12-DME-4 N2501-12-04-SS 12LM4316 ISSD12ME4
3/4"T X 3/8"NPT SMEI-12-6N SS-1210-2-6 12MSEL6N-316 CLMA12-6N-S316 DLM12-6N-S 769L_3/4 X 3/8 SS-12-DME-6 N2501-12-06-SS 12LM6316 ISSD12ME6
3/4"T X 1/2"NPT SMEI-12-8N SS-1210-2-8 12MSEL8N-316 CLMA12-8N-S316 DLM12-8N-S 769L _ 3/4 X 1/2 SS-12-DME-8 N2501-12-08-SS 12LM8316 ISSD12ME8
3/4"T X 3/4"NPT SMEI-12-12N SS-1210-2-12 12MSEL12N-316 CLMA12-12N-S316 DLM12-12N-S 769L _ 3/4 X 3/4 SS-12-DME-12 N2501-12-12-SS 12LM12316 ISSD12ME12
3/4"T X 1"NPT SMEI-12-16N SS-1210-2-16 12MSEL16N-316 CLMA12-16N-S316 DLM12-16N-S 769L _ 3/4 X 1 SS-12-DME-16 N2501-12-16-SS 12LM16316 ISSD12ME16
7/8"T X 1/2"NPT SMEI-14-8N SS-1410-2-8 14MSEL8N-316 CLMA14-8N-S316 DLM14-8N-S 769L_7/8 X 1/2 SS-14-DME-8 N2501-14-08-SS 14LM8316 ISSD14ME8
7/8"T X 3/4"NPT SMEI-14-12N SS-1410-2-12 14MSEL12N-316 CLMA14-12N-S316 DLM14-12N-S 769L_7/8 X 3/4 SS-14-DME-12 N2501-14-12-SS 14LM12316 ISSD14ME12
1"T X 3/8"NPT SMEI-16-6N SS-1610-2-6 16MSEL6N-316 CLMA16-6N-S316 DLM16-6N-S 769L_1 X 3/8 SS-16-DME-6 N2501-16-06-SS 16LM6316 ISSD16ME6
1"T X 1/2"NPT SMEI-16-8N SS-1610-2-8 16MSEL8N-316 CLMA16-8N-S316 DLM16-8N-S 769L _ 1 X 1/2 SS-16-DME-8 N2501-16-08-SS 16LM8316 ISSD16ME8
1"T X 3/4"NPT SMEI-16-12N SS-1610-2-12 16MSEL12N-316 CLMA16-12N-S316 DLM16-12N-S 769L _ 1 X 3/4 SS-16-DME-12 N2501-16-12-SS 16LM12316 ISSD16ME12
1"T X 1"NPT SMEI-16-16N SS-1610-2-16 16MSEL16N-316 CLMA16-16N-S316 DLM16-16N-S 769L _ 1 X 1 SS-16-DME-16 N2501-16-16-SS 16LM16316 ISSD16ME16
1-1/4"T X 3/4"NPT SMEI-20-12N SS-2000-2-12 20MSEL12N-316 CLMA20-12N-S316 DLM20-12N-S 769L_1-1/4 X 3/4 SS-20-DME-12 N2501-20-12-SS 20LM12316 ISSD20ME12
1-1/4"T X 1"NPT SMEI-20-16N SS-2000-2-16 20MSEL16N-316 CLMA20-16N-S316 DLM20-16N-S 769L_1 1/4 X 1 SS-20-DME-16 N2501-20-16-SS 20LM16316 ISSD20ME16
1-1/4"T X 1-1/4"NPT SMEI-20-20N SS-2000-2-20 20MSEL20N-316 CLMA20-20N-S316 DLM20-20N-S 769L_1 1/4 X 1 1/4 SS-20-DME-20 N2501-20-20-SS 20LM20316 ISSD20ME20
1-1/2"T X 1-1/2"NPT SMEI-24-24N SS-2400-2-24 24MSEL24N-316 CLMA24-24N-S316 DLM24-24N-S 769L_1 1/2 x 1 1/2 SS-24-DME-24 N2501-24-24-SS 24LM24316 ISSD24ME24
2"T X 2"NPT SMEI-32-32N SS-3200-2-32 32MSEL32N-316 CLMA32-32N-S316 DLM32-32N-S 769L_2 X 2 SS-32-DME-32 N2501-32-32-SS 32LM32316 ISSD32ME32

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