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O-Rings and Lubricants

The Scuba Doctor sells O-rings and lubricants suitable for use in scuba applications. For more information, please see our buyers guide to Scuba Diving O-Rings, or download/view our Scuba O-Ring Sizes Chart (Adobe PDF | 356.37 KB).

Tech Tip:
How Much and Where to Use Lubricant

Some people very sparingly lubricate the SPG swivel O-rings, but you should know that SPG and hose assemblies from our suppliers are never lubricated. If you do choose lube the SPG swivel o-rings, take care not to be so generous that lube might migrate up into the Bourdon tube mechanism and cause your SPG to become inaccurate.

Some people also sparingly lubricate the threads of valves before they are installed in the cylinder neck. Do NOT lubricate the neck O-ring itself, and do not lubricate the valve/regulator seal O-ring or DIN threads.

Most lubricant is used with dynamic seals in regulators and other equipment with moving parts. As a general rule, the O-rings used with static seals in SCUBA applications should not be lubricated at all. The lubricant just causes contamination to stick to the surface of the O-ring and results in more problems with a static seal than any dubious benefit the lubricant might provide.



Product Image Item Name- Price
McNett Silicone Grease - Silicone Lubricant (7g)

McNett Silicone Grease - Silicone Lubricant (7g)

McNett Silicone Grease Silicone Lubricant provides deep penetrating protection and long lasting conditioning. It extends the life of rubber, metal...
$10.00

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Dive Perfect O-ring Set for Stubby LED-1000 Dive Light

Dive Perfect O-ring Set for Stubby LED-1000 Dive Light

The Dive Perfect O-ring Set for the Stubby LED-1000 Dive Light is a must for the serious diver. The set includes three diver replaceable O-rings for...
$12.00  $10.00
Save: $2.00 (17%)


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IST Proline Mini Tank O-ring Kit with Brass Pick

IST Proline Mini Tank O-ring Kit with Brass Pick

The IST Proline Mini Tank shaped O-ring Kit with Brass Pick comes with four Common O-Rings for Valves, Hoses and more. The threaded cap of the tank...
$20.00  $16.00
Save: $4.00 (20%)


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IST Sports Silicone Grease / Mask Seal - 15g Tube

IST Sports Silicone Grease / Mask Seal - 15g Tube

This 15 gram tube of IST Sports Silicone Grease and Mask Seal is suitable for use on most dive gear that does not need to be Oxygen clean. Also great...
$12.00  $9.00
Save: $3.00 (25%)


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IST Sports Silicone Grease / Mask Seal - 60g Tub

IST Sports Silicone Grease / Mask Seal - 60g Tub

This large 60 gram tub of IST Sports Silicone Grease and Mask Seal is great value for money. Suitable for use on most dive gear that does not need to...
$18.00  $14.00
Save: $4.00 (22%)


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Miflex Hoses Service Box

Miflex Hoses Service Box

This Miflex Hoses Service Box is a nine compartment organiser case with the following components included: 1 x Schraider Inflator Valve Tool (IVRT) 6...
$70.50  $56.50
Save: $14.00 (20%)


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Nautilus Lifeline O-Ring 3-Pack

Nautilus Lifeline O-Ring 3-Pack

The Nautilus Lifeline O-Ring 3-Pack is a set of three replacement main seal O-rings for your original Nautilus Lifeline Marine VHF Radio and GPS...
$20.00

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Ocean Design Small O-Ring Kit (NBR)

Ocean Design Small O-Ring Kit (NBR)

The Ocean Design Small O-Ring Kit (NBR) is a dive O-ring kit with 18 different sizes of Nitrile Rubber (NBR) O-rings, 10 of each size, 180 O-rings in...
$60.00  $54.00
Save: $6.00 (10%)


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Sea & Sea O-Ring Removal Tool

Sea & Sea O-Ring Removal Tool

The Sea & Sea O-Ring Removal Tool has multiple pick and wedge surfaces for the gentle insertion of the tool under and around O-ring grooves so it...
$11.00  $10.00
Save: $1.00 (9%)


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Sea & Sea Sea O-Ring Set for YS-01 YS-02 YS-D1 Strobes

Sea & Sea Sea O-Ring Set for YS-01 YS-02 YS-D1 Strobes

The Sea & Sea O-ring Set for the Battery Cap of the YS-01, YS-02, YS-90 Series, YS-110 Series, YS-D1, YS-27 and YS-30 Underwater Strobes is a must...
$22.00  $21.00
Save: $1.00 (5%)


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Featured Products - Tech Diving

IST Proline Mini Tank O-ring Kit with Brass Pick

IST Proline Mini Tank O-ring Kit with Brass Pick
$20.00  $16.00
Save: $4.00 (20%)
IST Sports Silicone Grease / Mask Seal - 60g Tub

IST Sports Silicone Grease / Mask Seal - 60g Tub
$18.00  $14.00
Save: $4.00 (22%)

Monthly Specials For December

Sea & Sea Sea O-Ring Set for YS-250 PRO Strobes

Sea & Sea Sea O-Ring Set for YS-250 PRO Strobes
$32.00  $30.00
Save: $2.00 (6%)
Sea & Sea Silicone Grease for O-Rings

Sea & Sea Silicone Grease for O-Rings
$11.00  $10.00
Save: $1.00 (9%)

Sea & Sea O-Ring Removal Tool

Sea & Sea O-Ring Removal Tool
$11.00  $10.00
Save: $1.00 (9%)
IST Proline Mini Tank O-ring Kit with Brass Pick

IST Proline Mini Tank O-ring Kit with Brass Pick
$20.00  $16.00
Save: $4.00 (20%)

IST Sports Silicone Grease / Mask Seal - 60g Tub

IST Sports Silicone Grease / Mask Seal - 60g Tub
$18.00  $14.00
Save: $4.00 (22%)
IST Sports Silicone Grease / Mask Seal - 15g Tube

IST Sports Silicone Grease / Mask Seal - 15g Tube
$12.00  $9.00
Save: $3.00 (25%)

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