Regulator Tools

Tools for the Servicing of Regulators and O-Rings

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Intermediate Pressure Checker. This item is attached to the BC hose to check and adjust the pressure in the regulator's low pressure hoses.

For Servicing Scuba Regulators:

The best of the above probes is the 43140. These tools are used to remove O-rings, sediment, apply silicone grease, etc.

This multiwrench is used to remove the yolk and will eliminate the need for the 43250 and 43260 (above). It also has pin pairs (2 pair on each side) to fit into the holes on regulators so the parts may be unscrewed.

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OTHER SCUBA REGULATOR TOOLS USED FOR SERVICE:

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TANK PRESSURE GAUGES AND EQUILIZERS:

SCUBA REGULATOR HOSES:

SCUBA REGULATOR PORT ADAPTERS:

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Rubber: Buna N (black nitrile rubber). EPDM (Ethylene propylene diene methylene) are better than the Rubber but should not be used for high pressure pure oxygen. Viton O-rings are an oxygen-compatable fluorocarbon rubber.

This is a great collection of O-rings needed for various regulators' replacements. There are 12 each of 18 different O-rings.

This is one of the essential tools. On one side you attach the low pressure hose that goes to the 2nd stage of the regulator. The other side screws on to the second stage. Then when the first stage pressure is applied you are able to turn the low-pressure poppet seat in or out to set the breathing effort and stop second-stage leaks (with exception of leaks caused by excessive pressure coming from the first-stage). This is actually a screw driver inside the hose!

The 48101 and the gauge to the right, 43300 go together. They are usually found as the essential components to a Flow Bench. Buying them as separate items saves money. The blue hose attaches to the back of the Magnehelic gauge. The gauge is very sensitive, is precise, and measures the cracking effort of a regulator. The cracking effort is measured in inches of water!! The mouthpiece on the other end of the blue hose is inserted into or over the mouthpiece of the regulator that has been serviced. The operator draws on the other end and when the regulator starts giving air the cracking effort is measured on the gauge. Good regulators (easy to breathe with) have cracking efforts from < than 1.0 to 2.5" H2O. Crummy regulators many times have a greater cracking effort.

This tool is used to remove the deep-seated Schrader valve from the end of the BC hose to replace it (leaking?) or to service it.

Other than the above, we would suggest the purchase of Allen wrenches (Home Depot/Lowe's) in the following sizes: 5/32", 3/16", 1/4", and 5/16".

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ADDITIONAL DESCRIPTIONS OF THE ABOVE TOOLS:

Regulator Tool Kit: A kit with tools for the general repair of regulators. There are standard Allen wrenches, O-ring probe needle, Regulator Quick-tester (see description below), 1/8" Cap Spanner Wrench (see below), in-line second stage adjustment tool, and a Regulator Spanner Wrench
Regulator Intermediate Pressure Tester: A 4" gauge attaches directly to the second stage hose on a regulator. It is used to determine the secondary pressure and pressure creep. There is a push button for depressurization and repeat cycling of the pressure. It has a 200 psi relief valve. The gauge can be recalibrated by the dive shop.
Regulator Intermediate Pressure Quick Tester: This 2.5" hose connects directly to the BC hose. It is similar in function to the tester above.
Oxygen-compatible Regulator Lubricant: 2 oz. tube of Navy-approved perfluoropoly ether lubrication. It may be safely used in gas mixtures containing more than 21% oxygen levels.
DOW 111 Silicone Grease: High viscosity for regulator threads. Not suitable for moving parts in regulators.
DOW 7 Silicone Grease: Low viscosity for moving parts and O-rings inside regulators.
Regulator/Valve Test Stand: High-strength aluminum alloy. They picture shows the top and bottom view. The bottom has bolt holes for attaching it to a test bench. It has a 1/4" Female NPT fitting for attaching to a high pressure gas supply. The top has a female fitting that allows a scuba valve to be attached. The valve may then be tested. The valve may have a regulator attached so it may be tested.
Regulator Service Multi-Wrench: This tool will allow the service technician to tighten, loosen, and remove the following regulator parts: 1st stage piston caps; 1st stage yolk retaining nuts or air inlet bodies; detented HP seat retainers and body ports; detented 2nd stage poppet chamber ports.
3/16" Cap Spanner Wrench: Used to remove or tighten the piston caps on many regulators.
1/8" Cap Spanner Wrench: Same as the 3/16" but for smaller ports.
Heavy-duty Face Spanner: Articulated arms and replaceable detent pins.
Spanner Face Wrench: A "V" shaped wrench with hardened pins for engaging the detent holes in regulator high-pressure seat retainers, body and caps, or screw-out 2nd stage cover plates.
Regulator Submersion Bar: The bar has 2 identical regulator ports similar to the port that is found on a standard scuba tank valve. The regulator is attached to one of the ports and the compressor line to the other. The pressure can be delivered to the regulator at any pressure and the regulator can be checked for leaks above or underwater. 3200 psi service pressure.

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