
Apeks Marine Equipment Ltd is a diving equipment manufacturer founded by Eric Partington and Ken Ainscough, keen divers and engineers. The brand is established in the United Kingdom. The success of the company is based on the design of the best equipment and the high quality standards assured by strict control procedures. Through constant innovation and development, Apeks has grown into a major player in the diving industry. In 2004, Apeks was the first diving manufacturer to have been awarded with ISO 14001. What is more, the company works in an environmentally friendly way to minimize its negative impact on the environment.
Apeks Regulators are the benchmark regulator in the UK and are used by numerous militaries around the world. There is a reason for this – they are built like tanks. Most of the Apeks line of first stages such as the Apeks DS4 are made from a single piece of brass with a minimal number of moving parts. The Apeks Flight line of regulators are designed for the travelling diver. The Apeks Side Mount Set contains all you need to add regulators to a side mount system.
Apeks Regulators are excellent for technical and recreational diving thanks to their amazing ruggedness allowing them to perform exactly when you need them to. As an Apeks service centre we can also service all Apeks models as well as make modifications such has changing which side a second stage feeds, or changing a first stage from a-clamp to DIN.

APEKS XTX200 TUNGSTEN 1st Stage & Regulator
- Extremely hard exterior coating
- All medium pressure ports are 3/8” UNF allowing the reversible XTX second stage to be mounted to either side of the first stage
- Balanced for excellent, dependable performance
- Fitted with an environmental dry kit, this keeps out water and therefore contaminants, also improves resistance to freezing
- Tough 300 BAR DIN hand wheel is made using two shot moulding process
- Co-moulded yoke knob with new cosmetic ring
- Nitrox ready to 40% oxygen, brand new, out of the box
- Forged body is robust and compact
- 4 3/8″ UNF angled medium pressure ports
- 2 7/16″ UNF angled high pressure ports
- Removable Arcap valve seat

APEKS XTX200 1st Stage & Regulator
The XTX 200 is the flagship of the Apeks regulator range. A cold water rated, fully balanced primary regulator with environmental seal.
The FSR first stage uses a balanced diaphragm design for high performance and air flow at any depth and cylinder pressure. Air is supplied via four low pressure and two high pressure ports configured in easy hose routing positions. Cold water protection is provided by using a dry environmental seal to prevent ice crystal forming on the main spring and critical components that could lead to a free flow. The seal also provides contamination and chemical damage protection for soft material parts such as o-rings and the diaphragm.

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