First Stage R4 TEC O2 WW M26x2 (EN250A > 10°C)

First stage with a wet chamber diaphragm, O2 version with M26x2 connector, designed specifically for warm and temperate water diving (>10°C). Ultra-compact, lightweight, and without an environmental protection diaphragm to avoid overbalancing effects at great depths. Ideal for rebreather supply, stage tanks, and travel.

The Tecline R4 TEC O2 WW (Warm Water), available at DIR-STORE, is an extremely lightweight and multifunctional first stage natively designed for use with pure Oxygen and hyperoxic Nitrox.

Made of chrome-plated marine bronze, it combines small dimensions and a low weight of only 600 grams, features that make it an excellent choice for technical divers who travel. The presence of the wet chamber, without an environmental isolation diaphragm, eliminates the risk of the first stage "overbalancing" (gas flow cutoff) at high depths. The M26x2 threading ensures full compliance with European regulations for Oxygen handling.

Main Features:

• Natively O2 Compatible Version: Equipped with a DIN M26x2 connector (according to EN 144-3 standard) and materials suitable for use with Oxygen and high-percentage Nitrox.
• Balanced Main Valve: Ensures constant and smooth delivery regardless of the pressure inside the tank.
• Wet Chamber Architecture: Designed to operate in waters with temperatures above 10°C, eliminating the effect of deep overbalancing.
• Ideal for Rebreathers and Stage: Optimized configuration with 4 LP ports (3/8" UNF) and 2 HP ports (7/16" UNF), excellent for integration on CCR machines and decompression tanks.
• Ultralight Travel Design: Compact marine bronze structure weighing only 600g, perfect for minimizing luggage weight for travel.

Technical Specifications:

• Brand: Tecline
• Model: R4 TEC O2 WW (Warm Water)
• Technology: Balanced diaphragm with wet chamber
• Body Material: Chrome-plated marine bronze
• Tank Connector: DIN M26x2 (O2 Standard / EN 144-3)
• Maximum Operating Pressure: 300 Bar
• Low-Pressure Outlets (LP): 4 ports
• High-Pressure Outlets (HP): 2 ports
• Weight: 600 g
• Certification: EN250A (>10°C)

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