Delrin DIN Regulator Dust Cap
High-Grade Machined Delrin | Fits 200 Bar & 300 Bar DIN First Stages | Includes Lanyard
Protect your scuba regulator's delicate threads and sealing O-ring with the heavy-duty Delrin DIN Regulator Dust Cap. Unlike cheap slip-on rubber caps that fall off during transport or press water past the inlet filter during gear washing, this solid Delrin cap threads directly into your DIN first stage to create an airtight, watertight seal.
Machined from corrosion-proof Delrin polymer, it stands up to harsh salt exposure, heavy boat handling, and travel bags. Compatible with both 5-thread (200 bar) and 7-thread (300 bar) DIN valves, it features an integrated nylon cord lanyard so it stays securely tethered to your regulator hose at all times.
Superior Protection for High-Pressure First Stages
Washing your regulator with an unsealed or loose cap is one of the leading causes of internal first-stage water contamination. A threaded Delrin cap seals the inlet tightly, allowing you to thoroughly rinse your regulator in freshwater soak tanks without risking moisture intrusion into the delicate first-stage mechanism.
Key Features and Highlights
- Machined Solid Delrin Construction: Precision-machined for maximum impact strength and total immunity to saltwater corrosion.
- Precision Threaded Fit: Threads securely into your DIN connection to guard male threads against damage, dings, and debris.
- Watertight Seal During Rinsing: Seals against the first-stage O-ring to prevent accidental water ingress in rinse tanks.
- Universal DIN Compatibility: Works seamlessly with all standard 200 Bar (G 5/8") and 300 Bar DIN regulator first stages.
- Included Nylon Lanyard: Heavy-duty cord loop prevents loss by keeping the cap attached to your first stage body or hose.
Technical Specifications
| Material | Machined Delrin (Acetal Homopolymer) |
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