eBay

SCUBA Yoke to SCBA Hand Tight Stainless Steel Fill Adapter — Firehouse Fire Dept

SCUBA / Dive

Fire Dept Surplus

SCUBA Yoke (K-Valve) to SCBA Hand-Tight
Fill Adapter — Stainless Steel

Firehouse Fill Adapter · CGA 346/347 SCBA Side · K-Valve Yoke SCUBA Side · USA Made

Stainless

Construction

K-Valve

SCUBA Yoke Side

CGA 346/347

SCBA Side

Hand-Tight

Connection

5000+ PSI

Rated (typical)

How It Works

🚒

SCBA Fill Whip

Firehouse cascade / fill station — CGA 346 or 347 hand-tight fitting

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🔩

This Adapter

Converts SCBA hand-tight fitting to standard SCUBA yoke (K-valve) interface

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🤿

SCUBA Tank

Standard K-valve scuba cylinder — filled from firehouse air supply

Specifications

Type

SCUBA Yoke → SCBA Hand-Tight Fill Adapter

Construction

Machined Stainless Steel throughout

SCBA Side (Hand-Tight)

CGA 346 / CGA 347 compatible — knurled hand-tight base

SCUBA Side

Standard Yoke / K-Valve interface

Pressure Rating

High pressure — verify before use (no rating stamp on this unit)

Markings

None — no part number or pressure stamp on this unit

Source

Fire department surplus / decommissioned equipment

Origin (typical)

USA Made (manufacturer not confirmed on this unit)

Function

Allows filling of standard SCUBA K-valve tanks from a firehouse SCBA cascade fill station — without swapping fill whips

Who Uses This

Fire departments with public safety dive teams — fill SCUBA tanks from existing SCBA cascade system
Dive shops located near or affiliated with fire stations
Search and rescue teams using both SCBA and SCUBA equipment
PSD (Public Safety Diver) operations — fills scuba tanks without a dedicated scuba compressor
Divers who have access to a firehouse fill station for top-offs

What's Included

✓SCUBA Yoke to SCBA Hand-Tight Stainless Steel Adapter — complete unit as shown
✕Fill whip / hose (not included)
✕O-rings or seals (condition of existing O-rings not verified)

Safety Note

High pressure breathing air equipment. This adapter is intended for use with compressed breathing air systems rated for SCBA/SCUBA pressures (3000–5000+ PSI). This unit has no visible pressure rating stamp. Have this adapter inspected and pressure-verified by a qualified technician before use. Replace O-rings before first use. Never use damaged or uncertified fittings on breathing air systems.

Condition

Used — good condition — fire department surplus. All machined surfaces are intact with no cracks, corrosion, or deformation visible. Knurled base grip is clean and undamaged. Internal bore and yoke interface appear undamaged. O-ring condition not verified — replace before use as standard practice. No functional pressure testing performed by seller. Sold as-is — please review all photos carefully before purchasing.