Dixon model DDC-300SS.   This dry break is used but was a spare that was used a handful of times in 5 years.  It was last used about mid fall 2023 and worked perfectly. 

As listed on Dixons website:
Weight
20.25 lb
Break Quantity
0
Optional Package/Box Quantity
1
Material
316 Stainless Steel
Seal
FKM (FPM)
Female Thread
NPT
Body Size
119 mm
Working Pressure
360 PSI
Female Thread Size
3"


Applications

Dry disconnect couplings are designed for the quick and spill free connection and disconnection of hoses and pipelines. They are used by producers of ink, adhesives, fatty acids, pharmaceuticals, liquid soaps, petroleum, chemicals, agricultural and a wide variety of common caustic and specialty acids.

Compatibility & Interchange Data

Compatible with Mann-Tek, Avery Hardoll and Todo-matic® and any other product produced according to NATO standard STANAG 3756

Construction

  • Stainless steel ball bearings
  • All wetted parts are stainless steel
  • Rollers are Hastelloy C276 on the stainless steel shaft

  • Features

    • Coupler has built-in swivel
    • Shaft journal in stainless steel embedded in PTFE to eliminate seizure
    • The protective ring is a specially formulated, weather resistant and electrically conductive rubber compound
    • Selectivity - to avoid product contamination, selective versions of the couplers and adapters are available. Contact Dixon for further information.
    • Easy to handle - push and turn - free flow, turn and pull - closed
    • Time saving - no need to drain hoses or pipe systems
    • Economical - no loss or spillage of liquids at connection or disconnection
    • Safety - the valve cannot be opened until the unit is coupled
    • Environmental friendly - accidental spillage eliminated when properly used
    • Safe and reliable - due to rugged construction
    • Product life - uncomplicated design and high quality materials ensures long product life

    Safety Notes

    Working pressure is based on PSI at ambient temperature 70°F, for pressure ratings at other temperatures contact Dixon.

    Specifications

    Produced according to NATO standard STANAG 3756 and ATOFINA SGM 2049.TUY.C.

    Use

    Use with composite (Polyeten PE-HD 300) plugs for protection against corrosion; plugs withstand hot and cold environments.