This is a DN 50 crown ring. The crown ring is a part of an MK coupling. It is made of stainless steel with a PTFE seal. The maximum pressure is 16 bar (232 psi).
A tank truck coupling consists of a VK-part (male) and an MK-part (female). The coupling is locked using the lever on the MK-part. The female part couples with the male part by turning the clamping lever. This tank truck coupling adheres the EN 14420-6 (DIN 28450) standard.
Pros:
- Adheres to the EN 14420-6 (DIN 28450) standard and is interchangeable with other brands
- The tank truck coupling has a large free flow area
- Stainless steel couplings have excellent corrosion resistance
Specifications
Material : Stainless steel
Nominal diameter (mm) : 50
Seal material : Teflon (PTFE)
Max temperature (°C) : 80
Min temperature (°C) : -20
Quality of material : Stainless steel 316 (1.4401)
Max pressure at 20 °C (bar) : 16
Standard : EN 14420-6 (DIN 28450)

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