Is the DDC dry-cut connector plug with GW, aluminum compatible with ADR/IMDG transport regulations for hazardous liquid transfer?

Yes. The DDC dry-cut connector plug with GW, aluminum is compatible with ADR/IMDG transport regulations for hazardous liquid transfer. It is specifically designed for road, rail and marine transport and for use in petrochemical and chemical industries. The product meets safety, environmental protection and reliability requirements for transfer of hazardous, toxic or expensive liquids, and the couplings comply with ADR and IMDG (as well as ATEX, RID, pressure directive 97/23/EC). It is manufactured to NATO STANAG 3756 and ATOFINA SGM 2049.TUY.C. standards, holds CEFIC recommendation, provides positive shut-off via piston valve to eliminate leaks, uses Viton Oâring and PTFE gasket, and is rated to 10 bar and â25Â°C to +80Â°C . all supporting regulatory-compatible safe transfer under ADR/IMDG.

Can the DDC dry-cut connector plug with GW, aluminum be used for transferring flammable or corrosive liquids under ATEX conditions?

Yes - the DDC dry-cut connector plug with GW, aluminum can be used for transferring flammable or corrosive liquids under ATEX conditions, provided installation and application follow specified limits. Rationale: the DDC dry-cut connector plug with GW, aluminum is manufactured to ATEX and other international transport and safety standards (TDT, ADR, RID, IMDG, pressure directive 97/23/EC), meets CEFIC recommendation, and features a leak-free piston valve design with Viton Oâring and PTFE gasket suitable for many aggressive fluids. Operational limits: max 10 bar, temperature range â25Â°C to +80Â°C. Ensure chemical compatibility with Viton/PTFE for specific corrosive media, verify ATEX zone classification and grounding/earthing and userâs installation complies with relevant regulations before use.

Does the DDC dry-cut connector plug with GW, aluminum require special maintenance for seal integrity when transporting toxic liquids?

No special maintenance beyond standard inspection and O-ring/gasket care is required, provided you follow recommended procedures and intervals. Explanation: The DDC dry-cut connector plug with GW, aluminum is designed for safe transfer of hazardous and toxic liquids: piston-valve operation eliminates leakage at disconnect, and seals are specified as Viton O-rings and PTFE flat gaskets rated for â25Â°C to +80Â°C and up to 10 bar. It meets NATO STANAG 3756, ATEX, ADR/RID/IMDG, EN pressure directive 97/23/EC and has CEFIC recommendation, so routine maintenance focused on seal integrity is sufficient. Recommended routine actions: - Visual inspection before each use for cuts, swelling, chemical attack, hardening or extrusion of the Viton O-ring and for damage to the PTFE gasket. - Replace seals at defined intervals or immediately if damage/chemical degradation is suspected. Follow manufacturer replacement intervals if provided. - Clean seals and sealing surfaces with compatible solvent; avoid aggressive chemicals that attack Viton or PTFE. - Verify valve/piston operation (smooth open/close) and absence of foreign debris. - Check torque and thread condition of the internal BSP connection and mountings. - Pressure-test per site procedures after maintenance or seal replacement. - Store spare O-rings/gaskets in original packaging away from heat, light, and solvents. If transporting substances known to aggressively attack Viton or PTFE, or operating outside the stated temperature/pressure range, consult the manufacturer for alternative seal materials or increased inspection/replacement frequency.

DDC dry-cut connector plug with GW, aluminum

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Additional information

Material	AL – aluminum

DDC dry disconnect coupling plug with internal BSP thread made of aluminum, widely used in road, rail, marine, aviation transport, as well as in the petrochemical, chemical, and pharmaceutical industries. Installed on the tank side. The plug design is based on a piston valve (opens during connection and closes when disconnecting the coupling, eliminating liquid leakage). Meets all safety, environmental protection, and reliability requirements for the transfer of hazardous, toxic, or expensive liquids. Manufactured according to NATO standard STANAG 3756 (DDC 2″, 2.1/2″, 3″ and 4″) and ATOFINA SGM 2049.TUY.C. (DDC 2″, 3″). The couplings comply with ATEX, TDT, ADR, RID, IMDG, pressure directive 97/23/EC. It also has the recommendation of the European Chemical Industry Council CEFIC. Sealing: o-ring (viton), flat gasket (PTFE). Working pressure: 10 bar. Operating temperature: from -25°C to +80°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Price	Quantity	Actions	Catalogue
MK-DDC-T414A1101B	DDC plug 119 mm with 3" BSP thread, Al, Viton, PUR	-	10	In stock	0 zł		Enquiry

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DDC dry disconnect coupling plug with internal BSP thread made of aluminum, widely used in road, rail, marine, aviation transport, as well as in the petrochemical, chemical, and pharmaceutical industries. Installed on the tank side. The plug design is based on a piston valve (opens during connection and closes when disconnecting the coupling, eliminating liquid leakage). Meets all safety, environmental protection, and reliability requirements for the transfer of hazardous, toxic, or expensive liquids. Manufactured according to NATO standard STANAG 3756 (DDC 2″, 2.1/2″, 3″ and 4″) and ATOFINA SGM 2049.TUY.C. (DDC 2″, 3″). The couplings comply with ATEX, TDT, ADR, RID, IMDG, pressure directive 97/23/EC. It also has the recommendation of the European Chemical Industry Council CEFIC. Sealing: o-ring (viton), flat gasket (PTFE). Working pressure: 10 bar. Operating temperature: from -25°C to +80°C.