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| Product Group | Dry Gas Couplings | | Dry Gas Couplings | Example Pictures Hose Unit (Coupler): | Example Pictures Tank Unit (Adapter): | | Short Description | DGC
Self locking quick connect/disconnect coupling to EN 13760 / EN 13175, for the loading and unloading of liquefied petroleum gas LPG and various other media. |
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| Description | Hose unit with swivel, typically mounted on hose assemblies and loading arms for temporary connection to storage tanks and mobile transport units.
Tank unit without swivel, typically fix mounted as filling connector on storage tanks, mobile tanks, road tankers, rail tankers, containers and ship manifolds.
DN 25 as LPG fuelling connector for heavy duty vehicles to EN 13760.
DN 50 as LPG filling connector for trucks on liquid line or as vapor return on railcars to EN 13175 up to +80° C.
DN 80 as connector for railcars on liquid line to EN 13175. |
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| Comment | Quick and safe connection of hose assemblies and loading arms to mobile and stationary tanks, under pressure and with minimised liquid loss.
Both coupling parts are equipped with a flat poppet valve. For the connection, the hose unit is pushed onto the tank unit and coupled / sealed by turning the coupler clockwise by 15 degrees. When the unit is turned by 100 degrees, the valves move into the tank unit so that the medium can flow. When a similar turn is made counter-clockwise, the flow is stopped and the coupler can be pulled off. |
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| Sizes | 1" (DN 25) up to 8" (DN 200).
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| Connections | BSP/NPT thread, DIN/ANSI/TW/TTMA flange – others on request. |
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| Pressure | Working pressure PN 25. |
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| Temperature | -40° C up to +80° C, depending on O-Ring material. |
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| Material | Body: stainless steel – depending on type/size 1.4401 (AISI 316), 1.4404 (AISI 316L), 1.4408 (CF-8M) or 1.4409 (CF-3M).
O-Rings: Viton® (FPM LT/FKM LT) – others on request.
Flat seal (for female parallel thread connections only): polyurethane – others on request. |
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| Approvals / Certificates | DGC couplings fulfill the requirements of European Pressure Equipment Directive category 2 (for higher demand on request).
They are suitable for the use in potentially explosive atmosphere (ATEX) zone 1, approved for the transport of dangerous goods on road (ADR), by rail (RID) and ship (IMDG).
Specified as a fuelling connector for DME driven vehicles. Also suitable for other liquefied gases like ammonia, ethylene, propylene, butadiene and others.
TÜV TÜ.AGG 304-99, Lloyd’s Register 0038/ATEX/HAM064017,
TDT-UW-21/16, EAC TC No. RU Д-SE.MЮ62.B.02151 |
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| Product Sheet / Links | Overview Approvals |
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| Page 349a - 349b |
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| Brochure DGC-Couplings |
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| Homepage DGC-Couplings |
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| Application Photos DGC: | | | Animation DGC: |
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| Type of Coupling | Caps and Plugs| Product Name | Accessories |
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| Short Description | Caps and Plugs |
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