MannTek Dry Cryogenic Couplings

MannTek Dry Cryogenic Couplings

• Self locking quick connect/disconnect coupling, to ISO21593 TS 18683.
• Suitable for the loading and unloading of cryogenic liquified gases (LNG, nitrogen, oxygen, argon, ethylene etc.) down to -196°C.
• Tank unit without swivel, typically fix mounted as filling connector for container discharge, fuel bunkering truck-to-ship, ship-to-ship, terminal-to-ship, loading/unloading of tank trucks, rail tankers and ships.
• Hose unit with swivel, typically mounted on hose assemblies & loading arms for temporary connection between storage tank & mobile transport units, e.g. for container discharge, fuel bunkering, loading/unloading of tank trucks, rail tankers and ships.
• Quick and safe connection of hose assemblies and loading arms to mobile and stationary tanks, under pressure and with minimised product loss.
• During the cool-down phase, no retightening of the connection is necessary as practiced with flanged or threaded connections.
• Both coupling parts are equipped with a flat poppet valve. For the connection, the hose unit is pushed onto the tank unit & coupled/sealed by turning the coupler clockwise by 15°.
• 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.
• Sizes range from 1" (DN25) up to 6" (DN150).
• Connections are NPT thread, DIN/ANSI flange - others on request.
• Pressure - can be coupled up to 7 bar line pressure.
• Working Pressure - DN25 - DN100 is 25 bar, DN150 is 16bar.
• Temperature - between -196°C up to +85°C.
• Material - Body: stainless steel 1.4404 (AISI 316L). O-rings: PTFE. 

Approvals/Certificates

• DCC couplings fulfil 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) and EN 14432.
• Type approval to DNV GL rules for Liquified gas carriers, type examination DNV GL for LNG transfer systems (ISO16904, EN1474-3).
• Bureau Veritas TAC 36873_A2_BV_2016, DNV Bauartzulassung P-14490, ClassNK Bauartzulassung TA15060M, TÜV TÜ.AGG 304-99, Lloyd's Register 0038/ATEX/HAM064017, TDT TDT-UW-21/16, EAC TC. No. RU д-SE.Mю62.B.02151