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Product Summaries
Metal Seal
RS-Series
The RS-Series compact hydraulic coupling product line has been developed primarily for tubing hanger penetrator and subsea ROV flying lead connector applications where reduced size, weight, separating loads and travel distances are critical requirements.
Male Data Sheet (8/10)
Female Data Sheet (12/09)
Assembly Drawing (12/08)
UO-Series
The UO-Series hydraulic coupling product line has been developed in response to market demands for a smaller,
lighter and higher flow coupler that is able to operate under extreme working pressures in ultra deepwater.
Male Data Sheet (8/10)
Female Data Sheet (8/10)
Assembly Drawing (12/08)
TO-Series
The TO-Series hydraulic coupling product line has been developed for applications requiring the highest possible reliability, under the most severe working pressures, and is designed for a wide range of deepwater applications.
Male Data Sheet (8/10)
Female Data Sheet (8/10)
Assembly Drawing (12/08)
RO-Series
The RO-Series hydraulic coupling product line has been developed for hot stab diver or ROV make-up applications, used for subsea trees, control pods, manifolds and chemical injection.
Male Data Sheet (12/09)
Female Data Sheet (12/09)
Product Summary (3/04)
XS-Series
The XS-Series hydraulic coupling product line has been developed primarily for extreme service tubing hanger
penetrator applications where sustaining high pressures and high temperatures for the most critical requirements. (3/04)
TM-Series
The TM-Series hydraulic coupling product line has been developed for both surface and subsea applications
where manually threaded make-up connections are desired. (9/00)
Elastomer Seal
AS-Series
The AS-Series hydraulic coupling product line is our highest pressure rated elastomer seal coupling, designed for a wide range of applications of working pressures of up to 17,500 psi.
Male Data Sheet (8/10)
Female Data Sheet (8/10)
Assembly Drawing (12/08)
HCC-Series
The HCC-Series hydraulic coupling product line has been developed for general economical purposes and low-pressure applications. Generally the HCC is utilized for hydraulic umbilical junction plates and is not recommended for subsea applications. (3/04)
HO-Series
The HO-Series hydraulic coupling product line has been developed for various intermediate pressure applications
and is primarily utilized for hydraulic umbilical junction plate tie-ins, power units and shallow water
diver/ROV stab applications. (3/04)
AO-Series
The AO-Series hydraulic coupling product line is designed for ease of seal replacement and is adaptable to a wide range of applications including flyng lead connectors, umbilical terminations and subsea junction plate assemblies. (3/04)
M-Series
The M-Series hydraulic coupling product line has been developed for both surface and subsea manual connection applications that require the highest reliability of elastomer sealed, manually threaded couplings. (9/00)
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Design Requirement Data
Part Number Sequence
An explanation of the components of NCC part numbers.
General Design Requirements
General design requirements for the use of hydraulic couplings. (2/10)
Coupling Design Criteria
A spreadsheet to help you submit custom designed coupling requirements to NCC. (8/09)
Coupling Separating Forces
Data for: AO-Series, AS-Series, HCC-Series, HO-Series, RS-Series, TO-Series, UO-Series, XS-Series (9/03)
Seawater Ingress
Data for: TO-Series, UO-Series, RS-Series, XS-Series, AO-Series and AS-Series (7/03)
Dummy Coupling Options
A brief summary of the five Dummy Coupling options. (10/07)
Return Material Authorization
An explanation of the necessary steps to return purchased goods to NCC. (9/07)
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National Coupling Company (NCC) is the worldwide leader in the subsea oil & gas industry for hydraulic coupling technology, performance and installed base. NCC’s field-proven history is evidenced by the supply of more than 340,000 hydraulic couplings to subsea projects since 1976. We offer more than 3,000 different male and female coupling designs qualified for a broad range of subsea applications. The NCC hydraulic coupling product line provides significant benefits to equipment suppliers and operators in terms of packaging versatility and highest reliability as the industry moves into ultra deep water and XHPHT applications.
Each coupling series features unique design characteristics which allow our customers to meet the requirements of a broad range of subsea applications. These applications range from low pressure, shallow water connections to the most critical component of high pressure, high temperature (HPHT) and ultra deep water depths in operation today. As XHPHT projects continue to raise the bar, NCC continues to answer the industry’s call for increased temperature and working pressure requirements.
NCC’s couplings have been installed in subsea applications including, but not limited to:
• Subsea Trees
• Tubing Hanger Penetrators
• Production Control Systems
• Drilling Control Systems
• ROV Hydraulic Flying Leads
• Chemical Injection Systems
• Installation / Workover Control Systems
• ROV Hot Stabs
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