Technical Specifications
The document outlines the specifications for hydraulic couplings, adhering to ISO 7241 B standards and API 16D approval. The couplings are made of steel with a Zn-Fe (Cr III) finish and feature BSP-NPT threading. The working pressure is specified at 250 bar, and connection under residual pressure is not allowed.

Performance Parameters
Nominal sizes are provided with corresponding maximum working pressures, rated flow, maximum flow rates, and minimum burst pressures. For example, a nominal size of 13 mm has a maximum working pressure of 12.5 MPa, a rated flow of 10.5 l/min, and a minimum burst pressure of 25 MPa.

Design and Construction
The couplings use radial ball locking mechanisms and poppet occlusion. They are available in various sizes with specific dimensions and weights for both male and female threads.

Accessories
The document lists accessories such as plastic and metal dust caps for different nominal sizes, detailing their dimensions, weights, and materials (PVC or Aluminum).

Conversion Factors
Conversion factors are provided: 1 MPa equals 145.04 psi, and 1 liter equals 0.264 gallons.

Graphical Data
Graphs and tables illustrate pressure (P) in bar and psi against flow rate (Q) in GPM and l/min, providing a visual representation of performance metrics.