The sizes indicate a combination of metric pipe outer diameter (mm) and imperial thread connection sizes (inches), designed to fit standard pipeline installations seamlessly.

"PCS/CTN" stands for Pieces Per Carton. It indicates the total number of individual product units packed inside each standard shipping carton for that specific size.

Yes, these specifications are engineered to meet standard industrial pressure requirements. For specialized high-pressure settings, please verify compatibility with the specific material grade ratings.

Products are securely grouped and packed in standardized cartons (quantities specified in the table) using protective inner layers to minimize movement and withstand long-distance shipping.

Absolutely. The standard sizing options from 20*1/2" up to 63*2" cover the most common dimensions used in both residential and light commercial water supply networks.