🚰 EN 253 / EN 13941 (Direct-Buried Pre-Insulated Steel, Polyurethane Foam U-Value)

District Energy Pre-Insulated Piping Calculator

Calculate thermal heat gain (BTU/hr per linear foot) and temperature rise for direct-buried pre-insulated bonded piping networks (LOGSTOR / Thermaflex) distributing chilled water under EN 253 & EN 13941: calculate rigid polyurethane foam (PUR) insulation thermal conductivity, HDPE outer casing thickness, and district piping contracting profits.

1. Project & Operating Inputs

District Loop Trench Length (Linear Feet e.g. 6,500 Linear Feet Pipe)

Carrier Pipe Outer Diameter (Inches e.g. 18.0" Bonded Steel Carrier Pipe)

Customer Bid Price for Supplied, Welded & Direct Buried Pipe ($ / Lin Ft)

LOGSTOR EN 253 Pipe, Fusion-Welded Joints, Trench Excavation & Tech ($ / Ft)

2. Financial Breakdown & Yield

EN 253 PRE-INSULATED PIPING

Turnkey District Piping Trenching Profit

District Energy Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost