PV-CALC

Calorifier & Pressure Vessel Multi-Code Design Calculator

Active Codes: EN 13445-3 | PD 5500 | ASME VIII Div. 1 | ASME VIII Div. 2 (DBA)

Engineering Calculation Datasheet Emirates District Cooling & Energy | SS 316L (1.4404 / SA-240 Tp.316L)

Central DHW Plant — Calorifier Package

Equipment: Domestic Hot Water Storage Calorifier

Multi-Standard Mechanical Sizing: Cylindrical Shell, Dished Ends & DBA Stress Assessment

Equipment Tag: CAL-101A
Orientation: Horizontal
Engineer / Rev: J. Sterling / Rev 0
Storage Volume: 2,352 L
Empty / Oper. Weight: 438 / 2,320 kg

Section 1 — Design Pressure & Hydrostatic Load Derivation

PTOTAL = PDESIGN + ρ·g·H
Operating MAWP
1.000 MPa
10.00 bar
Top Design Pressure (Pd)
1.000 MPa
+0% Margin (10.00 bar)
Static Liquid Head (Ph)
0.020 MPa
H = 2.6 m (0.20 bar)
Total Calc Pressure (P)
1.020 MPa
10.20 bar (Governing)

Input Design Basis & Weights

Customer / Client: Emirates District Cooling
Product / Equipment: DHW Storage Calorifier
Material Spec: SS 316L (1.4404)
Inside Dia (Di) / Len (Lcyl): 1250 / 1500 mm
Dished-End Geometry: 2:1 Ellipsoidal Head
Design Temp / Density: 85 °C / 800 kg/m³
Yield / Tensile (Rp0.2 / Rm): 175 / 485 MPa
Joint Factors (EL / EC / z): 1.00 / 1.00 / 1.00
Allowances (c1 corr / c2 form): 0.0 / 0.0 mm
Empty / Oper. / Test Wt: 438 / 2,320 / 2,790 kg
Calorifier Geometry & Thickness Comparison
2:1 Ellipsoidal Head
EN 13445-3 (Shell / Head) 5.5 / 9.1 mm
PD 5500 (Shell / Head) 5.5 / 5.5 mm
ASME VIII Div.1 (Shell / Head) 5.5 / 5.5 mm
ASME VIII Div.2 (Shell / Head) 5.5 / 5.5 mm

Section 2 — Wall Thickness, Vessel Weight & Test Pressure Schedule

Corroded Min. vs. Nominal Ordered [Commercial Plate]
Component / Verification Parameter EN 13445-3 (Europe) PD 5500 (UK) ASME VIII Div. 1 ASME VIII Div. 2 (DBA)
Allowable Design Stress (f / S) – – – –
Cylindrical Shell Min. Corroded (e / t) – – – –
Cylindrical Shell Ordered (enom) – – – –
Dished-End Head Min. Corroded (e / t) – – – –
Dished-End Head Ordered (enom) – – – –
Estimated Empty Vessel Weight (kg) – – – –
Operating / Hydrotest Full Weight (kg) – – – –
Hydrostatic Test Pressure (Ptest) – – – –

Section 3 — Detailed Step-by-Step Code Calculations

Exact Code Equations, Joint Factors & Weight Breakdown
European Standard EN 13445-3 — Step-by-Step Calculation Clauses 6, 7.4.2, 7.5.3 (Iterative β, es, ey, eb) & Annex B
UK Standard PD 5500 — Step-by-Step Calculation Clauses 3.4, 3.5.1.2, 3.5.2 (Ke) & Annex A
ASME Section VIII Division 1 — Step-by-Step Calculation Paragraphs UG-16, UG-27 (EL, EC), UG-32 & App. 1-4
ASME Section VIII Division 2 (Part 4.3 Exponential & Part 5 DBA) — Step-by-Step Calculation Part 4.3 & Part 5 FEA Limit Load