ASME Section I. – Power Boilers
The PROBAD module “ASME Section I.” is used to calculate the strength of the parts under internal pressure:

Cylindrical shells with up to 20 nozzles and up to 10 nipple fields and their interactions
Dished ends and hemispherical ends with up to 10 nozzles and their interactions
Flat circular and non-circular ends with centered nozzle
The required pressure p’ acc. to the Pressure Equipment Directive can be determined if required.

ASME B31.1 – Power Piping
The PROBAD module ‘ASME B31.1’ includes the following parts for pipes under internal pressure in plant design and boilers industry:

Straight tubes with up to 10 nozzles and their interactions
Bent tubes and elbows
The materials can be selected in accordance with ASME B31.1, Appendix A, ASME II-D for ASME I or VIII.

ASME B31.3 – Process Piping
The PROBAD module “ASME B31.3” includes the following parts for pipes under internal pressure in petroleum refineries and chemical plants:

Straight tubes with up to 10 nozzles and their interactions
Bent tubes and elbows
The materials can be selected in accordance with ASME B31.3, Appendix A / K (High Pressure), ASME II-D for ASME I or VIII.

ASME Section VIII., Division 1 – Pressure Vessels
The PROBAD module “ASME Section VIII, Div. 1” provides strength calculations of the following parts under internal and/or external pressure:

Cylindrical shells with up to 10 nozzles and up to 10 nipple fields and their interactions
Conical shells and ends (concentric and eccentric cones) with up to 10 nozzles and their interactions
Dished ends and hemispherical ends with up to 10 nozzles and their interactions
FIat unstayed ends with centered nozzle
Dished covers with flanges (spherical dished covers) under internal pressure
Flanges, single and pair, including bolts under internal pressure
Tube sheets for heat exchangers according to ASME for U-tube heat exchanger, fixed tube sheet heat exchanger and heat exchanger with immersed floating head and heat exchanger with externally or internally sealed floating head
The materials can be selected in accordance with:

ASME II-D for ASME VIII.
ASME II-D for ASME I.
ASME B31.1, Appendix A
ASME B31.3, Appendix A or Appendix K
ASME Pipe series
The PROBAD module “ASME Piping” permits the serial calculation of standard pressure parts under internal pressure in piping systems straight pipes

corresponding nozzle tables
corresponding bended pipes
elbows
tees
reducers
caps
flanges
blinding plates
The calculation proof can be done optionally according to the codes:

ASME Section I.
ASME Section VIII. Div.1
ASME B31.1 (Power Piping)
ASME B31.3 (Process Piping)
As an alternative to the codes the selection of fittings may be carried out by integrated rating tables. The analysis of flanges is provided by integrated P/T-Rating-tables (e.g. acc. to ASME B16.5).
The input values and results can be done either in European or American units.
The required pressure p’ acc. to the Pressure Equipment Directive can be selectively determined.

WRC (Welding Research council)
The modules PROBAD ‘WRC 107’ and ‘WRC 297’ are independent applications.

WRC 107 / WRC 537
The PROBAD module ” WRC 107 / WRC 537’ is required for calculating stresses resulting from local loads (forces or moments) on cylindrical shells (attachment forms: circular massive, square massive or tubular) and on spherical shells (attachment forms: circular massive and square massive).
Additionally the superposition of several individual load cases is possible, where the superposition also covers single tresses or internal pressure.
At cylindrical shells additionally stresses from internal pressure and bending moments acc. to ASME Section III Class 1 and 2 can be super imposed.
At tube plugs and nozzles an additional proof of the attachment both inside and outside of the intersection area can be requested.

WRC 297
The PROBAD “WRC 297” module provides stress analysis at nozzles in cylindrical shells and nozzles with or without pad reinforcement resulting from 3-axial forces or moments.

Types of calculation available in this module:

Re-checking of existing geometries
Design of the shell thickness- or nozzle and pad thickness
Determination of allowable values of a force or moment component
Stress analyses (local and global loads) are additionally provided in accordance with ‘AD-S3/0’, ‘AD-S4’, ‘BS 5500’ or by free input.

EN 12952 – Water tube boilers
The PROBAD module “EN 12952 – Water Tube Boilers” provides the following components for strength calculations due to internal pressure and temperature:

Cylindrical parts with up to 10 nozzles and nipple fields and their interactions
Tees
Cylindrical shells with Y-branches
Pipe bends and elbows
Square tubes with single openings and rows of holes in longitudinal direction
Spherical shells and dished heads with up to 10 nozzles and their interactions
Spherical shells with Y-branches
Unstayed flat ends with centered nozzle
Creep fatigue calculation for all items listed above
Calculation of the fatigue strength due to cyclic internal pressure or combined cyclic changes due to internal pressure and temperature for cylindrical shells and spherical shells with up to 10 nozzles; optional calculation of the allowable rate of temperature change, the allowable number of changes for one load cycles, the determination of the usage factor or the equal temperature rate for all load cycles
EN 13480 – Metallic Piping
The PROBAD module “EN 13480 Metallic Piping” provides strength calculations of the following parts under internal and/or external pressure:

Cylindrical components with up to 10 nozzles and their interactions
Tees
Pipe bends and elbows
Dished ends and hemispherical ends with up to 10 nozzles and their interactions
Reducers (concentric and eccentric cones) with nozzles and their interactions
Circular flat ends and plates with up to 10 openings
Cylindrical shells with Y-branches
Miter bends
Simplified analysis for cyclic loading
EN 13445 – Unfired pressure vessels
The PROBAD module “EN 13445 Unfired Pressure Vessels” provides strength calculations of the following parts under internal and/or external pressure:

Cylindrical components with up to 10 nozzles and their interactions
Tees
Dished heads, hemispherical and spherical heads with nozzles and their interactions
Reducers (concentric and eccentric cones) with nozzles and their interactions
Flat circular, elliptical and square heads and plates with openings
Tube sheets on heat exchangers
Horizontal vessels on saddles or ring supports according to EN 13445-3, section 16.8-16.9
Vertical vessels with support skirts according to EN 13445-3, section 16.12
Local loads on nozzles in spherical shells according to EN 13445-3, section 16.4
Local loads on nozzles in cylindrical shells according to EN 13445-3, section 16.5
Simplified assessment of fatigue life according to EN 13445-3, section 17
calculation of ‘Lifting lugs at vessel shells’ according to EN 13445-3, chapter 16.7
EN 1591 – Flange connections
The PROBAD module “EN 1591 Flange Design” provides re-checking or designing of flanged joints in accordance with EN 1591.
For standard flanges in accordance with DIN, EN 1092-1, EN 1759-1, ASME-B16.5 and ASME B16.47A/B16.47B the dimensions of flanges, bolts and gaskets as well as clamping parts (washers, expansion sleeves, HYTORC discs resp. HYTORC expansion nuts) are stored in a database and can always be retrieved into convenient, easy-to-use input panels.Additionally it is possible to enter non-standard measures.

Available flange types:

weld-on flanges, welding-neck flanges, slip-on flanges, put-in flanges with tube stopper, integral flanges, blind flanges, threaded flanges
stub constructions with loose rings as weld-on stub, welding-neck stub, slip-on stub, put-in stub with tube stopper, integral weld-on stub, blind stub
collar construction with loose rings as welding collars or as welding collar with long neck.
The usage ratios are determined by given loads like pressures, temperatures, forces and moments for:

flanges considering the possibly connecting component (cylindrical, conical, spherical, hemispherical shell, dished head)
bolts
gaskets under consideration of gasket parameters acc. to EN 1591-2 or manufacturer defined parameters, published on www.gasketdata.org.
Only one single calculation step is used to check the flange connection for the assembly condition and up to nine subsequent conditions.
Special verifications like nominal tighten torque, bolt forces, maximum flange rotation or minimum usage ratio of the bolts can be provided additionally.

EN- and DIN pipe series
The PROBAD module “DIN-/EN-Piping” provides serial calculations of standard pressure parts in piping systems for:

straight pipes
corresponding nozzle tables
corresponding bended pipes
elbows
tees
reducers
caps
flanges
blinding plates
The calculation optionally can be carried out for internal pressure or external pressure according to

EN 13480 (metallic industrial piping)
EN 13445 (unfired pressure vessels)
EN 12952 (water tube boilers)
AD-2000
TRD
DIN 2413
As an alternative to the codes the selection of fittings may be carried out by integrated rating tables.
The analysis of flanges is provided by integrated P/T-Rating-tables (e g. acc. to EN 1092-1).

AD 2000 sheets, series B