standards EN 13445-3:
- Junction between the large end of a cone and a cylinder without a knuckle (7.6.6)
- Junction between the large end of a cone and a cylinder with a knuckle (7.6.7)
- Junction between the small end of a cone and a cylinder (7.6.8)
- Nozzles which encroach into the knuckle region (Kloepper) (7.7)
- Nozzles which encroach into the knuckle region (Korbbogen) (7.7)
- Unstiffened cylinders (8.5.2)
- Interstiffener collapse (8.5.3.4)
- Heating/cooling channels (8.5.3.5)
- Design of light stiffeners (8.5.3.6)
- Design of heavy stiffeners (8.5.3.7)
- Stiffener tripping (External I-shaped stiffener) (8.5.3.8 FIG.8.5-14)
- Stiffener tripping (External T-shaped stiffener) (8.5.3.8 FIG.8.5-15)
- Stiffener tripping (External angle stiffener) (8.5.3.8 FIG.8.5-16)
- Stiffener tripping (Internal T-shaped stiffener) (8.5.3.8 FIG.8.5-17)
- Stiffener tripping (Internal flat bar stiffener) (8.5.3.8 TAB.8.5-4)
- Stiffener tripping (External flat bar stiffener) (8.5.3.8 TAB.8.5-5)
- Interstiffener collapse (8.6.3)
- Light stiffeners (8.6.4.1.2)
- Heavy stiffeners (8.6.4.1.3)
- Shell reinforced openings (9.4.5.1)
- Openings with reinforcing plates (9.4.5.2)
- Openings in dished ends (9.4.5.3)
- Openings with nozzles (9.4.5.4)
- Figure 9.4-1 Cylindrical shell with isolated opening and increased wall thickness
- Figure 9.4-2 Spherical shell or dished end with isolated opening and increased wall thickness
- Figure 9.4-3 Cylindrical shell with isolated opening and reinforcing plate
- Figure 9.4-4 Spherical shell or dished end with isolated opening and reinforcing plate
- Figure 9.4-7 Cylindrical shell with isolated opening and set-on nozzle
- Figure 9.4-8 Spherical shell or dished end with isolated opening and set-in nozzle
- Figure 9.4-9 Cylindrical shell with isolated opening, increased wall thickness and set-in nozzle
- Figure 9.4-12 Spherical shell or dished end with isolated opening extruded from the shell
- Figure 9.4-13 Conical shell with isolated opening. Combined reinforcement from shell and nozzle
- Figure 9.5-1 Cylindrical shell with nozzle oblique in the longitudinal cross section
- Figure 9.5-2 Cylindrical shell with nozzle oblique in the transverse cross section
- Figure 9.5-3 Spherical shell with a non radial nozzle
- Flat ends with a hub (uniform thickness shell) (10.4.3a)
- Flat ends with a hub (tapered shell) (10.4.3b)
- Circular flat ends welded directly to the shell (10.4.4)
- Circular flat ends with directly to the shell (10.4.5)
- Unpierced bolted circular flat ends (10.5)
- Flat end with a full-face gasket (10.5.3)
- Pierced circular flat ends (bolteds) (10.6)
- Pierced circular flat ends (flat ends with a hub(uniform thickness shell)) (10.6a)
- Pierced circular flat ends (flat ends with a hub(tapered shell)) (10.6b)
- Pierced circular flat ends (circular flat welded directly to the shell) (10.6c)
- Pierced circular flat ends (circular flat ends with a relief groove) (10.6d)
- Flat end with a full-face gasket with holes (10.6-2)
- Bolted elliptical or obround ends (10.7.2c)
- Narrow face flange - smooth bore (11.5-1)
- Narrow face flange - stepped bore (11.5-2)
- Narrow face flange - slip on hub type (11.5-3)
- Narrow face flange - smooth bore (external pressure) (11.5.5a)
- Narrow face flange - stepped bore (external pressure) (11.5.5b)
- Narrow face flange - slip on hub type (external pressure) (11.5.5c)
- Full face flange (soft gasket) (11.6)
- Full face flange subject to external pressure (11.6.4)
- Reverse narrow face flange (11.8-1)
- Reverse narrow face flange slip in type (11.8-2)
- Reverse narrow face flange (external pressure) (11.8.2a)
- Reverse narrow face flange slip in type (external pressure) (11.8.2b)
- Full face flange with metal to metal contact (11.10)
- U-shaped unreinforced bellows (Austenitic steel) (14.5)
- U-shaped convolutions circumferentially welded at their crest or root (Austenitic steel) (14.5.8)
- U-shaped reinforced bellows (Austenitic steel) (14.6)
- Wall stresses in unsupported zones (15.6.4)
- Lifting lugs (longitudinal lifting lug) without reinforcing (16.7-1a)
- Lifting lugs (longitudinal lifting lug) with reinforcing plate (16.7-1b)
- Lifting lugs (tangential lifting lug) without reinforcing plate (16.7-2a)
- Lifting lugs (tangential lifting lug) with reinforcing plate (16.7-2b)
- Load limit at the saddle (without a reinforcing plate) (16.8.7)
- Load limit at a saddle with additional reinforcing plate (16.8.8)
- Cylinder under internal pressure (P>0) (16.14.6)
- Cylinder under external pressure (P<0) (16.14.7)
- Fatigue strength of welded components (17.6.6a)
- Fatigue strength of unwelded components (17.6.6b)
- Cumulative damage (17.7.1.1)
- Fatigue strength of welded components (18.10)
- Fatigue strength of unwelded components (18.11)
- Fatigue strength of steel bolts (18.12)
- Design by analysis - Method based on stress categories (Annex C)
- Installation with a hydraulic tensioner (G.8.3)
- Assembly using a torque wrench (G.8.4)
standards EN 13445-4:
- Disher circular products (forming of pressure parts) (9.2.1)
- Cylinder and cones made rolling (forming of pressure parts) (9.2.2)
- Other product types (forming of pressure parts) (9.2.3)
- Tube bends (forming of pressure parts) (9.2.4)
- Forming of segments (forming of pressure parts) (9.2.5)
standards EN 5211:
standards EN 286-2:
standards ISO 724:
Hydrodynamics:
- Water hammer (for nonlinear closure)
- Effective closing time factor
- The flow characteristic (crank mechanism)
- The flow characteristic (gearbox)
- The flow characteristic (hydraulic cylinder)
- Hydrotechnical calculation for Outlet piping
- Cavitation for Outlet piping and valves
- Hydrodynamic calculation Spherical valve
- Hydrodynamic calculation Butterfly valve (lenticular disc)
- Hydrodynamic calculation Howell Bunger valve (model number 1)
- Hydrodynamic calculation Howell Bunger valve (model number 2)
- Hydrodynamic calculation Howell Bunger valve (model number 3)
- Hydrodynamic calculation Needle valve
Roark's formulas for Stress and Strain:
- Shear, moment, slope and deflection formulas for elastic staight beams (TABLE 8.1)
- Formulas for torsional deformation and stress (TABLE 10.1)
- Stress concentration factor for elastic stress (TABLE 17.1)
other calculations:
- Cover with hole with continuous sealing surface with metal-to-metal contact (11.10.0)
- The stress in pipe when changing temperatures
- Determining the working stress the bolt
- Assembly using a torque wrench
- Steel piping on saddle supports (with expansion joint)
- Steel piping on saddle supports
- Longitudinal pin for shaft-hub connection
- Radial pin for shaft-hub connection
- Key(s) for shaft-hub connection
- Articulated trunnion in the rod
- Square head for shaft-hub connection
- The cross pin connects 2 flanges (torque load)
- The bolt connects 2 flanges (torque load)
- Contact stress of cylinder on flat surface
- Contact stress of the cylinder in the cylindrical socket
- Contact stress two cylinders
- Contact stress of sphere on flat surface
- Contact stress of the sphere in the spherical socket
Social media:


