FieldEngineersKitPiping
Pipe sizing, pressure drop, and material take-off tools.
ASME B31.3 Pipe Thickness Calculator
Calculate minimum required pipe wall thickness per ASME B31.3 for process piping maintenance and inspection planning.
Pipe Schedule & Dimension
ASME B36 pipe schedule dimensions — Schedule 160 (NPS 6 t=18.26 mm), OD/ID/W_m, STD vs Sch 40. SpecRoute 6-inch-sch-160.
Flange Dimension & Weight
6 inch flange OD in mm — B16.5 Class 150 = 280 mm, Class 300 = 320 mm. PCD, bolting, W_pair for NPS ½–24.
Fitting & Valve Face-to-Face
Look up ASME B16.10 flanged valve face-to-face dimensions by NPS and pressure class.
Butt-Weld Fitting Dimensions
ASME B16.9 butt-weld fitting center-to-end and end-to-end dimensions with matching pipe schedule OD, ID, and wall.
Gasket Dimension & Selection
ASME B16.20 spiral-wound (ID × SE_OD × OR_OD) and RTJ (Ring No. · P · w×h) dimension lookup by NPS and class.
Flange Gasket Stress & Sealing
ASME PCC-1 App. O / VIII-1 App. 2 flange gasket stress screening: σ_g,op, m·y seating checks, preload F_b, and crush/leakage status by NPS and class.
Piping Thermal Expansion & Anchor Load
ASME B31.3 ΔL = αLΔT with guided-cantilever loop H/W and F_anchor for CS, steam pipe, CPVC, stainless, and Cr-Mo — field screening, not CAESAR II.
Pressure Drop & Friction Loss
Darcy–Weisbach ΔP with Haaland f, B36 ID, Crane L/D fittings, and ΔP/100 gradient. Hero includes L + Σ L_eq.
Flow Rate & Velocity
Pipe velocity v = Q/A vs API RP 14E vc = C/√ρ. CS/SS liquid caps and Safe / Warning / Erosion Risk screening.
Link-Seal & Penetration Sleeve Sizing
Link-Seal modular seal sizing calculator: annular clearance C, LS model (LS-300–LS-575), link count N, and sleeve / core-drill ID from pipe OD.
Pipe Coping & Branch Cut Layout
Free online pipe coping and branch cut layout calculator. Generate unwrapped flat-pattern templates and 16/32-point ordinate tables for set-on, set-in, and miter branch joints per ASME B31.3 fabrication practice.
Pipe Branch Reinforcement Calculator
ASME B31.3 Para. 304.3 pipe branch reinforcement calculation: area replacement A₁–A₄, pad required screening, and recommended repad thickness by header/branch NPS, schedule, and design pressure.
Pneumatic Test Safety Distance
ASME PCC-2 Article 501 pneumatic test safety distance calculator. Screen stored energy and personnel exclusion radius for air/N2/He tests — field package starting point for inspection leads.
Piping Insulation Thickness & Heat Loss Calculator
ASTM C680 / ISO 12241 piping insulation heat loss Q, surface temperature Ts, and ASTM C1055 60 °C personnel protection screening for mineral wool, calcium silicate, and cellular glass.
ASME B16.5 Flange Pressure-Temperature Rating Calculator
ASME B16.5 Table 2 flange pressure-temperature rating calculator for Group 1.1 carbon steel and Group 2.2 316/316L — MAWP with linear interpolation and 1.5× ambient hydrotest pressure.
Water Density & Thermodynamic Properties Calculator
IAPWS-IF97 / ASME steam-table water density, specific heat, viscosity, and thermal conductivity at temperature and pressure for process piping screening.
Pipe Slope & Drainage Ratio Calculator
Pipe slope %, drainage ratio, and IPC minimum slope check from rise, run, and NPS (ASME B31.3 / IPC gravity-drain screening).
Piping Equivalent Length Calculator (Fittings & Valves)
Crane TP-410 piping equivalent length L_eq and K-factor for elbows, tees, and valves from L/D and ASME B36 pipe ID.
ISA 75.01 Control Valve Noise Prediction Calculator
ISA/IEC control valve noise prediction: L_p,1m (dBA) from Cv, P1/P2, mass flow, and downstream pipe wall using IEC 60534-8-3 / 8-4 screening.
ISO 5167 Orifice Plate Flow & Pressure Drop Calculator
ISO 5167-2 orifice plate mass/volumetric flow and permanent pressure loss from beta ratio, Δp, and Reader-Harris/Gallagher discharge coefficient C.
Darby 3-K Fitting Loss Calculator (Laminar & Turbulent K-Factor)
Darby 3-K fitting resistance coefficient K and equivalent length L_eq from K1, Ki, Kd across laminar to turbulent Reynolds numbers, with Crane TP-410 comparison.
IAPWS-IF97 Steam Thermodynamic Properties Calculator
IAPWS-IF97 steam enthalpy, entropy, density, and saturation temperature for saturated and superheated steam screening (Region 2 / Region 4).
Pipe Support Span Calculator (ASME B31.3 & B31.1 Chart)
ASME B31.3 Para. 321 pipe support span from deflection and sustained bending, with ASME B31.1 Table 121.5–style chart compare and ASME B36 pipe weight.
Control Valve Choked Flow & xT / FL Screening Calculator
ISA-75.01.01 / IEC 60534-2-1 control valve choked flow and liquid cavitation screening with x_T, F_L, F_k, and ΔP_max limits.
PSV / PRV Orifice Area Screening Calculator (API 520 / API 526)
API 520 Part I / API 526 PSV orifice area screening for gas and liquid with standard effective orifice letters D through T.
Natural Gas Compressibility Z-Factor & Density Calculator
Natural gas compressibility Z-factor and real density screening from Standing Ppc/Tpc, Hall-Yarborough Z, and the real-gas law (AGA 8 / CNGA screening).
Olet Fitting Dimensions & Branch Sizing (Weldolet / Sockolet / Threadolet)
MSS SP-97 Weldolet, Sockolet, and Threadolet dimensions with run-size match, cutout diameter, and B31.3 branch t_b screening — not a pad area replacement.
Pipe Steam / Heat Tracing Duty & Steam Consumption
ISO 12241 insulated pipe heat loss with IAPWS saturated steam h_fg — steam consumption (kg/h per 100 m) and tracer line count for winterization / process maintain screening.
Socket Weld & Threaded Fitting Dimensions (ASME B16.11)
ASME B16.11 forged socket-weld and threaded fitting dimensions — center-to-end A, socket B/J, wall G, band OD, B31.3 SW gap, and B1.20.1 thread engagement L₂.
ASME B16.34 Valve Wall Thickness & Pressure Rating Calculator
ASME B16.34 Standard Class valve body minimum wall thickness (Appendix VI / Table 3) and P-T rating screen with hydrostatic shell test pressure.
Safety Relief Valve (PSV) Reaction Force Calculator (API 520 Part II)
API RP 520 Part II open-discharge PSV reaction force screen — momentum and exit pressure thrust with dynamic load factor for vapor/gas service.
Non-Metallic Flat Gasket Dimensions & Sealing Area Calculator (ASME B16.21)
ASME B16.21 nonmetallic flat gasket OD/ID from B16.5 geometry with VIII-1 Appendix 2 Wm2 seating load and m/y factors for IBC and full-face sheets.