FITTINGS PN GUIDE

Overview

The Fittings Part Number Guide explains the naming, coding, dimensional logic, and standard variations used for stainless steel and carbon steel fittings. This includes butt-weld, threaded, socket-weld, grooved, sanitary, and specialty engineered fittings. The guide is essential for system design, ordering accuracy, QA validation, and fabrication layout.

Internal Links

/butt-weld-pipe-fittings
/cast-stainless-fittings-cf8m
/forged-steel-and-3000-class-fittings
/tube-fittings-compression-superlok
/victaulic-grooved-stainless-fittings
/sanitary-clamps
/sanitary-gaskets

Applications

Decoding fitting part numbers for correct ordering and material matching
Weld-end, thread-end, and clamp-end identification
Fabrication routing and workshop preparation
Sanitary processing system configuration
Industrial pipeline layout and design
OEM engineering drawings and equipment assembly
Hobbyist stainless builds requiring precision component selection

Technical Structure & Interpretation

Fitting Type Code: EL (elbow), TE (tee), CP (cap), CO (coupling), LR/SR (radius)
Connection Type: BW (butt-weld), SW (socket-weld), THD (threaded), GRV (grooved), CLAMP (sanitary)
Material: 304/L, 316/L, CF8M, WCB, A105, Duplex
Pressure Class: 150#, 300#, 600#, 3000#, 6000#
Radius & Geometry: Short radius, long radius, reducing, segment bends
Sanitary Design: 3-A & ASME BPE compliant part numbering for hygienic fittings

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Industries Served

Food & Beverage
Biotech & Pharmaceutical
Oil & Gas & Refining
Chemical Manufacturing
Water Filtration & Treatment
General Industrial Manufacturing
OEM & Equipment Fabrication

Integration & Workflow

Engineering Review: Confirms flange compatibility with pipe schedule and process pressures.
Fabrication Planning: Weld-neck and slip-on flanges are prepped for spool assembly.
Installation QA: Torque values, gasket type, and bolt loading verified per ASME.
Documentation: All flanges ship with full MTRs and material confirmation.
Hobbyist Builds: Provides simplified flange identification for small stainless projects.

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