Forged pipe fittings are made according to ASME B16.11, MSS-SP-79\83\95\97 and BS3799 standards. It is a connector in between nominal bore pipes.
Rfs Hydraulics Rfs Stainless Steel SS316 Jic Union Tee 1/4 Male
Custom Hydraulic Fittings, Adapters and Manifolds
Pipe Fittings - 3000# Forged SS - Reducing Couplings (3030-RQSW)
RFS Stainless Steel SS316 Forged Pipe Fitting, Hex Nipple, 1 BSPP
RFS Stainless Steel SS316 Forged Pipe Fitting, Reduced Hex Nipple
G0808XH-250 Green Line Hose & Fittings
hydraulic & mechanical equipment catalog - Simplex
RFS Stainless Steel SS316 Union Forged Pipe Fitting, 3/8” Socket
Forged Pipe Fittings - RFS Hydraulics Indonesia
RFS Stainless Steel SS316 Forged Pipe Fitting, Reduced Hex Nipple
STORZ Adaptor Female CFA 65mm (One Piece) - Hose Factory
SS 304 / 316 / Inconel / Monel Stainless Steel Tube Union at best