Adapter Nipple

Threaded reducing elbow, threaded connections, combines directional change and pipe size transition, easy installation, reliable sealing—ideal for fire protection, plumbing, and HVAC systems.

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Adapter Nipple

Adaper Nipple
Standard: ANSI/UL 213C
Housing Material: Ductile iron conforming to ASTM A-536, Grade 65-45-12.
Rated pressure: 300PSI.
Surface: Hot dip galvanizing /Epoxy powder painting /Dip Coating, etc.
Color: Variable colors for choice.

Adapter Nipple, grooved-to-threaded design, enables quick connection between grooved piping systems and threaded fittings or equipment. No welding required—easy installation, reliable sealing, and compact structure. Ideal for fire sprinkler, plumbing, and HVAC systems.

Nominal Size mm/in	Pipe OD. mm/in	Working Pressure psi/Mpa	Dimensions L mm/in
Nominal Size mm/in	Dxd	Working Pressure psi/Mpa	Dimensions L mm/in
32×32 1¼×1¼	42.4×42.4 1.660×1.660	300 psi 2.07 Mpa	64 2.51
40×40 1½×1½	48.3×48.3 1.900×1.900		64 2.51
50×50 2×2	60.3×60.3 2.375×2.375		64 2.51
65×65 2½×2½	73.0×73.0 2.875×2.875		64 2.51
65×65 2½×2½	73.0×76.1 2.875×3.000		64 2.51
65×65 2½×2½	76.1×76.1 3.000×3.000		64 2.51
80×80 3×3	88.9×88.9 3.500×3.500		76 3.00