Flanges

Slip-on, blind, weld neck, socket weld, threaded & lap joint flanges, manufactured to ASME B16.5.

7 Materials

Technical Data

Material & face options

Manufactured to ASME B16.5 dimensions in the alloy grade, type & facing your specification requires.

MaterialUNS No.Types AvailableFacing
Copper Nickel 90/10 & 70/30C70600 / C71500WN, SO, Blind, SW, Threaded, Lap JointRF / FF
Copper (DHP)C12200WN, SO, Blind, SW, ThreadedRF / FF
BrassC26000SO, Blind, ThreadedRF / FF
Admiralty BrassC44300SO, BlindRF / FF
Naval BrassC46400SO, BlindRF / FF
BronzeC51000SO, Blind, ThreadedRF / FF
GunmetalC83600SO, BlindRF / FF

WN = Weld Neck, SO = Slip-On, SW = Socket Weld, RF = Raised Face, FF = Flat Face. Dimensions per ASME B16.5 — Pipe Flanges & Flanged Fittings, NPS 1/2" through 24". Mill test certificates issued per EN 10204 3.1 on request.

Dimensions

Class 150 flange dimensions

Outside diameter, bolt circle & drilling per ASME B16.5 Class 150 — the most commonly ordered rating. Class 300 & 600 available on request.

NPSFlange OD (in)Bolt Circle (in)No. of BoltsBolt Dia. (in)
1/2"3-1/22-3/841/2
3/4"3-7/82-3/441/2
1"4-1/43-1/841/2
1-1/2"53-7/841/2
2"64-3/445/8
3"7-1/2645/8
4"97-1/285/8
6"119-1/283/4
8"13-1/211-3/483/4
10"1614-1/4127/8
12"1917127/8

Dimensions per ASME B16.5 Class 150 (Table 8). Bolt hole diameter is 1/8" larger than bolt diameter. Class 300 & 600 dimensions available on request.

Specifications

Nine flange types, one alloy family

Material Copper-Nickel — 90/10 & 70/30 alloy grades
Types Slip-On, Blind, Weld Neck, Socket Weld, Threaded, Lap Joint, Orifice, RTJ, Spectacle Blind
Custom Orders Custom bore, rating & drilling on request

Ready to talk specifications?

Send us your drawings, sizes and standards — our team will get back to you with a detailed quotation for your Copper-Nickel, Copper, Brass or Bronze piping requirement.

Send a Quick Enquiry