The British Rail Class 125 was a design of three car Diesel Multiple Unit built by BR Derby at Derby Works in 1958. They were almost identical in appearance to the Class 116.

ASME/ANSI B16.1 Cast Iron Pipe Flanges and Flanged Fittings - Class 125 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts.

The flanges of AWWA C110/A21.10 and AWWA C153/A21.53 standards conform to the drilling and facing of ASME B16.1 Class 125 flanges. This ASME B16.1 Class 125 designation leads some to conclude that these AWWA flanges are only rated at 125 psi service which is not correct.

When is it okay to use class 125 fittings? If your job doesn’t require inspections and you are worried about costs, class 125 fittings may be your best bet. Although it is not a guarantee, you should get the same performance from class 125 fittings …

The Class 125 Cast Bronze Threaded Pipe fittings are for steam, water, oil and air service. Rated at 125 PSI at the highest allowable temperature of 400° F.

are manufactured in accordance with ANSI/AWWA C110/A21.10 and ANSI B16.1, Class 125. Metalfit 2˝ through 12˝ Flanged Fittings are also listed by Underwriters Laboratories for fire protection service. Additionally, Metalfit hydrostatically tests every fitting to …

All dimensions are in inches. The pressure rating at atmospheric temperature is 175 psi for 6” - 12” and 150 psi for 14” - 96”.

Flanged Fittings Class 125 & 250 Specifications • Flanged fittings UL Listed through 12” • Grey iron castings conform to ASTM A126 and ASTM A48 • Flanged fitting dimensions conform to ASME B16.1 and ANSI/AWWA C110/A21.10 • Manufacturing facility is ISO 9001:2008 • Flanged fittings made of 150# ductile iron for sizes 6” and below

CLASS 125 CAST IRON FLANGES DIMENSIONS CHART. Flanges, bolt holes and bolting dimensions chart of class 125 cast iron flanges per ASME B16.1.

Choose from our selection of Class 125 pipe fittings, including metal pipe and pipe fittings, plastic pipe and pipe fittings, and more. Same and Next Day Delivery.