Black Malleable Iron

BMI threaded fittings, clearly specified.

Black malleable iron fittings identified by fitting form, nominal size, thread standard and applicable product standard.

Visual product guideBMI products, sizes and applications

Directional fittings and joining/reducing fittings are shown separately with complete product images.

Open BMI Guide

BMI Product Range

Black malleable iron, without ambiguity.

BMI means black malleable iron. It is presented separately from galvanized malleable iron and from forged carbon- or stainless-steel fittings so the requested material is unmistakable.

45° and 90° elbows
Street elbows
Equal and reducing tees
Crosses and laterals
Sockets and couplings
Unions
Reducing bushes
Plugs, caps and nipples

Indicative Supply Guide

Forms, threads & sizes.

The ranges below reflect commonly published Saudi-market supply coverage. Exact item availability, thread form and certification remain manufacturer- and quotation-specific.

Thread warning: NPT and BSPT are different thread systems. State the required standard on every BMI fitting line item.

BMI product coverage

Product family	Common specification basis	Indicative range
Black malleable iron threaded fittings	ASME B16.3 / EN 10242 as specified	NPS ⅛–6 by item and manufacturer
NPT threaded series	ASME B1.20.1 where specified	Class 150 or manufacturer’s standard series
BSPT threaded series	ISO 7-1 / EN 10226-1 where specified	Working-pressure range by manufacturer
Unions	Black malleable iron; seat and joint type specified	Nominal size, thread and service by line item
Pipe nipples	Black steel nipple with matching thread where required	Nominal size, length, wall and thread by line item

Typical fitting forms

Family	Common items	RFQ detail
Directional	45° and 90° elbows, street elbows, tees and crosses	Equal or reducing form; female or male/female threads
Joining	Sockets, couplings, unions and nipples	Equal/reducing, seat type, nipple length and wall
Reducing	Reducing sockets, bushes and reducing tees	Run and branch sizes in the correct order
Termination	Caps, square-head plugs and hex plugs	Male/female thread and nominal size

Common nominal sizes

⅛¼⅜½¾11¼1½22½3456 in

Range note: Not every fitting form is manufactured in every nominal size. Confirm the exact item, size and thread series in the RFQ.

RFQ Checklist

Define the connection before pricing.

These fields prevent a nominally similar but technically incompatible substitution.

Product Form

Elbow, tee, union, socket, bush, plug, cap, nipple or another BMI fitting.

Thread

NPT or BSPT, including male/female configuration where it affects the item.

Size & Series

Nominal inlet, outlet and branch sizes plus required pressure or standard series.

Compliance

Applicable standard, approved brand, origin and certification requirements.

BMI Threaded Fittings RFQ

Send fitting form, sizes, thread & quantity.

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