Vald. Birn A/S / BIRN Iron Components and Power Transmission

Engineering selection and quotation of Vald. Birn A/S / BIRN grey and nodular iron parts (EN-GJL, EN-GJS), hydraulic and gear housings, VTP/TL pulleys, Bico/LB couplings, and TASSO bars for industrial machinery.

Grey Iron Parts EN-GJL (EN 1561)

Vald. Birn A/S / BIRN produces grey iron parts with lamellar graphite per EN 1561 on DISAMATIC lines. The alloy delivers vibration damping, thermal conductivity, and machinability. Typical parts include gear housings, pump bodies, and brake discs.

Grades: EN-GJL-150 / 200 / 250 / 300
Codes: EN-JL 1020–1050 (EN 1561)
Unit weight: 200 g – 40 kg
Tolerance: ISO 8062 CT8 – CT10

Nodular Iron Parts EN-GJS (EN 1563)

Nodular iron per EN 1563 from Vald. Birn A/S / BIRN serves as a strong alternative to steel and drop-forged parts. High tensile strength and ductility suit heavy-duty assemblies. In-house cold box cores from 100 g to 20 kg form complex internal passages.

Grades: EN-GJS-400-18-LT – 700-2
Codes: EN-JS1025 – EN-JS1070
Cold box cores: 100 g – 20 kg
Mould sizes: 480×600 – 700×950 mm

VTP, TL Pulleys and Taper Bushes

BIRN Germany within Vald. Birn A/S manufactures ventilated VTP pulleys, TL taper-bush V-belt pulleys, and pilot-bore pulleys. The portfolio covers Poly-V, timing-belt, flat-belt, and adjustable pulleys plus clamping elements. Standard G 16 balancing reaches G 1.0 on request.

Lines: VTP, TL, pilot-bore pulleys
Types: Poly-V, timing, flat, adjustable
Locking: Taper bushes and clamps
Balancing: G 16 standard, up to G 1.0

Bico, LB Couplings and Drive Elements

Elastic Bico and LB couplings from Vald. Birn A/S / BIRN Germany dampen torsional vibration and compensate for shaft misalignment. The open-transmission range also includes Giflex couplings, hubs, steel motor slide bases, sprockets, platewheels, and BIRN roller chains.

Couplings: Bico, LB, Giflex series
Drives: sprockets, platewheels, chains
Mounts: hubs and steel slide bases
Execution: standard or to drawing

Hydraulic Valve and Pump Housings

For mobile and industrial hydraulics, Vald. Birn A/S / BIRN manufactures leak-tight valve bodies, manifold blocks, and pump housings. Automated moulding and internal core precision maintain flow geometry under high pressure. Marine and offshore applications meet BV Mode II.

Parts: pump housings and valve bodies
Duty: high pressure without leaking
Inspection: CMM and 3D scanning
Marine status: BV Mode II compliant

Gear, Transmission and Bearing Housings

Vald. Birn A/S / BIRN supplies gear housings, transmission housings, covers, bearing housings, and bearing covers. In-house machining across 25+ automated centers and lathes (BA 422, HüllerHille 630, Mazak, Heller) finishes parts from 0.2 to 50 kg up to 800×800 mm.

Parts: gearboxes, covers, bearing seats
Machining: 25+ CNC centers and lathes
Part envelope: up to 800×800 mm
Machined weight: 0.2 – 50 kg

Commercial Vehicle and Heavy Equipment Parts

Vald. Birn A/S / BIRN manufactures brake discs, wheel hubs, differential housings, axle and suspension parts, and brackets for trucks, excavators, loaders, and rollers. Production adheres to IATF 16949 and supports converting welded structures into iron designs.

Driveline: hubs, axles, differentials
Braking: brake discs and brackets
Machines: trucks, excavators, loaders
Quality system: IATF 16949

TASSO Iron Bars, Large Parts and KTL Coating

The Vald. Birn A/S / BIRN group includes Tasso A/S (continuous iron bars with 3,000+ tonnes warehouse volume), Uldall for large hand-moulded parts, and Kockums Maskin. Its 3,000 m2 treatment plant applies cathodic electrodeposition (CED/KTL) primer and powder paint up to 450 beams per day.

Tasso A/S: continuous grey/nodular bars
Uldall: large hand-moulded small series
Kockums Maskin: precision machining
Coating: 3,000 m2 CED/KTL and powder

Integrated Foundry, CNC Machining and Coating by Vald. Birn A/S / BIRN

Vald. Birn A/S / BIRN combines MAGMASOFT simulation, in-house pattern tooling, four automated DISAMATIC moulding lines, and CNC finishing on 25+ automated machining centers and turning lathes.

The Danish plant handles iron parts from 200 g to 40 kg in moulding and up to 50 kg (800×800 mm) in machining, verified by CMM and 3D scanning.

Its 3,000 m2 surface-treatment facility applies cathodic electrodeposition (CED/KTL) primer and powder paint coating up to 450 beams per day. Operations follow IATF 16949, ISO 14001, ISO 45001, ISO 50001, and BV Mode II requirements.

BIRN Germany Power Transmission and TASSO Continuous Iron Bars

BIRN Germany in Mülheim an der Ruhr produces VTP ventilated pulleys, TL taper-bush pulleys, pilot-bore, Poly-V, timing-belt, flat-belt and adjustable pulleys alongside Bico, LB and Giflex couplings, sprockets, roller chains, and clamping elements.

Custom transmission parts can be balanced from G 16 up to G 1.0.

Through sister plants Tasso A/S (over 3,000 tonnes of TASSO continuous iron bars), Uldall (large hand-moulded small series), and Kockums Maskin (precision machined parts), the group serves OEM driveline, hydraulic, and heavy machinery programs.

Vald. Birn A/S / BIRN and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Vald. Birn A/S / BIRN and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.