Castings made
to your drawing.

We do not sell from stock. Every part is made to the customer’s drawing. The catalog below is a partial list, offered as a reference for the material, unit weight and application of similar parts.

Parts developed: 1,000+
Unit weight: 0.1 kg – 10 t
Common iron types: Gray, ductile
Delivery condition: As-cast, machined, painted

01By Category

Three main lines,
plus motors and machine tools.

Longtai often supplies several parts for the same pump or compressor.

Slurry Pump Castings
Suction side and drive side casings, suction plates, stuffing boxes, bearing housings, pedestals and valve housings for slurry pumps, mostly in ductile iron ASTM A536 65-45-12.
- Suction Side Casing
- Pedestal
- Bearing Housing
- Suction Plate
- Drive Side Casing
- Stuffing Box
- 6×4 High Pressure Adapter
- Strainer
- Valve Housing
- 2″ Pump Tee
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F-K Pump Castings
Side discharge housings, hoppers, discharge bodies, diverter valves, head plates and bushings for F-K pumps used in the pneumatic conveying of cement and powder, in gray and ductile iron.
- Side Discharge Housing
- Hopper
- Discharge Body
- Diverter Valve
- Bearing Housing
- Head Plate
- Valve Body Cover
- Mounting Bracket
- Sight Funnel
- Flap Valve
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Rotary Vane Compressor Castings
Compressor heads, cylinder discharge covers and bearing retainers for rotary vane air compressors, all in pressure-rated gray iron, ASTM A278 Class 40 and Class 35.
- Compressor Head
- Cylinder Discharge Cover
- Bearing Retainer
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Electric Motor Castings
End covers, junction box covers and bases, flanges and feet. Longtai started in 2007 with castings for Siemens motors.
- End Cover
- Junction Box Cover
- Junction Box Base
- Flange
- Vertical Cover
- Bracket
- Adjustable Foot
- End Cover Castings
- Housing Castings
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Machine Tool Castings
Bases, columns and tables in gray iron ASTM A48 Class 45, machined in-house on gantry and horizontal machining centers.
- Table
- Column
- Base
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02Catalog

Similar parts,
made to order.

All parts below have been produced. Material and unit weight follow customer drawings. Unit weights are not yet listed for electric motor and machine tool castings.