

Overview
About SIEPMANN-WERKE GmbH & Co. KG
Who we are
As an independent family, we turn with our businesses and Gesenkschmiede PERSTA valve to customers and markets. Commitment and skills of our employees are us traditionally as important as the use of facilities, equipment and processes, according to the current state of the art. Our goal is sustainable economic success through customer satisfaction with service, quality, delivery and price policy.
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Warstein, Germany
Member since 2001
Employees500 - 1000
Certificates2
Turnover50 - 100 Mil.
Year of foundation1891
Competencies
Technologies
Solid Forming
| Technologies | Lotsize | Length | Diameter | Weight |
|---|---|---|---|---|
Drop forging | 1–50,000 | — | — | 0–1,500 kg |
Impact extrusion | 50–5,000 | 200–570 mm | 180–370 mm | — |
Heat Treatment
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Annealing | 1–1,000 | 300–1,100 mm | 100–1,000 mm | 50–530 mm | 300–850 mm | 0–1,600 kg |
Hardening and tempering | 1–1,000 | 300–1,100 mm | 100–1,000 mm | 50–530 mm | 300–850 mm | 0–1,600 kg |
Materials
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steel
Industries
Drive and gear engineeringShipbuilding industryMechanical engineeringFittings engineeringBuilding, agricultural and forestry machinery manufacturingPower generation and transmission industrySpecial purpose machinery manufacturingRailway and rail vehicles industryMining and tunnel engineering
Certificates
ISO 9001:2008
ISO 14001
Parts & Machines
Machinery (3)
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DGH20, DGH35
ManufacturerBeché
Technology
Drop forging
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Mechanische Bearbeitung
ManufacturerDiverse
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Schweißtechnologie
ManufacturerDiverse
Control-
3 Machinery
Drop forging1
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