Block type x-mas tree designed for two or more x-mass tree valves in same body block. Can be implemented correspondingly in the most different configurations, according to customer specifications. Besides compact design and the use of forged steels, combinations of proven ball valves and gate valves are possible, or can be equipped completely with ball valves and gate valves. In order to facilitate operability of manual valves, drives, if used, can also be mounted on the backside.

Information sheet Wellheads
  • Manufacturing program
    • Christmas tree combination “Solid Block” construction
    • Design: T and Y design
    • Valves: Ball valves and shut-off sliders, as well as combined
    • Activation: Hand wheel, transmission, or drive combined
    • Through bore hole: 2 1/16“ – 6 3/8“ ( DN 52 – DN 162 )
    • Pressure level: up to API 10.000 ( 690 Bar )
    • Connector flange bottom: to 13 5/8“ ( additional sizes upon request )
    • Connector flange top: to 7 1/16“
    • Connector flange to side: to 7 1/16“
    • MC: AA, BB, CC, DD, EE, FF, HH
    • TC: K – Y ( -46 °C bis +345 °C )

    Other designs upon request!


Our sales and design engineers eagerly await your enquiries from the high performance sector. In close collaboration we develop suitable components for your special applications.

Solutions for
extreme areas

Hartmann ball valves and wellheads are designed for pressure classes up to 690 bar, temperatures from -200 to +550°C as well as for high cycle operations and media of all types.

that pays

Durable and low maintenance products reduce the life cycle costs of your plants. This is why we develop, assemble and test exclusively in Germany.

Expertise & consultation
from a single source

You profit from more than 70 years experience during all project phases. We provide you with support, from consulting, development right through to installation and maintenance service.

All references at a glance

Find out which customers use our products successfully.

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