Casing Head Housing

Base Flange

Available in all sizes and implementations common to the industry, as well as in accordance with the customer specifications. The lower armature pipe connector can be equipped with API and other threads, as well with a weld-on variation. Another option commonly provided by HARTMANN VALVES is the implementation of the Body Flange with a matching pipe provided by the customer, fully welded and tested. The side outlets are of course available in the standard version, displaced by 180° in different API 6A variants. Upon customer request we also manufacture different outlet variants with a flexible arrangement of 90°.

Information sheet Wellheads
  • Manufacturing program
    • Lower connections: Welded with o-ring seal, bolted together with o-ring seal, wedge connection system
    • API head flange sizes 21.1/4″, 20.3/4″, 18.5/8″, 16.3/4″, 13.5/8″, 11″, 9.5/8″, 7.1/16″ quick connects
    • API pressure stages: 2.000 PSI, 3.000 PSI, 5.000 PSI, 10.000 PSI
    • API temperature classes: L, N, P, R, S, T, U
    • API material classes: AA, BB, CC, DD, EE, FF, HH
    • API PSL test classes: PSL 1, PSL 2, PSL 3, PSL 3 G

    Additional nominal sizes and pressure levels 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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