Ball valves and Flow Control Valves

Our basic program

More than 30,000 ball valves, flow control valves, check valves and accessories always in stock.

Our ball valves are available in sizes ranging from DN4 (1/8”) to DN200 (8”) and, depending on the design, can withstand pressure of up to 2,000 bar. With more than 15 connection types, we meet all international requirements (e.g. ISO228 - BSPP, ANSI B1.20.1 NPT, ISO6162-1/2, ISO 6164, ISO 8434-1, …).

Our ball valves and needle valves are available in steel or stainless steel (AISI 316Ti/L) as standard. However, we also offer such special materials as Duplex, Superduplex and Hastelloy.


Senior Sales Manager
Tel: +49 6861/7000-76

Tel: +49 6861/7000-26

Accessories & Options

Our standard ball valves are available in numerous designs and can be expanded with accessories such as locking devices, limit switches, additional assembly bores, actuators, and much more.

Abschließvorrichtung für Kugelhahn

Locking devices

Our tamper-proof locking devices guarantee safety against unintendant actuation of ball valves.



A detent mechanism prevents the unintentional actuation of a ball valve.


Assembly bores

For the direct assembly of ball valves.

Antrieb für Kugelhahn


Pneumatic, electric and hydraulic actuators for ball valves.



More than 15 connector types. Mixed connector types on valve inlet and outlet possible.


Limit switches

We offer mechanical and proximity limit switches with assembling sets.

Doppelte Absperrung für Kugelhahn

Double isolation

Combination of two or more valves in one block. With bleed- and bypass functions.


It is our aim to offer you unique product quality and outstanding service.


Material trace­ability

The marking of each ball valve housing with its internal traceability number allows complete traceability right back to the smelting of the raw material.

Kugelhahn Korrosionsschutz

High corrosion protection

On request, we can supply ball valves with resistance to red rust up to three times better than simple zinc coatings.

Hohe Verfügbarkeit von 30000 Kugelhähnen

Product availability

More than 30,000 ball valves and valves in stock. Availability of newly manufactured products within four to six weeks.

MHA ZENTGRAF TÜV und CE Zertifizierung

Certified quality

MHA ZENTGRAF is certified in accordance with ISO9001 and ISO14001 as well as the pressure equipment directive 97/23/EC.

MHA ZENTGRAF Produktzertifikate

Special product certifi­cations

ATEX, fire-safe approval, DNV/GL type approval, ABS design assessment, EAC approval.

MHA ZENTRGRAF Kugelhähne weltweit verfügbar

Represented in 4 time zones

You can contact us or our partners in all the world’s four main time zones.

MHA Zentgraf Sprachen


You can communicate with us in seven languages: English, Spanish, Chinese, Italian, Russian, French and German.

MHA ZENTGRAF Kugelhahn Engineering F&E


We employ over 20 engineers, scientists and technicians, who work on your solutions.

MHA ZENTRAF hohe Kundenzufriedenheit

High level of customer satisfaction

We bring a smile to our customers’ faces!

Industry Solutions

Alongside our standard range of more than 30,000 ball valves, flow control valves and accessories, MHA ZENTGRAF also develops industry-specific ball valves and valves as required by the customer.

→ Industry solutions


E-mail: info@mha-zentgraf.com
Phone: + 49 6861/7000-0

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