1. AKH2

3. 42.500 m² Area 6.500 m² Production 1.500 m² Administration
30 Mio € Sales Employees
m² Area m² Production m² Administration
AKH2

4. History of Flowserve Ahaus GmbH - Ownerships
Foundation of atomac KG,
Aquisition of atomac KG by Posi-Seal International Inc.of USA
Aquisition of Posi-Seal by Fisher Controls Inc.
The Duriron Company acquires the „Ahaus“ plant from Fisher Controls
Merger of the Duriron Company Inc. and BW/IP Inc.

5. History of Flowserve Ahaus GmbH - Products

6. Bookings by Year
Sales by Industry

7. T4E – PFA Lined Plug Valve BTV 2000 – Lined Butterfly Valve
DURCO Lined Products
T4E – PFA Lined Plug Valve
BTV 2000 – Lined Butterfly Valve

8. Overview of DURCO Lined Products

9. DURCO PFA Lined Plug Valve T4E
AKH2

10. Moulded PFA liner with retention through T-Slots
ISO 5211 flange top for ease of automation
Cast and tapped flange tops available for optional flange pad mounting
One-piece body, Top Entry
Cavity Free
Internally assembled thrust collar for inline re-adjustment
Positive shut-off due to large sealing area integral to valve body
Valve can be re-sealed while in line through lowering plug into bowl
Lock-out as standard on hand lever operated valves
AKH2

11. DURCO PFA Lined Plug Valve T4E
Atmospheric Stem Seal
Upper plug (2° Angle) circumference is primary atmospheric seal
Secondary seal is achieved through reverse lip diaphragm pressurised through thrust collar
Stainless Steel back-up diaphragm optional
AKH2

13. DURCO PFA Lined Plug ValvesT4E
F to F per ANSI B16.10
Flanged ANSI 150
Body DCI / PFA
Lever up to 4“
Man Gear on 6“ >
Sizes ½“ – 14“
T4E 2
T to F per EN
Flanged DIN PN 16
Body DCI / PFA
Lever up to 4“
Man Gear on 6“ >
Sizes 15 – 100 mm
Larger sizes in ANSI drilled to suit DIN Flanges
T4E 3
F to F ANSI B16.10
Flanged ANSI 300
Body WCB / PFA
Lever up to 4“
Man Gear on 6“ >
Sizes ½“ – 12“
Due to the large sealing area in comparison to the seat rings used in ball valves, and by the trunnion mount style the torques are 2 – 6 times higher than torques on compareable size ball valves
AKH2

14. DURCO PFA Lined Plug Valve T4E
Available Options
V – Port Plug for control and modulating duties
1“ – 4“
4 different 1“ plugs
To suit
T4E 1 ANSI 150
T4E 3 ANSI 300
T4E 2 DIN PN 16
Stainless Steel and other alloy valve bodies
WCB bodies on T43 E
Stainless Steel Plug Inserts
Vented Plugs
Other Liner Materials
AKH2

15. Why customers choose plug valves
Positive and reliable shutt-off
Can be re-sealed (re-adjusted) while installed
Can be repaired while installed (not all designs)
Cavity – Free
Top Entry Design, One Piece Valve Body
Rigidity of valve body
Distortions caused by vibrations have no effect on seal
Double atmospheric stem seal as standard