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- Hartmann - Model ASF Type - Ball Valve
Hartmann - Model ASF Type -Ball Valve
HARTMANN VALVES ball valves of the ASF series - for reliable sealing function, even under more challenging operating conditions These HARTMANN VALVES ball valves with metallic sealing systems are suitable for gaseous and liquid media with solid particle components.
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- Design according to DGRL 27/23/EG, API 6D or API 6A
- Entirely metallic sealing
- O-bubble leak rate
- Two part housings (split body) made of forged material
- Blowout-safe operating spindle
- Float-mounted, self-centering seat rings with pre-tensioned spring elements
- Sealing force dependent on line pressure
- Exchangeability of upper operating spindle seal at full line pressure
- No electrostatic charge-up
- Fire safe according to API 6 FA and BS 6755/2
- Maintenance free
Upon request we manufacture and deliver the ball valves of the ASF series for you:
- made of special materials for extreme application areas
- weisoft sealing
- as reduced bore ball valves
- with special interior and exterior coatings
- with electric, pneumatic, or electro-hydraulic drives
- fail-safe close or fail-safe open
- as a special design for your special application case
DGRL 97/23/EG and API 6D:
- DN 15-300 (1/2″-12″) to PN 690 (ANSI 4500)
- DN 40-500 (1 1/2″-20″) to PN 420 (ANSI 2500)
- DN 100-700 (4″-28″) to PN 250 (ANSI 1500)
- DN 200-900 (8″-36″) to PN 150 (ANSI 900)
- DN 1000 (40″) to PN 100 (ANSI 600)
- additional nominal sizes and pressure levels upon request!
API 6A:
- 1 13/16“ – 2 1/16“ to API 10.000
- PSL 1 – PSL 3G
- Temp. class K – Y
- additional nominal sizes and pressure levels upon request!