HF Alkylation plug valves
Type ISO-FS-HF & ISO-FSN-HF
- certified by licensor UOPHoneywell for HF (hydrofluoric acid) alkylation process
- listed in UOP piping specifications: HF-1, HF-10, HF-2, HF-20
- completely safe for operator and environment
- 100% tightness to atmosphere
HF Alkylation plug valves
Type ISO-FS-HF & ISO-FSN-HF
- certified by licensor UOPHoneywell for HF (hydrofluoric acid) alkylation process
- listed in UOP piping specifications: HF-1, HF-10, HF-2, HF-20
- completely safe for operator and environment
- 100% tightness to atmosphere
Sealing systems
Design characteristics
- triple stem packing
- Fire-Safe – API 607 / ISO 10497
- full Monel body, plug, cover
- special acid detection paint for visual leakage indication
Testing and Materials
- 100% radiographic inspection of valve bodies
- 100% Helium shell testing with 32 bar (460 psig)
- 100% hydrostatic testing of 1,5x nominal pressure with paraffin oil
- 100% seat closure testing with air (6 bar / 87 psig)
Options
- vented plug
- other pressure rating
- different plug valve types
Sealing systems
Design characteristics
- triple stem packing
- Fire-Safe – API 607 / ISO 10497
- full Monel body, plug, cover
- special acid detection paint for visual leakage indication
Testing and Materials
- 100% radiographic inspection of valve bodies
- 100% Helium shell testing with 32 bar (460 psig)
- 100% hydrostatic testing of 1,5x nominal pressure with paraffin oil
- 100% seat closure testing with air (6 bar / 87 psig)
Options
- vented plug
- other pressure rating
- different plug valve types
Type overview
Type ISO-FSN-HF / ISO-FS-HF
- for HF alkylation
- certified by UOP
- sealing system optional FSN / FS
NPS ½ – 24 / Class 300
Range of application:
-29°C (-20°F) bis 220°C (428°F)
Type ISO-EXTRA-FS-HF
- full round bore plug
- 2- up to 5-way
DN 15 – 600 / PN 10 – 100
NPS ½ – 24 / Class 150 – 600
Range of application:
-60 < T < 230/320°C,
vacuum-capable
Type ISO-MB-FS-HF
- Block / forged design with threaded ends
- resistance to pitting and crevice corrosion
- 2- up to 5-way
NPS ½ – 3 / Class 150 – 600
Range of application:
-60 < T < 230/320°C,
vacuum-capable
Reliable and tight for years
- complete chambering of PTFE sleeve
- twisting or cold-flow of sleeve eliminated
- self-cleaning / maintenance-free
- SIL 3 suitable
Free of cavities
- no contamination or media scaling
Perfect tightness in-line and to atmosphere
- plug adjustment
- very low emission values acc. to TA-Luft and EPA 21
- High performance safety sealing with triple stem packing
In addition to HF alkylation plants, AZ plug valves are the best choice in many other refinery processes, e.g.:
- Sulphur alkylation (H2SO4 alkylation)
- Desulphurisation, Sulphur recovery
- Crude Oil
- Tank Farms
- Jet Fuel
- Flare Gas
- LPG
Type ISO-FS-HF
Plug valve with Fire-Safe cover sealing
Primary sealing: Sleeve (PTFE)
Secondary sealing: diaphragm (Monel®), V-diaphragm (PTFE), delta thrust collar (PTFE)
Tertiary sealing: Stem packing (Graphite)
Plug adjustment (ASTM A193 Gr. B7M)
High-grade materials
Cover: ASTM A494 M35.1 (Monel®), ASTM A216 / WCB on request
Collar: ASTM A494 M35.1 (Monel®)
Plug: ASTM A494 M35.1 (Monel®)
Body: ASTM A494 M35.1 (Monel®)
HF detection paint complete valve painted with acid detection painte
Vented plug (optional)
Listed in UOP piping specifications:
HF-1, HF-10, HF-2, HF-20
Type ISO-FSN-HF
Plug valve with triple safety stem packing, Fire-Safe
Primary sealing: Sleeve (PTFE)
Secondary sealing: diaphragm (Monel®), V-diaphragm (PTFE), delta thrust collar (PTFE))
Tertiary sealing: Triple stem packing (Graphite)
Plug adjustment (ASTM A194 Gr. B2M)
Stuffing box adjustment (ASTM A194 Gr. 2HM)
High-grade materials
Adjusting ring: ASTM A494 M35.1 (Monel®)
Cover: ASTM A494 M35.1 (Monel®)
Plug: ASTM A494 M35.1 (Monel®))
Body: ASTM A494 M35.1 (Monel®)
HF detection paint complete valve painted with acid detection painte
Vented plug (optional)
Listed in UOP piping specifications:
HF-1, HF-10, HF-2, HF-20