Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner
Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur - Hafner

Ηλεκτρομαγνητικές βαλβίδες αέρος Hafner ATEX σύνδεσης Namur

Ηλεκτρομαγνητικές βαλβίδες Hafner ATEX με σύνδεση NAMUR

Οι Hafner ATEX NAMUR χρησιμοποιούνται για απευθείας τοποθέτηση σε πνευματικούς περιστροφικούς ενεργοποιητές βαλβίδων διεργασίας. Η σύνδεση NAMUR μειώνει τις εξωτερικές pilot σωληνώσεις και επιτρέπει τυποποιημένη σύνδεση βαλβίδας–actuator σε εφαρμογές με επικίνδυνη ατμόσφαιρα. Η σειρά περιλαμβάνει τύπους προστασίας EEx dm IIC T5, EEx d IIC T6, EEx m II T4, EEx ia IIC T6 και EEx e mb IIC T6.

Διαθέσιμες λειτουργίες

  • 3/2 NC: για single-acting actuator με ελατήριο επαναφοράς. Τυπικοί κωδικοί MNH/MNC 310, G 1/4” ή G 1/2”, παροχή 1250 ή 3000 l/min.
  • 5/2 μονοσταθής: για double-acting actuator, με επιστροφή μέσω pilot αέρα.
  • 5/2 δισταθής: δύο πηνία, διατήρηση τελευταίας θέσης μέχρι νέα ηλεκτρική εντολή.
  • NAMUR-Flex 3/2–5/2: επιλογή για κοινό τύπο βαλβίδας σε διαφορετική λογική actuator.
  • 5/3: μεσαία θέση centre closed ή centre exhausted, για καθορισμένη συμπεριφορά σε απώλεια σήματος.

Τεχνικά δεδομένα

Οι βασικές παροχές είναι 1250 l/min σε NAMUR 1/4” και 3000 l/min σε NAMUR 1/2”. Οι πιέσεις λειτουργίας είναι συνήθως 2…10 bar, 1…10 bar ή 3…10 bar στις 5/3. Η κατανάλωση πηνίου αναφέρεται ως 3 W DC / 5 VA AC. Υπάρχουν επίσης εκδόσεις INOX VES και εκδόσεις TT για -50…+50 °C σε επιλεγμένους κωδικούς.

Κριτήρια επιλογής

Η επιλογή πρέπει να επιβεβαιώνει:

  • ζώνη ATEX και τύπο προστασίας πηνίου,
  • single ή double acting actuator,
  • fail-open / fail-close θέση,
  • 3/2, 5/2 ή 5/3 λογική,
  • NAMUR 1/4” ή 1/2” interface,
  • απαίτηση ανοξείδωτου σώματος,
  • σωστή τάση πηνίου και πιστοποιημένο ηλεκτρικό connector.

Συντήρηση

Ελέγχονται O-rings NAMUR, διαρροές στις εξαγωγές, καθαρότητα αέρα οργάνων, κατάσταση καλωδίωσης Ex και συμβατότητα πηνίου με την πιστοποίηση της βαλβίδας. Η αντικατάσταση πηνίου σε ATEX εγκατάσταση πρέπει να γίνεται μόνο με ισοδύναμο πιστοποιημένο εξάρτημα.

Τεχνικά Φυλλάδια / Οδηγίες Χρήσης / Λοιπά

Περιγραφή

Ignition protection type

3/2-way valves

Explosionsgeschützte Magnetventile mit NAMUR-Schnittstelle | monostabil | NC | Luftfederrückstellung | mit Handhilfsbetätigung | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 Ex dmG 1/4"1250 l/min2...10 barmonostabil | NC3 W / 5 VANAMUR [G 1/4"]

5/2-way valves

Explosionsgeschützte Magnetventile mit NAMUR-Schnittstelle | monostabil | Luftfederrückstellung | mit Handhilfsbetätigung | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 Ex dmG 1/4"1250 l/min2...10 barmonostabil3 W / 5 VANAMUR [G 1/4"]

3/2-way valves

Explosionsgeschützte Magnetventile mit NAMUR-Schnittstelle | monostabil | NC | Luftfederrückstellung | mit Handhilfsbetätigung | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNC 310 701 Ex dG 1/4"1250 l/min2...10 barmonostabil | NC3 W / 5 VANAMUR [G 1/4"]

5/2-way valves

Explosionsgeschützte Magnetventile mit NAMUR-Schnittstelle | monostabil | Luftfederrückstellung | mit Handhilfsbetätigung | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNC 510 701 Ex dG 1/4"1250 l/min2...10 barmonostabil3 W / 5 VANAMUR [G 1/4"]

3/2-way valves

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 Ex mG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]
MNH 310 121 Ex mG 1/2"3000 l/min1...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | ports 1 and 3 are swapped | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 711 Ex mG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 VES Ex mG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]

5/2-way valves

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 Ex mG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]
MNH 510 121 Ex mG 1/2"3000 l/min1...10 barsingle solenoid3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | ports 2 and 4 are swapped | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 711 Ex mG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 VES Ex mG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | bistable | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 520 701 Ex mG 1/4"1250 l/min2...10 bardouble solenoid3 W / 5 VANAMUR [1/4"]
MNH 520 121 Ex mG 1/2"3000 l/min1...10 bardouble solenoid3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | bistable | with manual override | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 520 701 VES Ex mG 1/4"1250 l/min2...10 bardouble solenoid3 W / 5 VANAMUR [1/4"]

NAMUR-Flex | 3/2 - 5/2 valves

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | 3/2 - 5/2 way NAMUR-flex | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 350 701 Ex mG 1/4"1250 l/min2...10 barNamur-Flex (3/2 - 5/2-way)3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | 3/2 - 5/2 way NAMUR-flex | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 350 701 VES Ex mG 1/4"1250 l/min2...10 barNamur-Flex (3/2 - 5/2-way)3 W / 5 VANAMUR [1/4"]

5/3-way valves

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre closed | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 531 701 Ex mG 1/4"1250 l/min3...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/4"]
MNH 531 121 Ex mG 1/2"3000 l/min1...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre exhausted | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 532 701 Ex mG 1/4"1250 l/min3...10 bar5/3-way | centre exhausted3 W / 5 VANAMUR [1/4"]

3/2-way valves

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 Ex iaG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]
MNH 310 121 Ex iaG 1/2"3000 l/min1...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | ports 1 and 3 are swapped | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 711 Ex iaG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | -50°C...+50°C | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 TT Ex iaG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 VES Ex iaG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]

5/2-way valves

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 Ex iaG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]
MNH 510 121 Ex iaG 1/2"3000 l/min1...10 barsingle solenoid3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | ports 2 and 4 are swapped | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 711 Ex iaG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VA
NAMUR [1/4"]

Explosion proof valve with NAMUR interface | monostable | air spring return | with manual override | -50°C...+50°C | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 TT Ex iaG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof valve with NAMUR interface | monostable | air spring return | with manual override | ports 2 and 4 are swapped | -50°C...+50°C | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 711 TT Ex iaG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof valve with NAMUR interface | monostable | air spring return | with manual override | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 VES Ex iaG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | bistable | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 520 701 Ex iaG 1/4"1250 l/min2...10 bardouble solenoid3 W / 5 VANAMUR [1/4"]
MNH 520 121 Ex iaG 1/2"3000 l/min1...10 bardouble solenoid3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | bistable | with manual override | -50°C...+50°C | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 520 701 TT Ex iaG 1/4"1250 l/min2...10 bardouble solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | bistable | with manual override | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 520 701 VES Ex iaG 1/4"1250 l/min2...10 bardouble solenoid3 W / 5 VANAMUR [1/4"]

NAMUR-Flex | 3/2 - 5/2 valves

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | 3/2 - 5/2 way NAMUR-flex | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 350 701 Ex iaG 1/4"1250 l/min2...10 barNamur-Flex (3/2 - 5/2-way)3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | 3/2 - 5/2 way NAMUR-flex | INOX | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 350 701 VES Ex iaG 1/4"1250 l/min2...10 barNamur-Flex (3/2 - 5/2-way)3 W / 5 VANAMUR [1/4"]

5/3-way valves

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre closed | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 531 701 Ex iaG 1/4"1250 l/min3...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/4"]
MNH 531 121 Ex iaG 1/2"3000 l/min1...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre exhausted | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 532 701 Ex iaG 1/4"1250 l/min3...10 bar5/3-way | centre exhausted3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre closed | -50°C...+50°C | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 531 701 TT Ex iaG 1/4"1250 l/min3...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/4"]

3/2-way valves

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 701 Ex e mbG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]
MNH 310 121 Ex e mbG 1/2"3000 l/min1...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | monostable | NC | air spring return | with manual override | ports 1 and 3 are swapped | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 310 711 Ex e mbG 1/4"1250 l/min2...10 barsingle solenoid | NC3 W / 5 VANAMUR [1/4"]

5/2-way valves

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 701 Ex e mbG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]
MNH 510 121 Ex e mbG 1/2"3000 l/min1...10 barsingle solenoid3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | ports 2 and 4 are swapped | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 510 711 Ex e mbG 1/4"1250 l/min2...10 barsingle solenoid3 W / 5 VANAMUR [1/4"]

Explosion proof solenoid valve with NAMUR interface | bistable | with manual override | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 520 701 Ex e mbG 1/4"1250 l/min2...10 bardouble solenoid3 W / 5 VANAMUR [1/4"]
MNH 520 121 Ex e mbG 1/2"3000 l/min1...10 bardouble solenoid3 W / 5 VANAMUR [1/2"]

NAMUR-Flex | 3/2 - 5/2 valves

Explosion proof solenoid valve with NAMUR interface | monostable | air spring return | with manual override | 3/2 - 5/2 way NAMUR-flex | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 350 701 Ex e mbG 1/4"1250 l/min2...10 barNamur-Flex (3/2 - 5/2-way)3 W / 5 VANAMUR [1/4"]

5/3-way valves

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre closed | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 531 701 Ex e mbG 1/4"1250 l/min3...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/4"]
MNH 531 121 Ex e mbG 1/2"3000 l/min1...10 bar5/3-way | centre closed3 W / 5 VANAMUR [1/2"]

Explosion proof solenoid valve with NAMUR interface | spring return to middle position | with manual override | centre exhausted | ATEX

Type numberPort sizeAir flowOperating pressureFunktionPower consumptionInterface
MNH 532 701 Ex e mbG 1/4"1250 l/min3...10 bar5/3-way | centre exhausted3 W / 5 VANAMUR [1/4"]