Εισαγωγή:
The Wafer type tilting check valve refers to a valve with circular disc opening and closing parts and action generated by its own weight and medium pressure to block media backflow. Automatic valve class, also known as check valve, one-way valve, backflow valve or isolation valve. Disc motion is divided into lifting and swing. Lift check valves are similar in construction to globe valves except for the stem that drives the disc. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). Valve is opened when inlet pressure is greater than the sum of disc weight and flow resistance. On the contrary, the valve is closed when the medium flows back. Swing check valves have a disc that is tilted and rotates on its axis and work in a similar way to lift check valves.
Εφαρμογή:
Χρησιμοποιείται ευρέως στο πετρέλαιο, τη χημική, τη μεταλλουργία, τους θερμοηλεκτρικούς σταθμούς και άλλες βιομηχανίες.
Περιγραφή:
Inclined to the clamp plate check valve, its main advantage is to overcome the swing check valve lift check valve under the condition of impact Water hammer to imagine, to operate without collision Eccentric disc, seat and seal face gradually closed contact, to no impact No noise work Micro elastic metal seat, sealed performance is good, the butterfly valve design, sensitive switch, long service life Swash plate decoupling streamline the fluid channel, low flow resistance, energy saving effect.
Προσδιορισμός:
Valve Size: | 2"-20" |
Pressure Class: | PN1.0-16.0MPa,ANSI CLASS 150-900,JIS10-20K |
Matierials: | Ανθρακούχο χάλυβα A216 WCB, ανοξείδωτο χάλυβα A351 CF8/CF8M |
Design and Manufacturing Standards: | ASME B16.34 |
Face to Face Standards: | API 594 |
Flange Dimension Standards: | ASME B16,5 GB HG SH |
Pressure Test Standards: | API 598 |
Quality/Product Certifications: | CE,ACS,WRAS,TS... |
Process Connection Types | Συγκόλληση φλάντζας, συγκόλλησης άκρου, σπειρώματος, συγκόλλησης πρίζας κ.λπ |
Applicable medium | Νερό, ατμός, λάδι, νιτρικό οξύ, οξικό οξύ, οξειδωτικά μέσα, ουρία και άλλα μέσα |
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