Original Becker vacuum and pressure regulating valves

-for rotary vane pumps, dry-running

vacuum control valves

ST 688

[bar] relative kg use Order no.
ST 688-0-1 0 … -0.85 0.04 VT 4.4 – VT 4.8 73600099688
ST 688-0-2 0 … -0.45 0.04 VT 4.2 73600299688

ST 613

[bar] relative kg use Order no.
ST 613-0-1 0 … -0.6 0.22 T/X 4.25DSK – 4.40DSK 73600099613
ST 613-0-2 0 … -0.95 0.22 VT 4.10 - VT 4.40 - VX 4.10 - VX 4.40 73600199613
ST 613-0-3 0 … -0.5 0.22 T/X 4.10DV – 4.16DV 73600299613

ST 624

[bar] relative kg use Order no.
ST 624-0-1 0 … -0.6 0.38 DVT 3.60 – DVT 3.140 – DVX 3.60 – DVX 3.140 73600099624
ST 624-0-2 0 … -0.95 0.38 KVT 3.60 - KVT 3.140 - KVX 3.60 - KVX 3.140 73600199624
ST 624-0-3 0 … -0.3 0.38 KVT 3.60 - KVT 3.140 - KVX 3.60 - KVX 3.140 - DVT 3.60 - DVT 3.140 - DVX 3.60 - DVX 3.140 73600299624

pressure control valves

ST 687

[bar] relative kg use Order no.
ST 687-0-1 0 … +1.0 0.04 DT4.4 – DT4.8 72800099687
ST 687-0-2 0 … +0.6 0.04 DT 4.2 72800399687

ST 611

[bar] relative kg use Order no.
ST 611-0-1 0 … +0.6 0.25 T/X 4.10DV – 4.16DV – 4.25DSK – 4.40DSK 72800299611
ST 611-0-2 0 … +1.0 0.25 DT 4.10 - DT 4.40 - DX 4.10 - DX 4.40 72800399611
ST 611-0-3 0 … +0.6 0.25 DT 4.25/0-80 – DT 4.40/0-80 / DX 4.25/0-80 – DX 4.40/0-80 72800699611

ST 622

[bar] relative kg use Order no.
ST 622-0-1 0 … -0.6 0.38 KDT / KDX / DVT / DVX 3.60 – 3.140 72800099622
ST 622-0-2 0 … -0.95 0.38 KDT 3.60 – KDT 3.140 – KDX 3.60 – KDX 3.140 72800199622
ST 622-0-3 0 … -0.3 0.38 KDT 3.60 – KDT 3.140 – KDX 3.60 – KDX 3.140 72800299622