1. TD341W ventilation butterfly valve
2. PZ673F pneumatic knife gate valve
3. J41W oil prohibition oxygen stop valve
4. DS/Z941H electric water seal gate valve
5. PZ973F electric knife gate valve
6. ZAZSC electric angle control valve
7. T940H electric rotary regulating valve
8. Z673H pneumatic knife gate valve
9. ZMQ pneumatic diaphragm cut-off valve
10. ZQGP pneumatic piston quick cut-off valve
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