... -Z/70A,YPQ-250B,YPQ400B 7. Product Name: Pneumatic anti-seismic pressure transmitter Packaging & Delivery: Packaging Detail:By wooden caseDelivery Detail ... , Retaining Valve, Shutoff Valve, High Pressure Active Elbow, Well Head Equipment and so on.They are produced according to standard of ... any queries, pls feel free to contact us! Pneumatic anti-seismic pressure transmitter