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International Lift Systems' RD-1.0, RD-1.0BL, and RD-1.5 wireline retrievable dummy valves are designed to isolate communication between tubing and casing in wireline retrievable mandrels. The RD-1.0 and RD-1.0BL are 1" outside diameter valves using a top latch and integral bottom latch respectively. The RD-1.5 is a 1-1/2" outside diameter valve using a top latch. All these valves straddle and pack-off the ports in the side pocket mandrel using
two sets of packing.
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