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| 1-Body: |
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A-double Block & Bleed. |
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| 2-Ball: |
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A-
Mounted Trunion.
B- Pressure Relief Hole. |
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| 3-Operating: |
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A- Gear Box.
B- Pneumatic Actuator.
C- Electric Actuator.
D- Hydraulic actuator.
E- 25x 25 mm "T" Wrench. |
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| 4-End Type: |
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A-
Threaded.
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B- Welded. |
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| 5-Under ground: |
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Valves used in underground applications: fully modifies to acheive a complete isolation from the outer surroundings. Operated by
one of the following:
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T-wrench
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Underground gear box with T-wrench adapter
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Surface portable gear box which is a Qualival creation used for the first time in the feild.
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