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MB1-Single Block mavharuvhu
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BB1-Flange Block uye Bleed mavharuvhu
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BB2-Monoflange Single Block uye Bleed Valves
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BB3-Double Block mavharuvhu
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BB4-Single Block uye Bleed Mavharuvhu
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DBB1-Flange Double Block uye Bleed Mavharuvhu
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DBB2-Large-bore Bolted Double Block uye Bleed Mavharuvhu
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DBB3-Monoflange Double Block uye Bleed Mavharuvhu
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DBB4-Double Block uye Bleed Valves
