VALVE:DOUBLE BLOCK AND BLEED 1 X 1/2IN CLASS 1500 RTJ FLG X FNPT VENT ASTM A182 GR F51 BODY NACE TRI
VALVE:DOUBLE BLOCK AND BLEED 1 X 1/2IN CLASS 1500 RTJ FLG X FNPT VENT ASTM A182 GR F51 BODY NACE TRIM GATE 14 NEEDLE-5
VALVE:DOUBLE BLOCK AND BLEED 1 X 1/2IN CLASS 1500 RTJ FLG X FNPT VENT ASTM A182 GR F51 BODY NACE TRIM GATE 14 NEEDLE-5
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