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Continue to ChatASCO SCG291A210 - 2/2 NC, G1/4, Orifice Size 5.6mm, Series 291 Proportional Direct Operated Vapour Recovery Valves https://www.valves-direct.com/product/asco-scg291a210-2-2-nc-g1-4-orifice-size-5-6mm-series-291-proportional-direct-operated-vapour-recovery-valves/