siemens西门子 VKF46.40 VKF46.50 VKF46.65 VKF46.80电动蝶阀

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∂ Grey cast iron housing EN-GJL-250 (to DN 300)
nodular cast iron housing EN-GJS-400-15 (from DN 350)
∂ DN 40…600
∂ kvs 50…29300 m3/h
∂ For fitting between PN 6, PN 10, PN 16 counter-flanges to ISO 7005
∂ Tight-closing in accordance with EN 12266-1, leakage rate A
∂ No maintenance required
∂ Optional ASK46.. manual adjuster (to DN 400)
∂ Optionally equipped with electromotoric actuators SAL.. or SQL36E..