755727 GATE VALVE DIN CAST STEEL PN40, FLANGED #3840 DN 250

impacode	755727
uom(单位)	PCE
title(品名)	755727 GATE VALVE DIN CAST STEEL PN40, FLANGED #3840 DN 250
desc(描述)	Cast steel and forged steel gate valves with stainless steel seat, pressure rating PN 40, flanged ends acc. to DIN PN 40, bolted bonnet with yoke, outside screwed stem and yoke, rising stem, non-rising handwheel. DN 15 thru DN 40 : forged steel, face to face acc. to EN 558-1, 1 (DIN 3202-F1) and solid wedge. DN 50 thru DN 300 : cast steel, face to face acc. to EN 558-1, 26 (DIN 3202-F7) and flexible wedge. Application : steam, hot and cold water, oil, air, gas etc. Remark: the gland packing can be replaced during operation with the wedge in fully-open position.
cdesc(自动翻译)	755727 阀门 - 钢制，DIN 标准，PN40，法兰连接，型号为#3840，DN 250。该阀门采用铸钢和锻造工艺制成，带有不锈钢座圈，工作压力等级为 PN40，法兰端面符合 DIN PN 40 标准，带有轭形顶盖、外螺纹杆和轭形结构，升起式手轮。DN 15 至 DN 40 的阀门采用锻造工艺，面对面连接，遵循 EN 558-1 标准的 1 级（DIN 3202-F1），并采用实心楔形密封。DN 50 至 DN 300 的阀门则采用铸钢材料，面对面连接，遵循 EN 558-1 标准的 26 级（DIN 3202-F7），并且配备柔性楔形密封。应用范围广泛，适用于蒸汽、热水、油、空气、气体等介质。特别说明：在阀门全开状态下，可以通过更换楔形密封件在运行过程中进行维护。

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