The molded ptfe ring is bonded into a groove in the disc face for maximum service life 這種模鑄聚四氟乙烯環(huán)粘合在閥瓣表面的槽內(nèi),最大限度延長使用壽命。
The molded ptfe ring is bonded into a seat ring groove in the face for maximum service life 這種模鑄聚四氟乙烯環(huán)粘合在閥座表面的閥座環(huán)槽內(nèi),最大限度延長使用壽命。
Hardened seating surfaces ? both disc and body seating surfaces are hard faced for maximum service life 硬化的閥座表面?閥瓣和閥體地閥座表面都經(jīng)過表面硬化,最大限度延長使用壽命。
These valves shall have ptfe seats and fpm seals for maximum service life and protection against external leakage 這些閥門應(yīng)該配置聚四氟乙烯閥座和fpm密封,使其使用壽命更長,更有助于防止外泄漏。
Body ? full ported , heavy duty body with api 600 wall thickness for maximum service life . provided with bosses for optional by - passes or drains 閥體-全流道(全端口) ,重型閥體,符合api600標(biāo)準(zhǔn)的壁厚,最大限度延長使用壽命??膳渲糜糜谂月烽y或排泄閥的輪轂。
Valves may be sized to match existing lines , but swing check and stop - check valves should also be sized according to flow conditions for maximum service life 可以根據(jù)現(xiàn)存的相匹配的管線來確定閥門通徑,但是旋啟式止回閥和截止止回閥還應(yīng)該根據(jù)最大限度延長使用壽命的流體狀況來確定閥門通徑。