ʻO nā Valve Refining & Petrochemical

ʻO Valve Bonnet Gate Valve

Nā hiʻohiʻona hoʻolālā huahana 1. Hana ʻia nā hoʻolālā ʻelua a me ka hana ʻana ma hope o GB / T 12234, API600 a me API602. Hōʻike nā huahana i kahi hanana kūpono, sila paʻa paʻa, hana maikaʻi a me nā hoʻohālikelike maikaʻi. 2. Co paʻa paʻa paʻa welded sealing ʻili, kahi e ʻaʻa nei, ʻaʻai ʻaʻai, hōʻoia abrasion a me ka lōʻihi-ola. 3. nitrogenized ka papa a me ka pāpāho hoʻoponopono o ka lāʻau kiwikā no laila he ʻaʻai a he pale abrasion. 4. PN≥15.0MPa (Papa 900), ...

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