您最佳的合作伙伴 井内钻探设备
Ball screw gate valve
Nominal diameter: 4-1/16” - 9” Nominal pressure: 5000 - 20000 psi Temperature rating: L, P, R, S, T, U, V, X (-46° - 180°) Material grade: AA, BB, CC, DD, EE, FF Specification level: PSL1, PSL2, PSL3, PSL3G Performance level: PR1, PR2
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