Brief：Christmas Tree Gate Valve

undefinedundefined"3-1/16","4-1/16","5-1/8","7-1/16"
PN: 5000psi,10000psi,15000psi,20000psi,2000psi,3000psi
Material: 4130,rank:AA,BB,CC,DD,EE,FF,HH
Working temperature:L.P.R. S.T.U
Product specification level:PSL 1-4
Performance level:PR1,PR2                                                        &nbs