铸钢升降式止回阀H41H-16C(重型)
316L升降式止回阀H41W-16RL
304法兰止回阀H41W-16P(轻型)
铸钢升降式止回阀H41H-16C(重型)
304升降式止回阀H41W-16P
304升降式止回阀H41W-16P
升降式止回阀H41W-16P
国标升降式止回阀H41W-16C
316升降式止回阀H41W-16R
升降式铸钢止回阀H41H-16C(中型)
304升降式止回阀H41W-25P
304升降式止回阀H41W-16P
316法兰止回阀H41W-16R(轻型)
316升降式止回阀H41W-16R
304升降式止回阀H41W-16P
铸钢美标止回阀H41H-16C