■高溫高壓焊接式手動閘閥說明 1、本焊接閘閥中部連接方式有法蘭連接與自密封式兩種。 2、閥體長度及焊接口尺寸倒角坡度可根據用戶要求生產。 Directions 1.Connection in the middie part of the welded gate valves may be of either fIabhe lr self-sealing type. 2 Vaive length.Weld size and welding slope may be specified by customer.