■高溫高壓焊接式手動(dòng)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(zhǎng)度及焊接口尺寸倒角坡度可根據(jù)用戶要求生產(chǎn)。 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.