DELONGTAI閥門 FIG990DN100蝶閥 FIG 990 DN100(990W0100-I0S0S0E0M2K） +F89U-006DA KEYSTONE keystone蝶閥,凱斯通閥體,凱斯通對夾式氣動蝶閥閥體,F990DLT150蝶閥,F990/DLT150I0S0S0E0M8K ,F990/DLT200I0S0S0E0M8K,F990//DLT150I0S0S0E0M8K F990DLT150+F89U014DA+EP5氣動調(diào)節(jié)蝶閥 KEYSTONE進(jìn)口氣動調(diào)節(jié)閥 F990DLT125+F89U014DA+EP5氣動調(diào)節(jié)蝶閥 凱斯通進(jìn)口氣動調(diào)節(jié)閥 F990DLT150+F89U014DA+YT-3300氣動調(diào)節(jié)蝶閥 F990DLT125+F89U014DA+YT-3300氣動調(diào)節(jié)蝶閥 KEYSTONE開關(guān)蝶閥 FIG990 DN100(990W0100-I0S0S0E0M2K)+F89U-006DA keystone氣蝶閥F990/T805/DN100 蝶閥 FIG 990 DN200(990W0200-I0S0S0E0M2K) 蝶閥 FIG 990 DN100(990W0100-I0S0S0E0M2K) Keystone GRW Fig990 DN50 (990W0050-I0S0S0E0M2K Fig990 DN65 (990W0065-I0S0S0E0M2K) Fig990 DN100 ( 990W0100-I0S0S0E0M2K) Fig990 DN125 ( 990W0125-I0S0S0E0M2K) Fig990 DN150 ( 990W0150-I0S0S0E0M2K) Fig990 DN200 ( 990W0200-I0S0S0E0M2K) 克西頓蝶閥 DN200,閥板316SS F79U012 F990 DLT200 I0S0S0N0M8K + F89U-020DA + TVA-M2WGNCM 泰科 KEYSTONE F990 F992系列蝶閥 調(diào)節(jié)型蝶閥F990/F991/F992 特點及優(yōu)點 *Keystone標(biāo)準(zhǔn)頂法蘭 *關(guān)閉嚴(yán)密 *閥桿兩級密封 *壽命長 *連接方式：對夾、支耳 標(biāo)準(zhǔn)規(guī)范 尺寸（mm）:25-500 適用溫度（攝氏度）：-40-150 壓力（MPa）:1.0 閥體材質(zhì)：鑄鐵，球墨鑄鐵 閥板材質(zhì)：不銹鋼 閥桿材質(zhì)：不銹鋼 閥座材質(zhì)：乙丙橡膠，丁晴橡膠，聚四氟包乙丙橡膠，聚四氟包丁晴橡膠, 丁納橡膠Buna N 應(yīng)　用 適用化學(xué)水處理 化工，食品，泥漿，造紙，氣力輸送，一般工業(yè) 適用介質(zhì)：油、氣、水腐蝕性介質(zhì) keystone Fig F990-CEE4DN350