亚洲春色Av无码专区校园,亚洲国产精品成人综合色在线婷婷,欧美性xxxx极品hd欧美风情,99精品视频在线在线,天堂久久鸭一区二区

burkert手動(dòng)操作塑料外殼隔膜閥3232訂貨編號(hào)： Body in PVC True union connection 20 15 1/2 3.5 0 - 10 00262360 00144764 25 20 3/4 7.2 0 - 10 00262799 00144765 32 25 1 12.5 0 - 10 00262800

burkert精鑄不銹鋼外殼手動(dòng)隔膜閥3233訂貨號(hào)： Acc. EN ISO 1127/ ISO 4200, diaphragm material EPDM Handwheel PPS/bonnet PPS 8 1/4” 8 13.5 1.0 10 00442147 00442148 10 3/8” 8 17.2 1.0 10 00442171 00442172 15 1/2” 15 21.3

burkert 3234手動(dòng)T型閥特點(diǎn)： *的外殼，沒有焊縫 通過隔膜將介質(zhì)與驅(qū)動(dòng)裝置嚴(yán)格分離 不銹鋼或塑料制手動(dòng)驅(qū)動(dòng)裝置 帶有壓合接頭或焊接接頭的不銹鋼外殼 質(zhì)量認(rèn)證 FDA/ 3A

burkert手動(dòng)底部排放閥3235特點(diǎn)： *的外殼，沒有焊縫 通過隔膜將介質(zhì)與驅(qū)動(dòng)裝置嚴(yán)格分離 不銹鋼或塑料制手動(dòng)驅(qū)動(dòng)裝置 帶有壓合接頭或焊接接頭的不銹鋼一體式外殼

burkert 2103衛(wèi)生級(jí)隔膜閥 The externally piloted diaphragm valve type 2103 consists of a pneumatically operated piston actuator, a diaphragm and a 2-way valve housing made of cast stainless steel