91内射,136福利导航视频,新婚第一次一级毛片,国产Av毛片

 

技術(shù)特點(diǎn)

◆雙鏈條驅(qū)動(dòng)，運(yùn)行平穩(wěn)，隱藏安裝。特別適用于較大、超寬型的上懸窗、下懸窗、中懸窗、斜屋頂窗、排煙天窗等多種窗型的安裝與使用。

◆大于30000次推出及拉回的壽命設(shè)計(jì)，經(jīng)負(fù)載測(cè)試合格。

◆內(nèi)置接線端子，方便布線滿足消防布線的要求。

◆保護(hù)等級(jí)：IP32E。

◆開啟行程100-800mm，可根據(jù)用戶需求定制。

◆產(chǎn)品符合國標(biāo)：GB/T 19001-2008，通過歐盟CE認(rèn)證和中國***消防電子產(chǎn)品認(rèn)證。

 

Technical Features

◆ Double chain drive structure, stable running, hidden installation. Especially suitable for various top-hinged window, bottom

-hinged window, center-pivoted window, sloping roof window &smoke ventilation skylights.

◆ Designed life: more than 30000 times push-pull cycles.

◆ Terminals built-in, convenient for fire control wiring.

◆ Protection class: IP32E.

◆ The stroke can be customized according to customer requirements.

◆ In conformity with GB/T 19001-2008, passed the CE &CCCF certification.

技術(shù)參數(shù)/Technical Date