久久久亚洲福利精品午夜 I 97视频福利 I 91刺激视频 I 粗又黑又硬好爽高潮视频 I 法国一级黄色片 I 国产一级自拍视频 I 黑人巨粗挺进女警体内 I 国产边摸边吃奶叫床视频 I 宝贝,爽不爽 I 你懂的毛片 I 99国产亚洲 I 在线一区欧美 I 亚洲欧美日韩国产综合在线 I 50度灰在线 I 少妇视频 I 东京热无码中文字幕av专区 I 国产这里只有精品 I 国产欧美一区二 I 国产午夜福利短视频 I 91蝌蚪网 I 国产精品无码午夜福利 I 色欲久久九色一区二区三区 I 日本道色综合久久 I 欧美区亚洲区 I 中文字幕日本六区小电影 I 婚礼被全村肉高h文 I 老鸭窝av在线 I 国产一区二区三区免费观看 I av亚洲产国偷v产偷v自拍麻豆 I 超碰2022 I 69爱爱视频 I 国产精品10p I 国产高清三级 I 91在线观看 I 日本狠狠干 I 18禁无遮挡羞羞污污污污免费 I 国产 你懂的 I 日韩激情二区 I 美丽人妻系列无码专区 I 日韩av大全 I 久久国产精品小视频 I 麻豆av电影在线观看 I bl肉视频 I 免费成年人 I 久久亚洲精品ab无码播放 I 深夜免费视频 I 久久再线视频 I 欧美性少妇18aaaa视频 I 国内精品久久久久伊人av I 人妻少妇精品系列 I 欧洲性猛交 I 男女性生活视频免费看 I 日本一道本高清 I 国产网红在线 I 六十路高龄老熟女m I a级免费观看视频 I 好大好爽再深一点小说

● Application:

Secondary polyurethane belt scraper is mounted on the plain working surface of the return belt, under the pulley.

● construction features:

1. The blade is made of polyurethane: anti-abrasion, anti-corrosion, anti-fracture,anti-hydrolysis,no damage to the belt,lengthen service life of belt.

2.Used together with the primary cleaner, has a self-adjusting spring tensioner system to maintain close contact with the belt without damaging the belt and achieve good cleaning results.

● Specifications:

L1,L2,L3 can be adjusted according to the belt width.

Heavy-duty secondary pu belt scraper DB-ZPPU

DB-ZPPU Heavy-duty secondary Polyurethane Belt scraper is designed for high-speed conveyor systems. The size of heavy-duty PU blade is increased and it prolongs service-time of the cleaner.choose heavy duty scraper when belt speed ≥3.5m/s.

L1,L2,L3 can be adjusted according to the belt width