国产精品不卡av在线观看,久久综合九色综合欧美狠狠,又粗又长又硬义又黄又爽,久久精品国产欧美激情无码

Shandong Zhongrui Construction Machinery Co., Ltd official website!

National Service Hotline:
15005366588
ZRC4-DHD340 Impactor-4 inch
ZRC4-DHD340 Impactor-4 inch
 
 

ZRC4-DHD340 impactor technical parameters

Total length

(Excluding drill bit)

Total weight

(Excluding drill bit)

Outer diameter of impactor

Can be equipped with drill shank

Drilling range

Rear connector thread

1046mm

42Kg

φ99mm

Cop44(DHD340)

φ110~φ135

API(2 3/8)″REG

Available working wind pressure

At 1.7MPa

Impact frequency

Recommended speed

Air consumption

1.0MPa

1.8MPa

2.4MPa

1.0~2.5MPa

27HZ

25~40r/min

6m3/min

10m3/min

15m3/min

Characteristics of ZRC4-DHD340 impactor

1. Mainly used in mines requiring drilling operations above 110mm;

2. Use valveless gas distribution, reliable gas distribution;

3. The internal structure is simple and not easy to damage;

4. Low air consumption, wind and oil saving, fast drilling speed;

5. The internal structure is simple and reasonable, and the maintenance is convenient; the parts have good consistency, high reliability, low overall failure rate, low disassembly frequency, long impact life, and low use cost.

 

 
国产黃色A片三区三区三小说 | 久久久久亚洲AV无码专区 | 97SE亚洲国产综合在线 | 国精产品秘 福利姬入口 | 成人精品一区二区三区动漫 | 美女极品嫩苞无套内射 | 亚洲日本韩国精品无码 | 四房五月天婷婷丁香五月 | 国产在线无码AV | 日本免费三级黄色电影网站 | 99国产精品白浆无码流出软件 | 国产极品久久久久久久久波多结野 | 精品人妻伦一二三区免费 | 午夜精品视频在线观看 | 久久久久久久久久性爱潮久久久久久久久久 | 人人添人人澡久久婷亚洲AV | 国产精品久久一区二区三影音先锋 | 一本一道久久a久久精品蜜桃 | 中文字幕免费高清电视剧网站 | 张怕芝无码A片免费看 | 免费无码aa一区 | 国产农村一级特黄妇女A片一 | 国产精品国产三级国产专区53 | 特级婬片A片AAA毛多妇科医生 | 一级毛片国产A级毛片老师 中文日韩欧美一区二区三区 | 免费一级无码婬片AAAAA夜秀 | 十大黄台网站在线观看 | 少妇一区二区三区高清理伦片 | 国产最新中文字幕在线 | 极品嫩苞撕裂哭叫灌白浆在线观看 | 亚无毛码大u免费七mhrd和 | 国产搡BBB爽爽爽视频 | 日本女人高潮视频麻豆 | 欧美一级婬片A片久久精品樱花 | 精品人妻少妇嫩草AV无码久久洗澡 | 午夜丝袜AV在线播放网址 | 红桃一区二区视频 | 国产真实乱婬A片三区高清蜜臀 | 亚a洲成人无码久久久 | 久久精品日韩中文字幕亚洲一区 | 麻豆亚洲AV成人无码一区精品 |