羞羞视频在线看 I 亚洲成av I 亚洲精品国产精品乱码视色 I 蜜桃色av I 在线视频一区二区三区四区 I 奇米四色亚洲 I 簧片网站在线 I 91AV在线视频观看 I 91精品国产久久 I 亚洲鲁视频 I 久久99久久99精品免视看婷 I 国产第3页

ZRC5-DHD350 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

1226mm

75Kg

φ125mm

Cop54(DHD350R)

φ135～φ155

API(2 3/8)″REG

API(2 3/8)″IF

API(3 1/2)″REG

Available working wind pressure

At 1.7MPa

Impact frequency

Recommended speed

Air consumption

1.0MPa

1.8MPa

2.4MPa

1.0～2.5MPa

25HZ

20～35r/min

9m3/min

15m3/min

23m3/min

Characteristics of ZRC5-DHD350 impactor

1. Mainly used in ground source, water well market and mine mining that require drilling operations above 135mm.

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.