成人午夜做爰高潮片免费吸气女生高潮多爽|美女高潮迭起|免费日本av在线观看|日本人妻有码在线|孕妇肚形状看男女准确吗|日本熟妇人妻hd|使劲快高潮了对白av|在线视频人妻中文字幕|日本av在线看片|欧美高潮爽到抽搐在线,欧美日一区二区在线观看,www美女黄片av,熟妇老太晚色

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.