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Pneumatic pipe-rammer hammer, 1. outer diameter: 85-415mm;, 2. length: 1400-2800mm. - details see: https://www.machineto.com/pneumatic-pipe-rammer-hammer-10108525

BH series Pneumatic pipe-rammer, it is new style equipment used for laying the pipes under the ground, suitable to work in the claypan, clay loam, sand layer, mixed backfill layer, the Max. pipe laying diameter is Φ1200mm, suitable for laying the steel pipes in very short distance. Mainly used for laying high precision pipe, bigger diameter pipes. These series equipments have very good application to the ground, easy operating, less investment, and lower construction cost.

BM series pneumatic spear, named also hamster, which is suitable to laying the pipes in very short distance in the compressed soil horizon and the pipes are with smaller diameter

Main parameters:

Model	BH85	BH190	BH260	BH300	BH350	BH420
outer dia.of the Main machine	Φ85mm	Φ190mm Φ200mm	Φ 260mm Φ270mm	Φ300mm Φ310mm	Φ350mm Φ365mm	Φ405mm Φ415mm
Main machine length	1400mm	1600mm	1900mm	2100mm	2400mm	2800mm
Machine Weight	40kg	200kg	520kg	750kg	1200kg	1950kg
Air consumption	1-2 m3/min	4-6m3/min	6-9m3/min	9-12m3/min	12-18m3/min	12-24m3/min
Air pressure	0.4-0.7MPa	0.4 -0.7MPa	0.4 -0.7MPa	0.4 -0.7MPa	0.4-0.7MPa	0.4-0.7MPa
Available pipes diameter	≤Φ73mm	Φ159- Φ 325mm	Φ219- Φ529mm	Φ273- Φ630mm	Φ325- Φ830mm	Φ426- Φ1200mm
Standard equipped pipe laying diameter	≤Φ73mm	Φ 219mm, Φ273mm, Φ325mm	Φ273mm Φ325mm Φ 426mm	Φ325mm Φ426mm Φ529mm	Φ426mm Φ529mm Φ630mm	Φ426mm Φ529mm Φ630mm
Available pipe laying diameter	Φ89mm,Φ108mm,Φ127mm,Φ159mm,Φ219mm,Φ273mm,Φ325mm,Φ377mm,Φ 426mm,Φ529mm,Φ 630mm,Φ 730mm,Φ 830mm

3.1 Pneumatic pipe-rammer is insist of pipe hammer, high pressure hose, oil injecting system, lubricating system and other parts, the follow picture is the main structure.