Háþrýstingsloftþrýstingur Dth niður holuhamarinn í Kína

DTH hamar eru að vinna með DTH borpípu og DTH bor, aðallega notaðir í námuvinnslu, marmaranámu eða brunnborun og öðrum byggingarverkefnum.

Fyrirmynd	Þráðartenging	OD(mm)	Rec.Hole Stærð	Shank stíll	Vinnuþrýstingur (Bar)
CD35	API 2 3/8" Reg	φ82mm	φ90-φ105	DHD3.5 CD35	1,0-1,5Mpa
CD45	API 2 3/8" Reg	φ99 mm	φ110-φ135	Löggan 44 DHD340 CD45	1,0-2,5Mpa
CSD4	API 2 3/8" Reg	φ99 mm	φ110-φ135	SD4 CSD4	1,0-2,5Mpa
CQL40	API 2 3/8" Reg	φ99 mm	φ110-φ135	QL40 CQL40	1,0-2,5Mpa
CD55	API 2 3/8" Reg API 3 1/2" Reg	φ125 mm	φ135-φ155	Löggan 54 DHD350R CD55	1,0-2,5Mpa
CSD5	API 3 1/2" Reg	φ125 mm	φ135-φ155	SD5 CSD5	1,0-2,5Mpa
CQL50	API 3 1/2" Reg	φ125 mm	φ135-φ155	Löggan 54 QL50 CQL50	1,0-2,5Mpa
CD65	API 3 1/2" Reg	φ148mm	φ155-φ190	Löggan 64 DHD360 CD65	1,0-2,5Mpa
CSD6	API 3 1/2" Reg	φ148mm	φ155-φ190	SD6 CSD6	1,0-2,5Mpa
CQL60	API 3 1/2" Reg	φ148mm	φ155-φ190	Löggan 64 QL60 CQL60	1,0-2,5Mpa
CD85	API 4 1/2" Reg	φ185 mm	φ195-φ254	Löggan 84 DHD380 CD85	1,0-2,5Mpa
CSD85	API 4 1/2" Reg	φ185 mm	φ195-φ254	SD8 CSD8	1,0-2,5Mpa
CQL80	API 4 1/2" Reg	φ185 mm	φ195-φ254	QL80 CQL80	1,0-2,5Mpa
CSD10	API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg	φ225 mm	φ254-φ311	SD10 CSD10	1,0-2,5Mpa
CN100	API 6 5/8" Reg	φ225 mm	φ254-φ311	NUMA100 CN100	1,0-2,5Mpa
CSD12	API 6 5/8" Reg	φ275 mm	φ305-φ445	SD12 CSD12	1,0-2,5Mpa