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Address: The west of Yellow River Road, Puyang City, Henan Provice, China .
Phone: +86-393-8910958
Fax: +86-393-8910966
Attn : Linda cheng
Mobile: +86-13912509378
WhatsApp:+86-13912509378
E-mail:zyblt(at)126.com
blt_coupling(at)yahoo.com
Website: www.17v38.com
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Manual Tongs Type DB
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Parameter description：
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DB MANUAL TONGS is an essential tool in oil drilling operation to fasten or remove the screws of drill pipe and casing joint or coupling.it can be adjusted by change lug jaws
Main Technical Parameters
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No.Of Latch lug jaws
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Latch step
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Size Range
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Rated Torque
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in
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mm
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KN.m
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1#
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1
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31/2-6
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88.9-152
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90
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2
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5 3/4-7
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146-178
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3
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6 5/8-8 1/4
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168-210
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2#
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1
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8-95/8
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203-244
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2
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10 5/8--111/4
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270-286
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3#
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1
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11 3/4-12 3/4
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298-324
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55 |
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2
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13 3/8-14 3/8
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340-365
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4#
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1
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16-17 |
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