Type WA Safety Slips are the necessary tools. It is essential hold-up device for drilling string and drill tools. When adjusting the working range,it is only necessary to reassemble connecting pins and split pins of chain links. lakepetroleum[at]hotmail.com

MAIN　PARAMETERS　OF　TYPE　WA　SERIES　SAFETY　SLIPS

Type     Pipes OD No.of chain links   Max.load KN(t)   mm in WA89-270/225             89～118 3　1/2～4　5/8 7             225(25) 114～143 4　1/2～5　5/8 8 140～168 5　1/2～6　5/8 9 165～194 6　1/2～7　5/8 10 191～219 7　1/2～8　5/8 11 216～245 8　1/2～9　5/8 12 241～270 9　1/2～10　5/8 13 Cosumers can select the suitable No.of insert chain links according to pipe OD.