... : API 16A 3)Style: Camero/Shaffer 4)H2S resistance Model: Manual Slip124-21Technical parameters:1)Power for up-running preventing:20t2 ... load-bearing slip ect. By braking, it is divided into: manual slip pneumatic slip and hydraulic slip. Various types of slip ... abrasion resistance, corrosion resistance and long service life. SFD124-21 manual up-running preventer slip is designed to prevent damages to ...