Altra Industrial Motion T30 Topdrive Caliper Brake for Oil and Gas Applications Twiflex T30 Caliper Brake The Twiflex T30 is a pressure applied modular brake design, developed to provide a high braking force capacity from a compact assembly. It features a split housing for flexibility of mounting and accommodation of a variety of disc thicknesses. • 120 bar (1740 psi) operating pressure produces 25.4 kN (5710 lb) braking force • Side or centre-mount arrangement • Compact, robust housing design • #4 SAE o-ring port per SAE J1926/1: 7/16-20 • Self-adjusting mechanism maintains a constant air gap for consistent response times • Minimum disc diameter of 245 mm (9.6 in) • Standard disc thickness 25.4 mm (1.0 in) • Design operating range between from -20°C to +70°C (-4°F and 158°F) • Custom levels of finish and protection available

Altra Industrial Motion 118VM Topdrive Plate Brake for Oil and Gas Applications Wichita 118VM Plate Brake The Wichita “VM” brake is a hydraulic pressure applied, single-plate unit designed for high energy dynamic stops, and parking, in vertical-shaft mounted applications. It is intended to install on the upper end of a topdrive motor. It features a sealed piston holding plate to protect against the ingress of dirt and moisture, when fitted with a sealed cover, or may accommodate a speed encoder in the same location. • Designed for ATEX Zone 1 CAT II, Gas B, T3 • 140 bar (2030 psi) operating pressure...