Rigid doctors are loaded against the roll with either manual,spring-loaded pressure rigs, or pneumatic air cylinder systems. Conforming doctor systems are fixed in position with either torque arm assemblies or properly sized air cylinders that produce more force than pneumatic blade holders.

G-varadan offers light and heavy-duty pressure rigs, air cylinders to suit any size doctor, and proprietary all stainless steel torque arm assemblies with specially coated rod ends for trouble-free operation under any loading condition.