Overview
The VKSD and VKSD-FL are disc brake calipers designed for energy and offshore applications. These brakes are spring-applied and hydraulically released, featuring two spring modules on either side of a mounting plate. The VKSD-FL includes a floating module for enhanced functionality.

Specifications
- Disc Thickness: Minimum 20 mm
- Disc Diameter: Minimum 1000 mm, no maximum
- Braking Force: Varies with air gap setting and hydraulic pressure
- Temperature Range: Low temperature version available for -40ºC
- Weight: 146 kg for two modules
- Volume Displacement: 28 ml per 1 mm stroke at both pads

Performance
The braking force is dependent on the air gap setting, with a nominal coefficient of friction of 0.4. The VKSD-FL allows for variation in braking force through air gap adjustments, shim thickness, or hydraulic back pressure.

Braking Force and Hydraulic Pressure

Caliper Type	Air Gap (mm)	Braking Force (kN)	Hydraulic Pressure for Full Retraction (Bar)
VKSD119	2	119	138
VKSD112	2	112	138
VKSD104	2	104	124
VKSD96	2	96	116
VKSD88	2	88	108
VKSD80	2	80	100
VKSD71	2	71	92
VKSD62	2	62	83
VKSD58	2	58	63
VKSD53	2	53	58
VKSD47	2	47	53
VKSD41	2	41	47
VKSD34	2	34	41
VKSD28	2	28	34

Recommendations
New pads require bedding-in through dynamic braking to achieve optimal performance. It is crucial to maintain high cleanliness and dryness at the friction surfaces for effective braking.

Contact Information
Twiflex Ltd, 9 Briar Road, Twickenham, Middlesex, England TW2 6RB
Phone: +44 (0) 20 8894 1161
Email: [email protected]