Overview
KOSAPLUS started with the scotch yoke actuator for its high torque in a small size, then added a rack and pinion range for smaller sizes and easy maintenance.

2
Mechanisms
10,000+ Nm
Max torque (A300)
-40 to 200°C
Temperature options
CE · ATEX · SIL
Certified
Description

Scotch Yoke · AD / AS series
High torque in a compact body, for larger ball and butterfly valves.
- KOSAPLUS range
- A50 – A300
- Torque
- Over 10,000 Nm
- Ball valves
- Up to 400A (16")
- Butterfly valves
- Up to 1,000A (40")
- Industries
- Semiconductor, oil & gas, power, water

Rack & Pinion · RD / RS series
Small, cost-effective actuators that are easy to maintain.
- KOSAPLUS range
- R32 – R210
- Torque
- From 4 Nm
- Ball valves
- Up to 250A (10")
- Butterfly valves
- Up to 400A (16")
- Industries
- HVAC, factory automation, batteries, food
Model Range
AD65

AD
Double acting

AS
Spring return

RD
Double acting
Highlighted models have prices online. Click any model for its details.
Browse all seriesModel Code
A
6
N
D
A
K
K
1012
C27
OP
Mechanism
- A
- Scotch yoke
- R
- Rack & pinion
O-ring
- N
- NBR
- V
- Viton
- E
- EPDM
- S
- Silicone
Type
- D
- Double acting
- W · M · S
- Weak · middle · strong spring
Action
- A
- Fail closed
- B
- Fail open
- C
- Fail closed / open CW
- D
- Fail open / open CW
ISO 5211 flange
- 3 · 5 · 7
- F03 · F05 · F07
- 10 · 12
- F10 · F12
- 14 · 16
- F14 · F16
Air connection
- T4 · T8 · T2
- PT 1/4 · 3/8 · 1/2
- N4 · N8 · N2
- NPT 1/4 · 3/8 · 1/2
- F4 · F8 · F2
- PF 1/4 · 3/8 · 1/2
Options
Surface treatment
Epoxy, Teflon or urethane coating, or C5M
Angle adjustment
Centre stopper up to 45°, side stopper up to 90°
Battery industry
Low copper, zinc and tin versions
Temperature
Low (-40°C) and high (200°C) versions
Documents
E-Catalogue
Full specifications and dimensions (PDF)
Certificates
CE, SIL, ATEX and IECEx certificates
Request a Quote
Prices for any size and project quantities