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CLARKSON SEVERE SERVICE KNIFE GATE VALVES
MODEL KS3 ACTUATOR SELECTION GUIDE
MANUAL HANDWHEELS
Valve Size Actuation Type Handwheel Stem
NPS DN Model Code M X T
380 Manual Handwheel Standard (12" / 300 mm) 17-4 (STD)
4100 Standard (20" / 500 mm)
LEGEND
Color Code Manual/Bevel Gearbox
Definition
Air/Pneumatic Cylinder
Definition
Hydraulic Cylinder
Definition
STANDARD
80 lb rim pull,
525 psi differential (3"-20")
375 psi differential (24"-30")
100 psi feed,
525 psi differential
2000 psi feed,
750 psi differential
Emerson.com/FinalControl © 2023 Emerson. All Rights Reserved.
380
Bevel
Gearbox
STD
17-4
(STD)
4100 STD
6150 STD
8200 STD
10 250 STD
12 300 STD
14 350 STD
16 400 STD
18 450 STD
20 500 STD
24 600 STD
26 650 STD
28 700 STD
30 750 STD
BEVEL GEARBOXES
Valve
Size
Actuation
Type
BG Ratio / HW Size
Stem
BG 1:1 BG 2.5:1 BG 3.25:1 BG 12.5:1 BG 8:1 BG 17.5:1 BG 19:1
12" /
300 mm
12" /
300 mm
24" /
600 mm
24" /
600 mm
24" /
600 mm
29.5" /
700 mm
29.5" /
750 mm
NPS DN Model Code B 1 2 6 8 9 D E T
380
Air/Pneumatic Chrome-plated Steel
STD
4100 STD
6150 STD
8200 STD
10 250 STD
12 300 STD
14 350 STD
16 400 STD
18 450 STD
20 500 STD
24 600 STD
PNEUMATIC ACTUATORS
Valve Size Actuation Type Piston Rod 45810 12 16 18 22 24 28
NPS DN Model Code A 2 4 5 8 A B D E G H K
VCTEC-17317-EN 23/07
NPS 4 / DN 100 Manual Handwheel Manual Handwheel Standard (12" / 300 mm) 17-4 Stem Standard
M X T
NPS 14 / DN 350 Bevel Gearbox Bevel Gearbox BG 8:1 (24" / 600 mm HW) 17-4 Stem Standard
B 9 T
NPS 4 / DN 100 Air/Pneumatic Cylinder Air / Pneumatic Chrome-plated Steel 5" Bore
A 2 5
NPS 10 / DN 250 Hydraulic Cylinder Hydraulic Chrome-plated Steel 4" Bore
H 2 4
EXAMPLES
Valve Size Actuation Type Actuator Description (Top) / Model Code (Bottom)
VCTEC-17317-EN © 2023 Emerson Electric Co. All rights reserved 07/23. Clarkson is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. The Emerson logo is a trademark and service mark
of Emerson Electric Co. All other marks are the property of their prospective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services
described herein or their use or applicability. All sales are governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.
Emerson Electric Co. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Emerson Electric Co. product remains solely with the purchaser.
Emerson.com/FinalControl
CLARKSON SEVERE SERVICE KNIFE GATE VALVES
MODEL KS3 ACTUATOR SELECTION GUIDE
380
Hydraulic Chrome-plated Steel
STD
4100 STD
6150 STD
8200 STD
10 250 STD
12 300 STD
14 350 STD
16 400 STD
18 450 STD
20 500 STD
24 600 STD
26 650 STD
28 700 STD
30 750 STD
HYDRAULIC ACTUATORS
Valve Size Actuation Type Piston Rod Cylinder Bore
1.5 2.5 3.25 4567810
NPS DN Model Code H 2 1 L 3 4 5 6 7 8 A
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