Basic features:
- Cast iron housing (ductile iron optional)
- Protected input shaft (Stainless Steel optional)
- 15 sizes up to 32,000 Nm (23,600 lbf.ft) output
- Ratios from 34:1 to 729:1
- Rugged construction for all environments
- IP67
- Axial needle bearings
- Polyurethane coating.
- Stroke: 0 to 90º (+/- 5º adjustable)
Options:
- Stainless steel input shaft
- Ductile iron
- IP68
- AWWA
- Various environments
- Padlockable hanndwheels
- Limit switches
- High and low temperatures
- Buried service
Accurate details upon request or visit the official website of Manufacturer (Rotork)
Main technical features:
Design is available in 15 sizes - up to 32 000 Nm (283 224 lbf in) output torque rate
Ambient temperture: -20 .. + 120 °C
Sizes: AB150 - AB250/ PR10 (detailed in manufacturer' catalouges)
Ratios: from 40:1 up to 729:1
Output torques: from 150 up to 32 000 Nm (1328 lbf in-283 224)
Valve ISO-top connection interfaces (baseplates):
AB 150 (F04-07); AB210 - AB6800/PR4-either standard or by large baseplate (F07-F12/ F16-F30)
AB6800BBLB/ PR6-A250/ PR10 only one sizes of baseplates available at each AB unit (F25-F40)
... More accurate details in manufactuer' catalouges
Basic handwheel sizes and raw material:
SG200, SG250, SG300 .. SG1000-ig (steel)
SG200 .. SG800-ig (stainless steel - SS316)
Available designs and IP-protection levels:
AB-N (IP67) -standard solution if nothing special is demanded
AB-W (IP68) - onshore and offshore, or naval unit- suitable against water ingress
AB-G (IP68) -buried (underground) design - by special coating/ insulating + basic raw material
AB-CS (IP68) - continuous submerged application (down to depth of 20 metres)
Valve connection versions - by insert rings/ OR machined quadrant
Option by using insert ring:
keyed stem (shaft)
Flat Head stem (shaft)
Square stem (shaft)
Basic input shaft and keyway orientation (needed information at ordering stage):
Input Shaft - left hand- rotation direction IN/ OUT - CLOCKWISE (LH-A2) - as standard orientation
Options available: B1; A1; B2 - detailed by draft drawings in manufacturer' catalouges
Position of keyway in case of Valve is CLOSED
Keyway in closed position ON CENTER/ OFF CENTER
Optional features can be supplied:
Design suitable for high temperature up to 200 °C
Design for low temperature down to -60 °C
Chain wheel+ by chain drive (pl.: Rotork RotoHammer products) + Limit switch boxes
Flexible units for stem extension
Remote position indicator (ECL)
Fireproof Design acc. to ISO 10497 guidelines
Interlock safety system
Oxigen and food grade grease applications
