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NG # 09330016-HW-BRAY-016
Scotch Yoke Hydraulic Actuator – Series 98H is a compact, modular actuator designed for high-torque valve automation. Its hydraulic operation, flexible configuration, high torque-to-weight ratio, and direct-mount design provide dependable control for demanding ball and butterfly valve applications, including emergency shutdown service.
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Custom Pricing
Get A QuoteThe Series 98H Scotch Yoke Hydraulic Actuator delivers output torque from 187 to 100,000 Nm with operating pressures from 35 to 207 bar. It supports on/off, throttling, direct-acting, and spring-return configurations, with temperatures from -46°C to 100°C depending on configuration. ISO 5211 mounting, IP67M/IP68 protection, ATEX and SIL 3 suitability, and options such as hydraulic dampers, partial-stroke testing, and lockout devices support demanding industrial valve automation.
Output Torque: 1,629–885,100 in-lb (187–100,000 Nm)
Control Options: On/Off, Throttling, Direct Acting, Spring Return
Temperature Range: -50°F to 212°F (-46°C to 100°C)
Power Source: Hydraulic
Maximum Allowable Operating Pressure: 500–3000 psi (35–207 bar)
Enclosure Ratings: IP66/IP67M per IEC 60529
Mounting: ISO 5211: 2001(E), MSS SP-101-1989
Supply Media: Hydraulic Fluid (Standard Trim) – ISO VG 32/46, ISO-L-HV, Flash Point >157°C
Certifications: ATEX, PED, SIL 3
Testing Standard: EN 15714-4:2009
Options: Symmetrical Yoke, Canted Yoke, Extended Stop, Hydraulic Override, Jack Screw,
Jack Screw Gear Driven Override, Hydraulic Damper, Partial Stroke/Lockout
Valve Compatibility: Ball Valves, Butterfly Valves
Applications: Emergency Shutdown
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