S98H-Hero-min https://www.bray.com/images/default-source/products/controls/s98h/s98h-hero-min.png?sfvrsn=365fec14_0

Scotch Yoke Hydraulic Actuator

Series 98H

Output Torque
1,629 to 885,100 in-lb
(187 to 100,000 Nm)
Temperature Range
-50°F to 212°F
(-46°C to 100°C)
Pressure Ratings
500 - 3000 psi
(35 - 207 bar)

Specifications

Scotch Yoke Hydraulic Actuator - Series 98H

Output Torque
1,629 to 885,100 in-lb
(187 to 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
Pressure Ratings
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
Applications
Emergency Shutdown
Valve Compatibility
Ball Valves, Butterfly Valves

Features & Benefits

Bray's engineering excellence and precision manufacturing have produced the Series 98 hydraulic actuator, part of our modular, fully configurable product line optimized for direct mounting on Bray valves for flexibility and efficiency at reduced cost. Series 98 actuators were designed primarily for hydraulic operation to a maximum pressure of 3000 psi (207 Bar) and for temperature ranges of -50°F (-46°C) to 212°F (+100°C).

 

Features

  • Compact design offers a high torque to weight ratio
  • Modular Design offers easy configuration in the field
  • Module alignment ensured by precision machined centering rings
  • Torque Output ranging from 1,629 to 885,100 in-lb (187 to 100,000 Nm)
  • Spring End Torque ranging from 2,744 to 445,261 in-lb (310 to 50,306 Nm)
  • Standard premium epoxy/polyurethane coating 

 

Operating Conditions

  • Pressure Range: 500 - 3000 psi (35 - 207 bar)
  • Media: Hydraulic Fluid
  • Temperature Range Options:
    • Standard: -20°F to 212°F (-29°C to 100°C)
    • Low Temperature: Down to -50°F (-46°C)
    • PED: -20°F to 176°F (-29°C to 80°C)
  • Torque Base: Mounting Dimensions per ISO 5211: 2001(E)
  • Accessories: Shaft Driven Accessories Mounting per NAMUR-VDE
  • Performance Testing: EN 15714-4:2009
  • Ingress Protection: IP67M & IP68 per IEC 60529
  • Safety: ATEX, SIL 3 suitable, PED on request

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