Pneumatic & Hydraulic Scotch Yoke Actuators
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HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Pneumatic & Hydraulic Scotch Yoke Actuators HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Max-Air Technology, Inc. • 114 Resource Drive • Wentzville, MO 63385 • United States of America Email: sales@maxairtech.com Tel +1.636.272.4934 • Toll Free 888.842.9998 • Fax 636.272.4937 • www.maxairtech.com Back to Table of Contents • info@maxair

Scotch Yoke Actuators Air or fluid powered rotary actuators for heavy duty, high torque applications. Max-Air Technology Heavy Duty Series (HD) Scotch Yoke Actuators are available in two distinct configurations: SHD (symmetric) and CHD (canted) heavy duty selectable torque profiles are designed to perform in the most demanding applications based on valve requirement. Engineered to pneumatically automate all types of quarter turn valves (ball, butterfly, plug, damper), where reliably high torque outputs are necessary. Double Acting 13,367 to 2,738,990 in-lbs, Spring Return 5,328 to 1,320,215...

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Table of Contents Pg - Description 02 - Part Number Builder 03 - Table of Contents 04 - Features & Benefits 08 - Cutaway Views & Materials 10 - Symmetric Design Torques 12 - Canted Design Torques 14 - Dimensions STANDARD WARRANTY Max-Air Technology Inc. | The Best Way to Automate Your Process Max-Air Technology provides the following warranty regarding products manufactured by it. THE WARRANTY STATED HEREIN IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES AND REPRESENTATIONS, EXPRESSED OR...

Scotch Yoke Actuators Air or fluid powered rotary actuators for heavy duty, high torque applications. The Solution for High Torque Applications. Max-Air Technology HD Series scotch yoke actuators are designed to be a comprehensive solution for a range of industrial, high torque applications. Our completely modular design includes a rugged high-strength center body, slide block yoke mechanism, and tensile spring compression for safe and reliable fail-safe action. Actuators can be sized and outfitted with air cylinders or high-pressure hydraulic cylinders to closely match your valve torque...

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Slide Block Technology The slide block has a wide surface contact area, impregnated with graphite, that assures lower contact forces and smoother operation and is designed to withstand higher forces through load distribution, thereby protecting process critical equipment. HD Series Pneumatic Max-Air’s rugged, modular design features high-integrity components with symmetric and canted yoke options to allow for torque profiles that more closely match valve requirements. Seals Standard (BUNA-N)...

Scotch Yoke Actuators Air or fluid powered rotary actuators for heavy duty, high torque applications. Modular Design Pneumatic Cylinder Spring Cartridge Hydraulic Cylinder Modular design, configurable as double-acting or spring return, fail closed or fail open. Center Body Symmetric Yoke Canted Yoke Pneumatic Cylinder Spring Cartridge Hydraulic Cylinder Manual Override Jack Screw Override Hydraulic Handpump Spring Return Size HD16 Only The Jack Screw Override is a Manual Override device that physically compresses the Spring mechanical means via a hand wheel. It is only available on our Size...

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Weights & Air Consumption Double Acting SIZE Spring Return Email: sales@maxairtech.com Back to Table of Contents

HD & HHD Series Technical Data Exploded View & Materials of Construction for Pneumatic and Hydraulic Scotch Yoke Actuators HD & HHD Series Cutaway View & Bill of Materials Upper Bushing Low Carbon Steel+Copper Alloy Travel Stop Travel Stop Nut Center Cover Center Cover Bolt NAMUR Stem Yoke Snap Ring Yoke Pin Sliding Block Guide Block Spring Module Bolt Cover Fixed Pin NAMUR Mounting Plate (Select Sizes) Cylinder Inner Cap Cylinder Outer O-Ring Piston Rod Stainless Steel / Plated Carbon Steel Stainless Steel / Plated Carbon Steel Ductile Iron Stainless Steel Plated Carbon Steel Ductile Iron...

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions This page left intentionally blank. Email: sales@maxairtech.com Back to Table of Contents

SHD Series - Symmetric Design Double Acting & Spring Return Torques Double Acting Actuator Spring Return Actuator Double Acting Torques (in-lbs) Model Email: sales@maxairtech.com Back to Table of Conte

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Spring Return Torques (in-lbs) Spring Torque Email: sales@maxairtech.com Back to Table of Content

CHD Series - Canted Design Double Acting & Spring Return Torques Double Acting Actuator Spring Return Actuator Double Acting Torques (in-lbs) Model Email: sales@maxairtech.com Back to Table of Conte

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Spring Return Torques (in-lbs) Spring Torque Email: sales@maxairtech.com Back to Table of Content

Overall & Flange Connection Dimensions Overall Dimensions (inches) Model ***NOTE - Replace “a” with “C” (for CHD Series) or “S” (for SHD Series) Email: sales@maxairtech.com Back to Table of

HD Series Technical Brochure Max-Air Technology Inc. | Rotary Actuators & Valve Automation Solutions Flange Connection Dimensions (inches) Model ***NOTE - Replace “a” with “C” (for CHD Series) or “S” (for SHD Series) Email: sales@maxairtech.com Back to Table of C

MAX-AIR TECHNOLOGY Jinan, China Milan, Italy - World HQ Wentzville, Missouri Your nearest Max-Air dealer can be found at: Max-Air Technology, Inc. • 114 Resource Drive • Wentzville, MO 63385 • United States of America Tel +1.636.272.4934 • Toll Free 888.842.9998 • Fax 636.272.4937 • www.maxairtech.com • info@maxairtech.com 16 | Email: sales@maxairtech.com © Max-Air Technology, Inc. 2020 maxairtech.com