The Double Acting Hydraulic Series by Valveworks USA features reliable, hydraulically powered actuator systems designed for remote or automated operation of gate valves. These actuators are engineered for high-pressure oilfield applications and offer compatibility with various valve sizes and pressure ratings. This product line supports optimized performance, lifecycle management, and streamlined fleet maintenance.

Double Acting Hydraulic Actuator Series

Double Acting Hydraulic Series

The Valveworks USA Double Acting Hydraulic Series consists of a lineup of actuators with reliable, proven designs. The Hydraulic Actuation allows for hydraulically powered operation to open and close the gate valve. This series of actuators offers the user several options depending on the specific gate valve size and pressure.

Double Acting Hydraulic Actuators are similar to each other in design with only slight variations across the lineup, offering a high percentage of parts interchangeability. This provides an efficiency-driven advantage in the management and maintenance of your actuator fleet, and supports optimal life cycle management integrity.

This brochure provides an in-depth look at the details of this series of actuators and explains the features, benefits, characteristics, dimensional & technical data, and other valuable information needed to determine which actuator provides an optimal solution for your specific application.

PDF Brochure

The interactive tabbed diagram below provides a detailed cutaway of the Valveworks USA Double Acting Hydraulic Actuator. It illustrates internal components including the top shaft, rod wiper, piston seal, wear bearing, O-ring, and other sealing elements, offering visual insight into the construction and functionality of this hydraulic actuator series. This actuator is used to open and close gate valves with hydraulic power and is built for durability in demanding oilfield applications.

Double Acting Hydraulic Actuator

Double Acting Hydraulic Actuator Cutaway Diagram

PRODUCT FEATURES

This table provides a detailed comparison of Valveworks USA Double Acting Hydraulic Actuators, including the 550, 650, and 850 Series models. It outlines key specifications such as compatible valve bore sizes, pressure ratings, material classes, repacking ability, temperature range, and performance characteristics across each series.

Comparison of Valveworks USA Double Acting Hydraulic Actuator Series Models
Key Features 550 Series 650 Series 850 Series
Available Valve Bore Sizes & Rated Working Pressures (PSI) 1 13/16” 10/15K
2 1/16” 5/10/15K
2 9/16” 10K
3 1/8” 5/10K
4 1/16” 5K
2 9/16” 15K
3 1/8” 15K
4 1/16” 15K
5 1/8” 3/5/10K
5 1/8” 15K
7 1/16” 3/5/10/15K
Maximum Operating Pressure (PSI) 2500 2500 2500
Available PR(a) 2 2 2
Material Classes AA AA AA
Stem Type Rising Rising Rising
Stem Packing Type Opti-seal Opti-seal Opti-seal
Repacking YES(b) YES(b) YES(b)
Balance Stem Yes Yes Yes
Temperature Range -20°F (-29°C) to 250°F (121°C) -20°F (-29°C) to 250°F (121°C) -20°F (-29°C) to 250°F (121°C)

a) Performance Requirement.
b) Repacking is achieved via stem backseat method.

TEMPERATURE RATING

The following table provides the temperature classification codes and their corresponding operating ranges for Valveworks USA equipment. These classifications help determine the optimal temperature range for safe and effective use in oilfield and industrial applications.

Valveworks USA Temperature Classifications and Operating Ranges
Temperature Classification Operating Range
P -20°F (-29°C) to 180°F (82°C)
S 0°F (-18°C) to 140°F (60°C)
T 0°F (-18°C) to 180°F (82°C)
U 0°F (-18°C) to 250°F (121°C)

This section details Valveworks USA Double Acting Hydraulic Actuators, including their material requirements and technical data. Table 3 outlines minimum material requirements based on material class, while Table 4 provides actuator dimensions for the 550, 650, and 850 series. The right-side diagram illustrates labeled dimensions for better visualization.

Material Requirements

Minimum Material Requirements
Material Class Body, Bonnet End & Outlet Connections Pressure-Controlling Parts & Stems
AA General service Carbon or Low-alloy steel Carbon or Low-alloy steel

Technical Data

Series Height (A) Diameter (D)
550 21 1/2 7 1/4
650 22 3/4 8 1/2
850 27 1/4 10 1/2

The dimensions B, C, and E vary for different series of Double Acting Hydraulic Actuators and different valve sizes chosen to accompany them.

Double Acting Hydraulic Actuator Dimensions Diagram
Valveworks USA Copyright © 2025