1. Manuals
  2. Brands
  3. COPES-VULCAN Manuals
  4. Controller
  5. 700
  6. Instruction manual

COPES-VULCAN 700 Instruction Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

COPES-VULCAN INSTRUCTION MANUAL
MODEL 700 DIRECT-ACTING ACTUATOR
DIRECT-ACTING 700 ACTUATOR
20
Rev.5 (08/10)
Page 1 of
Form 01:P224:37

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 700 and is the answer not in the manual?

Questions and answers

Summary of Contents for COPES-VULCAN 700

  • Page 1 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR DIRECT-ACTING 700 ACTUATOR Rev.5 (08/10) Page 1 of Form 01:P224:37...

  • Page 2: Table Of Contents

    Adjustable Up/Down Travel Stops Fixed Travel Stops Side-Mounted Handwheel Assembly FIGURES Exploded View of Direct-Acting Series 700 Actuator Assembly Exploded View of Top-Mounted Handwheel Assembly Exploded View of Side-Mounted Handwheel Assembly Exploded View of Adjustable Up/Down Travel Stop Assembly Rev.5 (08/10)
  • Page 3 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR TABLE OF CONTENTS (Cont’d) ATTACHMENTS Drawing D-360837 Mounting Arrangements REFERENCE DRAWINGS Drawing D-357643 Material List Drawing C-357187 Actuator Option List Drawing C-357183 Direct-Acting Actuator Assembly Drawing C-357184 Direct-Acting Actuator with Top-Mounted Handwheel Drawing C-358357 Direct-Acting Actuator with Adjustable Travel Stops...

  • Page 4: Introduction

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR INTRODUCTION SCOPE OF MANUAL This instruction manual provides instructions for all sizes of the direct-acting Model 700 actuator and includes instructions for top-mounted handwheels, side-mounted handwheels, adjustable travel stops and fixed travel stops. DESCRIPTION The Model 700 direct-acting pneumatic actuator is a spring-opposed diaphragm actuator that is used for the operation of control valves.

  • Page 5: Specifications

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR SPECIFICATIONS GENERAL SPECIFICATIONS - 700 DIRECT-ACTING ACTUATOR Size 160-5 Effective Area, in Effective Area, cm 1032 1032 Nominal Travel, in. Nominal Travel, mm Pressure Connection 1/4" NPT 3/8" NPT 1/2" NPT 1/2" NPT...

  • Page 6: Installation

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR INSTALLATION ON RECEIPT When the actuator and valve are shipped together, the actuator normally is mounted on the valve. Follow the valve instructions in the instruction manual when installing the valve in the pipeline. The actuator may be installed vertically or horizontally either above or below the valve, but, whenever possible, the valve assembly should be installed with the actuator located above the valve.

  • Page 7: Stem Connector And Travel Adjustment

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR STEM CONNECTOR AND TRAVEL ADJUSTMENT 2.3.1 Direct-Seated Valve Without Backseat A direct-seated valve is closed by applying downward force on the valve stem. For the case of a direct-seated valve where a valve backseat is not present, the actuator will be set up so that upward, or opening, motion of the valve stem is limited by the internal stop in the actuator and downward, or closing, motion of the stem will be limited by the valve mainseat.
  • Page 8 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR STEM CONNECTOR AND TRAVEL ADJUSTMENT (CONT’D.) 2.3.3 Reverse-Seated Valve A reverse-seated valve is closed by applying upward force on the valve stem. For the case of a reverse-seated valve where a valve backseat is not present, the actuator will be set up so that downward, or opening, motion of the valve stem is limited by the internal stop in the actuator and upward, or closing, motion of the stem will be limited by the valve mainseat.
  • Page 9 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR STEM CONNECTOR AND TRAVEL ADJUSTMENT (CONT’D.) 2.3.4 Tandem Trim Valves Assembly of the stem connector for a tandem trim valve is similar to that for a normal direct-seated valve except that, due to the presence of an internal valve spring, which tends to prevent the valve from seating, a trial-and-error procedure in which the stem clamp is successively moved up on the valve stem will be necessary.

  • Page 10: Spring Adjustment

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR SPRING ADJUSTMENT The spring was properly adjusted at the factory and, unless the actuator has been disassembled, only minor adjustments should be necessary. The initial spring preload (or bench-set) pressure is defined as the pressure at which stem motion is initiated and is set by rotating the spring adjuster (Item 21).

  • Page 11: Maintenance

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR MAINTENANCE GENERAL Actuator parts are subject to normal wear and must be inspected and replaced when necessary. The frequency of inspection and part replacement depends on the severity of the service conditions. Normally, only the diaphragm will require replacement.
  • Page 12 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR DIRECT-ACTING ACTUATOR (Refer to Figure 1 and the Actuator Assembly Drawing) 3.3.1 Disassembly (Cont’d.) If the diaphragm is not being replaced, remove the stem and diaphragm plate assembly (Items 11, 12, 13, 14, and 16). If the diaphragm is being replaced, unscrew the flat head screw (Item 11), then remove the diaphragm stop (Item 12), the diaphragm (Item 14), and the diaphragm plate (Item 13).

  • Page 13: Top-Mounted Handwheel Assembly

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR DIRECT-ACTING ACTUATOR (Refer to Figure 1 and the Actuator Assembly Drawing) 3.3.2 Assembly (Cont’d.) Drill holes in the yoke as directed by the assembly drawing, then install the indicator plate (Item 8) and ID plate (Item 19) using drive screws (Item 20).

  • Page 14: Adjustable Up/Down Travel Stops

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR TOP-MOUNTED HANDWHEEL ASSEMBLY (Refer to Figure 2) 3.4.2 Assembly (Cont’d.) Carefully push the actuator stem assembly through the U-cup seal and thread the stem fully into the housing. Place the housing assembly onto the cover assembly and install the lockwashers (Item A4) and hex nuts (Item A5).

  • Page 15: Fixed Travel Stops

    COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR ADJUSTABLE UP/DOWN TRAVEL STOP (Refer to Figure 4) 3.5.2 Assembly (Cont’d.) Apply o-ring grease to the U-cup seal (Item E12), then install the U-cup seal in the base plate (Item E3) with the ‘U’ facing down.
  • Page 16 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR SIDE-MOUNTED HANDWHEEL (Refer to Figure 3) 3.7.1 Disassembly (Cont’d.) Remove the two remaining retaining rings (Item C19), remove the two worm shaft bearings (Item C17), then rotate and remove the worm shaft (Item C16).
  • Page 17 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR Figure 1 Rev.5 (08/10) Page 17 of Form 01:P224:37...
  • Page 18 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR Figure 2 Rev.5 (08/10) Page 18 of Form 01:P224:37...
  • Page 19 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR Figure 3 Rev.5 (08/10) Page 19 of Form 01:P224:37...
  • Page 20 COPES-VULCAN INSTRUCTION MANUAL MODEL 700 DIRECT-ACTING ACTUATOR Figure 4 Rev.5 (08/10) Page 20 of Form 01:P224:37...
  • Page 29 SUPPLEMENTARY INSTRUCTIONS FOR A SIDE MOUNTED HANDWHEEL ON A DIRECT ACTING ACTUATOR SCOPE This supplementary manual is for a side mounted handwheel fitted to a Copes-Vulcan 700 series direct acting diaphragm actuator. OPERATION WARNING: KEEP HANDS AWAY FROM EQUIPMENT DURING OPERATION TO AVOID INJURY.
  • Page 30 DRAWINGS AND PARTS LIST Figure 1 shows a sectional view of the handwheel fitted to a direct acting diaphragm actuator. Figure 2 shows the side handwheel assembly part description and identification. MAINTENANCE Preparation CAUTION: DO NOT DISASSEMBLE THE EQUIPMENT BEFORE RELEASING THE AIR PRESSURE. Before dismantling the actuator for maintenance set the handwheel to the neutral position.
  • Page 31 Withdraw worm wheel (635) together with needle roller bearings (535) and thrust washers from the housing. Examine and replace worn out parts. Re-assembly Fill gearbox with Castrol AP-3 grease or lithium based equivalent. Re-assemble the unit in the reverse manner maintaining the settings marked ‘X’.

Table of Contents

Save PDF