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Summary of Contents for Paladon DGS Series
- Page 1 INSTALLATION, COMMISSIONING & MAINTENANCE MANUAL DGS, DGD & DGC-Series Direct Gas or Nitrogen Bottle Scotch-Yoke Valve Actuators : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 1 of 24 Date Issued : 06/11/19...
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Page 2: Table Of Contents
DGS, DGD & DGC Series Valve Actuators Contents Page Introduction ......................3 Inspection Requirements on Initial Receipt of Actuator ..........3 Storage Requirements ....................3 Short-Term Storage ..................3 Long-Term Storage ................... 3 Actuator Overview ......................4 Standard Components ..................4 4.1.1 Frame .................... -
Page 3: Introduction
LINE OR BY NITROGEN BOTTLES. Introduction This manual is designed to allow a qualified user to install, commission and maintain Paladon Systems Ltd DGS, DGD and DGC Series valve actuators. This manual should be used in conjunction with any additional documentation supplied at the time of shipping. -
Page 4: Actuator Overview
DGS, DGD & DGC Series Valve Actuators Actuator Overview DGS, DGD and DGC Series direct gas valve actuators are suitable for use with quarter-turn valves or mechanisms, and have been designed to provide years of efficient and reliable operation in heavy-duty applications. The main components of DGS, DGD and DGC Series valve actuators are: Standard Components 4.1.1... -
Page 5: Manual Override
Model Number Designations Tool Requirements No special tools are required for the installation, commissioning and maintenance of Paladon Systems Ltd actuators. Valve/Actuator Mounting Valve mounting is achieved through one of the following: ... - Page 6 DGS, DGD & DGC Series Valve Actuators Paladon Systems Ltd actuators can be mounted in any orientation; however, it is common industry practice to align the centreline of the actuator’s direct gas cylinder with that of the valve pipework. NOTE: Certain control components require mounting in a specific orientation with respect to gravity in order to function correctly.
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Page 7: Adjusting Open And Closed Valve Positions
DGS, DGD & DGC Series Valve Actuators Adjusting Open and Closed Valve Positions The precise valve open and closed positions are set using the end stop screws. NOTE: Certain valves incorporate their own end stops. For these types of valves, it is recommended that the valve's end stops be adjusted to their maximum travel so that the valve’s end positions are achieved using the actuator’s end stop screws only. -
Page 8: Manual Override Operation
DGS, DGD & DGC Series Valve Actuators Actuator Stroking Stroke the actuator to check that smooth and continuous operation is achieved. In the event of uneven stroking, or stroking speeds below those detailed on the test certificate; first check to ensure correct gas supply pressure and flow rate. Further fault finding procedures can be found in Section 16. -
Page 9: Maintenance
Reconnect direct gas supply lines. Maintenance 11.1 All Paladon Systems Ltd actuators have been designed to provide long service with minimum maintenance; however, a preventative maintenance program is recommended. Preventative maintenance programs not only help avoid unanticipated and costly down time, but also typically reduce the overall cost of ownership. - Page 10 DGS, DGD & DGC Series Valve Actuators 12.2 Remove the bottom flange (see Section 17.2, Drg. HYX-XXX-CYXXX-00-001- PL, Item 5 – manufactured part). 12.3 Slide off the cylinder liner (see Section 17.2, Drg. HYX-XXX-CYXXX-00-001- PL, Item 1 – manufactured part). 12.4 Remove the frame cover retaining screws (see Section 17.1, Drg.
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Page 11: Lubrication
DGS, DGD & DGC Series Valve Actuators 12.19 Check for proper actuator operation and for any seal leaks. Lubrication Usually it is not necessary to lubricate the actuator as all moving parts are lubricated for life; however, in the unlikely event that additional lubrication is required, the following lubricant should be used: Manufacturer AGIP... -
Page 12: Trouble-Shooting
DGS, DGD & DGC Series Valve Actuators Trouble-Shooting In the unlikely event of incorrect actuator operation, please refer to the below trouble-shooting guide. Fault Cause Corrective Action Erratic or slow operation Supply pressure erratic or Check supply pressure and below minimum specified correct as required. -
Page 13: Drawings
DGS, DGD & DGC Series Valve Actuators Drawings Section Drawing Description 17.1 XXX-XXX-FRXXX-00-002-PL Frame Assembly 17.2 HYX-XXX-CYXXX-00-001-PL Direct Gas Cylinder Assembly 17.3 XXX-XXX-SRXXX-00-001-PL Spring Cylinder Assembly 17.4 HY-DA Double-Acting Actuator Assembly 17.5 HY-DA-HW Double-Acting Actuator Assembly with Handwheel Manual Override 17.6 HYX-XXX-HDXXX-00-001-PL Handwheel Manual Override Assembly for... -
Page 14: Xxx-Xxx-Frxxx-00-002-Pl
DGS, DGD & DGC Series Valve Actuators 17.1 XXX-XXX-FRXXX-00-002-PL : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 14 of 24 Date Issued : 06/11/19... -
Page 15: Hyx-Xxx-Cyxxx-00-001-Pl
DGS, DGD & DGC Series Valve Actuators 17.2 HYX-XXX-CYXXX-00-001-PL : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 15 of 24 Date Issued : 06/11/19... -
Page 16: Xxx-Xxx-Srxxx-00-001-Pl
DGS, DGD & DGC Series Valve Actuators 17.3 XXX-XXX-SRXXX-00-001-PL : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 16 of 24 Date Issued : 06/11/19... -
Page 17: Hy-Da
DGS, DGD & DGC Series Valve Actuators 17.4 HY-DA : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 17 of 24 Date Issued : 06/11/19... -
Page 18: Hy-Da-Hw
DGS, DGD & DGC Series Valve Actuators 17.5 HY-DA-HW : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 18 of 24 Date Issued : 06/11/19... -
Page 19: Hyx-Xxx-Hdxxx-00-001-Pl
DGS, DGD & DGC Series Valve Actuators 17.6 HYX-XXX-HDXXX-00-001-PL : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 19 of 24 Date Issued : 06/11/19... -
Page 20: Hyx-Xxx-Cyxxx-00-002-Pl
DGS, DGD & DGC Series Valve Actuators 17.7 HYX-XXX-CYXXX-00-002-PL : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 20 of 24 Date Issued : 06/11/19... -
Page 21: Hy-Src
DGS, DGD & DGC Series Valve Actuators 17.8 HY-SRC : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 21 of 24 Date Issued : 06/11/19... -
Page 22: Hy-Src-Js
DGS, DGD & DGC Series Valve Actuators 17.9 HY-SRC-JS : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 22 of 24 Date Issued : 06/11/19... -
Page 23: Xxx-Xxx-Shxxx-00-001-Pl
DGS, DGD & DGC Series Valve Actuators 17.10 XXX-XXX-SHXXX-00-001-PL : Q056 Issued By : J Haworth Approved by : M Shepherd Page : 23 of 24 Date Issued : 06/11/19... -
Page 24: Spares Kit Ordering & Additional Service Support
Actuator Serial Number (6 or 7 digit number with a RFPL prefix) Paladon Contract Number (5 digit number with an ACCP, ACE, ACP, ACSP, CCP, CE, CGH, CP, CPC or CSP prefix) General Arrangement or Control Schematic Drawing Number ...
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