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Model-1 Operations Manual - Kerotest

TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 1 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest . Kerotest MANUFACTURING CORP. 5500 SECOND AVENUE PITTSBURGH, PA 15207 TELEPHONE: 412-521-7766 FAX: 412-521-7853 Kerotest Model-1 GATE VALVE Operations Manual DATE OF ORIGINAL ISSUE: DECEMBER 15, 1988 WRITTEN BY: RICHARD ADAMS APPROVED BY: DENNIS J.

TITLE: NO.: KEROTEST MODEL-1 REV.: 10 GATE VALVE DATE: 7/12/07 OPERATIONS MANUAL PAGE: 1 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be

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Transcription of Model-1 Operations Manual - Kerotest

1 TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 1 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest . Kerotest MANUFACTURING CORP. 5500 SECOND AVENUE PITTSBURGH, PA 15207 TELEPHONE: 412-521-7766 FAX: 412-521-7853 Kerotest Model-1 GATE VALVE Operations Manual DATE OF ORIGINAL ISSUE: DECEMBER 15, 1988 WRITTEN BY: RICHARD ADAMS APPROVED BY: DENNIS J.

2 ZOLKOS APPROVED: JULIAN BERARDUCCI TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 2 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest . REVISION SHEET REVISION DATE DESCRIPTION OF REVISION 1 11/28/90 2 09/04/91 3 07/16/93 4 03/28/96 5 05/30/97 Added Bonnet Leak Repair, Attachment 2 6 11/21/97 Added Table 1 and reference to it and revised Attachment 2 7 03/15/99 Retyped.

3 Made various editorial changes such as deleting page number references. Revised packing temperature limitations under body/wedge seating. Revised 1" and 1-1/4" sizes overtorque to failure. 8 11/17/99 Revised Bonnet Leak Repair Procedure, Attachment 2 9 05/22/01 Revised Bonnet Leak Repair Procedure, Attachment 2 10 07/12/07 Retyped in its entirety TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 3 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest .

4 INTRODUCTION The Kerotest Model-1 design employs the following features. These include: Maintenance Free No Gland Tightening No Lubrication (during cycling) Low Operating Torque Directional Solidification Weld Ends Patented Packing No Environmental Leakage Field Repairable The intent of this Manual is to acquaint our customers with installation procedures and repair techniques for Model-1 Gate valves. Kerotest stands ready to service our valves no matter where the location. Technical personnel or our field representatives are ready to service you on very short notice. TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 4 OF 35 This report is the property of Kerotest Manufacturing Corp.

5 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest . VALVE COMPONENTS TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 5 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest .

6 TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 6 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest . TESTING TO BE CERTAIN THAT ALL VALVES SHIPPED FROM THE FACTORY ARE BUBBLE TIGHT, THEY ARE SUBJECTED TO THE FOLLOWING TESTS. HYDROSTATIC SHELL TEST 285 MOP 500 WOG 740 MOP SIZE TIME MINUTES PRESSURE (PSIG) TIME MINUTES PRESSURE (PSIG) TIME MINUTES PRESSURE (PSIG) 1" THRU 4" 2 450 2 875 2 1125 6" THRU 8" 5 450 5 875 5 1125 10" 5 450 NA NA 5 1125 12" AND 16" 15 450 NA NA 15 1125 HYDROSTATIC SEAT TEST 285 MOP 500 WOG 740 MOP SIZE TIME MINUTES PRESSURE (PSIG) TIME MINUTES PRESSURE (PSIG) TIME MINUTES PRESSURE (PSIG)

7 2" THRU 4" 2 315 2 550 2 815 6" THRU 10" 5 315 **5 550 5 815 12" AND 16" 10 315 NA NA 10 815 *TIME LISTED PER EACH SIDE **10" NOT APPLICABLE AIR SHELL TEST 285 MOP 500 WOG 740 MOP SIZE TIME MINUTES PRESSURE (PSIG) TIME MINUTES PRESSURE (PSIG) TIME MINUTES PRESSURE (PSIG) 1" THRU 4" 2 150 2 150 2 150 6" THRU 10" 5 150 5 150 5 150 12" AND 16" 10 150 10 150 10 150 AIR SEAT TEST 285 MOP 500 WOG 740 MOP SIZE TIME SECONDS PRESSURE (PSIG) TIME SECONDS PRESSURE (PSIG) TIME SECONDS PRESSURE (PSIG) 1" TO 8" 30 80 TO 100 30 80 TO 100 30 80 TO 100 10",12",16" 60 80 TO 100 60 80 TO 100 60 80 TO 100 *TIME LISTED PER EACH SIDE THE ABOVE TESTS EQUAL OR EXCEED THOSE VALVE TESTS REQUIRED BY MSS SP-70 AND API 6D NOTE: VALVES BUILT BEFORE CHANGE TO FEDERAL CODE IN JULY 2006 WERE RATED AS FOLLOWS: CLASS 150 275 MOP CLASS 300 720 MOP TITLE: NO.

8 : Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 7 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest . VALVE INSTALLATION General Instructions Valves are of the wedge gate design and can be installed with either end as the inlet side Valves should be installed with the wedge in the closed position Screwed End Valves Valve ends have pipe threads machined per ANSI Apply a suitable threading compound to the threads on the pipe.

9 The threading compound should be applied sparingly. The wrench used for installing these valves should be applied to the end of the valve next to the pipe to which it is being connected Socket Weld End Valves Valve ends are machined per ANSI "Note" in order that the valve seats are not affected during the welding operation, the wedge should be in the closed position Valves should be installed using either the electric arc or oxy-acetylene welding methods by welders and welding procedures qualified under Section IX of the ASME Boiler and Pressure Vessel Code or an equivalent requirement o Valve bodies are carbon steel (ASTM A216 Gr. WCB). Type 7018 Welding Rod is suggested for welding these (WCB) valves in the pipeline.

10 Flanged End Valves End flanged dimensions conform to ANSI Standard end flange facing is 1/16" raised face with phonographic finish Bolting and gasketing practice conforming to ANSI is suggested TITLE: NO.: Kerotest Model-1 REV.: 10 GATE VALVE DATE: 7/12/07 Operations Manual PAGE: 8 OF 35 This report is the property of Kerotest Manufacturing Corp. 5500 Second Avenue, Pittsburgh, PA 15207 and may not be copied by any means without the expressed written consent of Kerotest . It is intended for the sole purpose of helping Kerotest customers evaluate Kerotest products and may not be released to any third party or otherwise used in any manner injurious to the interests of Kerotest .


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