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MOGAS C Series Installation, Operation And Maintenance Manual Download Page 4

ESI-6121 Rev D   © Copyright 03/2022 MOGAS Industries, Inc.   

www.mogas.com

ESI-6121 Rev D   © Copyright 03/2022 MOGAS Industries, Inc.  

 www.mogas.com

6

7

Valve Part Reference Number

Item 

Description

01A

Ball

01B

Seat Ring

01C

Spring Disc

02

Body

03

End Connection

04

Gasket

05

Stem

06

Key

07

Gland Flange

08

Stem Seal Bearing

09A

Packing Ring

09B

Anti-Extrusion Ring

10

Body Stud

11

Body Nut

12

Gland Stud

13

Stem Adaptor

(optional)

14

Mounting Flange

15

Gland Nut

16

Flange Bushing

18

Hex Head Screw

19

Key

(optional)

21

Gasket

(as required)

22

Stud

(as required)

23

Nut

(as required)

24

Nut

(optional)

25

Hex Head Screw

27

Access Plate

(as required)

35

Socket Head Screw

51

Mounting Flange Adaptor

(optional)

52

Pin

61

Seat Locking Ring

62

Seat Locking Screws

(as required)

25

15

07

14

16

06

51

13

19

08

05

21

22

27

23

03

11

04

01B

61

62

01A

01B

01C 10

35

52

02

24

18

Access Plate (as required)

Actuator Adaption

09A

12

09B

Valve Item Reference Number

Actuator Adaption

Valve Item Reference Number

Actuator Adaption

Summary of Contents for C Series

Page 1: ...peration and Maintenance Manual PREPARE THE VALVE FOR INSTALLATION ACTUATE THE VALVE INSTALL THE VALVE PROPERLY MAINTAIN THE VALVE FOR OPTIMAL OPERATION AND PERFORMANCE for the MOGAS C Series Metal Seated Ball Valve ...

Page 2: ...to support procedure All information within this manual is relevant to the safe and proper care of your MOGAS ball valve Please understand the following examples of instructional information General information or an alternate variation procedure VALVE ITEM REFERENCE NUMBER MANUAL ADAPTION HANDLEVER 4 ACTUATOR ADAPTION 6 TRANSPORT AND STORAGE 8 PRE INSTALLATION 9 INSTALL OPERATOR MANUAL ADAPTION H...

Page 3: ...y Nut 12 Gland Stud 13 Stem Adaptor 14 Mounting Flange 15 Gland Nut 16 Flange Bushing 18 Hex Head Screw 21 Gasket as required 22 Stud as required 23 Nut as required 25 Hex Head Screw 27 Access Plate as required 35 Screw 51 Mounting Flange Adaptor 52 Pin 53 Handlever 61 Seat Locking Ring 62 Seat Locking Screws as required 18 15 07 14 16 06 51 13 53 25 09A 08 05 21 22 27 23 03 11 04 01B 61 62 01A 01...

Page 4: ... 13 Stem Adaptor optional 14 Mounting Flange 15 Gland Nut 16 Flange Bushing 18 Hex Head Screw 19 Key optional 21 Gasket as required 22 Stud as required 23 Nut as required 24 Nut optional 25 Hex Head Screw 27 Access Plate as required 35 Socket Head Screw 51 Mounting Flange Adaptor optional 52 Pin 61 Seat Locking Ring 62 Seat Locking Screws as required 25 15 07 14 16 06 51 13 19 08 05 21 22 27 23 03...

Page 5: ...of the valve immediately after the valve is dry Flange protectors need to be secured to each end of the valve to prevent any foreign debris from entering the valve It is recommended to place desiccant dryer bags inside the valve before storage The valve should be stored in the vertical position out of the weather inside until repairs can be made REMOVE VALVE Remove the valve and actuator if suppli...

Page 6: ...ATION INSTALL FLANGE BUSHING Insert flange bushing 16 If necessary tap into place using a hammer and a brass or aluminum rod or wooden block INSERT KEYS Insert keys 06 into stem keyways CAUTION Ensure key length provides and maintains full engagement THIS WILL AFFECT THE VALVE WARRANTY INSTALL STEM ADAPTOR Align stem adaptor 13 so the keyways on stem adaptor correspond with the keys 06 on stem 05 ...

Page 7: ...e to open clockwise to close Using the handlever 53 the valve should be stroked to ensure that the ball 01A is rotating properly and the ball position matches the open closed position of the handlever 53 To adjust stop positions loosen hex head screws 18 and carefully reposition the mounting flange adaptor 51 as required The fully open position is the most important position to set It is preferred...

Page 8: ...er s manual for specific operator actuator removal procedures Note Valve item numbers shown in bold correspond with items shown in the Valve Item Reference Number Actuator Adaption section pages 6 and 7 of this document CAUTION It is extremely important to follow these steps to ensure maximum valve performance THIS WILL AFFECT THE VALVE WARRANTY Verify that the valve and actuator are in the same o...

Page 9: ...counter clockwise to open clockwise to close The actuator should be stroked to ensure that the ball 01A is rotating properly and the ball position matches the open closed indicators on the actuator If the ball requires alignment the actuator stops should be reset at this time per the manufacturer s specifications The fully open position is the most important position to set It is preferred that th...

Page 10: ...ly OPEN position Fully CLOSED position POSITION VALVE IN PIPING Verify that the valve and actuator handlever orientation is correct Verify that the valve is in the open position to prevent any damage to the ball surface from debris Position the valve in line with mating flanges Note Support or lift as required using lifting lugs or nylon straps around the valve body Do not lift or support by the a...

Page 11: ...s to ensure maximum valve performance THIS WILL AFFECT THE VALVE WARRANTY VERIFY BOLTING TORQUE After the first exposure to elevated temperature and the valve has completely cooled down verify bolting torque at these locations 1 Packing gland flange 2 Body to end connection 3 Access plate if present 4 Actuator to valve mounting if present Check the bolting at these same locations periodically CAUT...

Page 12: ...eference Number Manual Adaption section pages 4 and 5 of this document REMOVE HANDLEVER Remove hex head screw 25 holding handlever 53 in place Note Some installations may require removal of washer Remove handlever 53 STOP POSITIONS In most cases it is recommended to leave the mounting flange adaptor 51 in place to maintain accurate open closed stop positions REMOVE STEM ADAPTOR Remove stem adaptor...

Page 13: ...actuator to mounting flange or mounting flange adapter 51 if provided LIFT ACTUATOR Lift the actuator straight up and off the mounting flange 14 or mounting flange adaptor 51 CAUTION The actuator must not be re oriented without removal from the valve This prevents 180 rotation of the ball and assures the mate lapped ball and seat surfaces match See page 53 step 16 for matching clarification Seat l...

Page 14: ...mate lapped ball and seat surfaces match See page 53 step 16 for matching clarification Seat leakage may occur when the ball and seat surfaces are not matched per the engineered design THIS WILL AFFECT THE VALVE WARRANTY ROTATE ACTUATOR After the actuator is removed rotate the actuator to the desired position Note As a standard practice MOGAS adaption is designed to be rotated in 90 increments REM...

Page 15: ...e end connection 03 or bolting side of the valve STEM ORIENTATION CAUTION Ensure key 19 length provides and maintains full engagement Supplier of adaption package should provide key 19 specifications THIS WILL AFFECT THE VALVE WARRANTY INSTALL KEY Insert key 19 into stem adaptor 13 keyway Note Some installations may require inserting the key through an access port in the actuator after actuator is...

Page 16: ...chieve a fully open and or fully closed position Fully OPEN position Set stop positions VERIFY OPERATION Note The MOGAS valve operates counter clockwise to open clockwise to close The actuator should be stroked to ensure that the ball 01A is rotating properly and the ball position matches the open closed indicators on the actuator If the ball requires alignment the actuator stops should be reset a...

Page 17: ...ring set will contain four to five rings total two rope like anti extrusion rings 09B and two to three die form stem packing rings 09A Note Refer to Bill of Materials supplied with each individual valve serial number for specific quantity INSTALL PACKING RINGS Note Applying a spray lubricant to packing ring surfaces may ease the installation process Install the rings one at a time one anti extrusi...

Page 18: ... sure gland studs 12 are in place If necessary install gland studs 12 using anti seize compound Install gland flange 07 over stem 05 and gland studs 12 Apply anti seize compound onto gland studs 12 and gland nuts 15 Install gland nuts 15 and torque all nuts evenly per the specifications included with the test certificate for each individual valve serial number CAUTION The gland flange must be pull...

Page 19: ... If mounting flange adaptor 51 is present it must be removed Note Mark any matching components with a marker tape etc prior to disassembly for ease of reassembly Remove nuts 24 and hexhead screws 25 holding the mounting flange adaptor 51 to the valve mounting flange Lift the mounting flange adaptor straight up and off the valve mounting flange REMOVE END CONNECTION Remove end connection 03 Disasse...

Page 20: ...fting the end opposite stem 05 and rolling it out until ball 01A is clear of body 02 CAUTION For larger valves use nylon straps to prevent damage to ball coating Disassembly 11 10 8 9 12 REMOVE SEAT LOCKING RING Remove seat locking ring 61 from end connection 03 7 REMOVE SEAT LOCKING SCREWS Remove seat locking screws 62 if provided Note Seat locking screws have been tack welded at factory Remove t...

Page 21: ...e the packing gland nuts 15 REMOVE GLAND FLANGE Lift upward to remove the packing gland flange 07 REMOVE STEM ADAPTOR If stem adaptor 13 is present it must be removed Remove stem adaptor 13 by lifting straight up and off the stem 05 taking care to remove keys 06 as well 15 16 17 18 Note If CA 2AS valve there will be two seat discs to remove STEM ACCESS PORT Determine if the valve has a stem access...

Page 22: ...sure the packing box is clean If needed use an air hose to clean debris from packing box before installing new packing rings Note Always wear a face shield or mono goggles to protect eyes from flying debris 23 Disassembly Rework Components Lapping compound lapping heads and gaskets may be purchased from MOGAS SEAT LANDING SURFACES Clean body and end connection seat landing surfaces with 400 grit w...

Page 23: ...T LAPPING Ball reworking and ball seat lapping should only be performed by MOGAS or a MOGAS authorized repair facility CAUTION Only MOGAS approved components should be used in re assembled valves BALL AND SEATS If the valve model is a DRI DRIS or 1US this step is not required Notes IMPORTANT The seats are uniquely identified to fit only a body or end connection Seats identified with an odd number ...

Page 24: ... bolting side of the valve STEM ORIENTATION 6 T to the top Re Assembly Re Assembly 8 PACKING RING SET The new packing ring set will contain four to five rings total two rope like anti extrusion rings 09B two to three die form stem packing rings 09A Note Refer to Bill of Materials supplied with each individual valve serial number for specific quantity STABILIZE STEM Use a jacking bolt or similar to...

Page 25: ... gland nuts 15 tightening all nuts evenly until there is enough depth for the second anti extrusion ring to fit flush into the pocket Once this is accomplished remove the gland nuts 15 and the gland flange 07 Install the second anti extrusion ring 09B 07 15 09B 10 INSTALL PACKING RINGS Note Applying a spray lubricant to packing ring surfaces may ease the installation process Install the rings one ...

Page 26: ... studs 12 using anti seize compound Install gland flange 07 over stem 05 and gland studs 12 Apply anti seize compound onto gland studs 12 and gland nuts 15 Install gland nuts 15 Torque all nuts evenly per the specifications included with the test certificate for each individual valve serial number CAUTION The gland flange must be pulled down evenly to prevent cocking or side loading as this could ...

Page 27: ...de the stem slot of the ball to ensure correct assembly INSTALL BALL CAUTION For larger valves use nylon straps to prevent damage to ball coating 16 Lightly coat ball with a silicone grease INSTALL SEAT RING Install seat ring 01B in pocket just above spring disc 01C in body cavity Note The seat rings are uniquely identified to fit only a body or end connection Seats identified with an odd number f...

Page 28: ...ction is installed INSTALL SEAT LOCKING RING Place seat locking ring 61 in position above seat ring 01B INSTALL SEAT LOCKING SCREWS Install seat locking screws 62 if provided to secure the seat ring 61 in place Tighten the seat locking screws 62 by hand to prevent distorting the seat locking ring 61 Once seat locking screws 62 are tight tack weld in position to prevent movement during operation 21...

Page 29: ...8 25 26 27 28 Re Assembly Re Assembly INSTALL AND SECURE END CONNECTION Carefully invert end connection 03 Install end connection 03 assembly onto body 02 by positioning it seat facing down over body bore Align bolt holes with studs and align bolt pattern of end flanges as well as match marks made during disassembly Note MOGAS valve flanges are supplied in the customary straddle centerline hole or...

Page 30: ...that are returned require a Return Merchandise Authorization RMA Please have the following information available prior to submitting an RMA request Serial number Valve owner Application specifics where the valve is used Media what goes through the valve Total estimated cycles from last installation Operating temperature max F Operating pressure max PSI Actuator specifics Contact the MOGAS Service ...

Page 31: ...ucts Lethal media Heavy solids build up Viscous sludge Critical plant safety applications MOGAS INDUSTRIES INC Headquarters 14330 East Hardy Street Houston TX USA 77039 1405 Phone 1 281 449 0291 Fax 1 281 590 3412 E mail mogas mogas com AUSTRALIA Phone 61 0 8 9456 3533 CANADA Phone 1 780 436 4485 CHINA Phone 86 0 10 8454 9478 EUROPE Phone 44 0 1162 793367 To locate a sales and service center in yo...

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