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6

DN 900 - 1000

DN 1050 - 1600 (PN 10)

DN 1600 (PN 16) - 2400

Parts list

Part

name

1

Body

2

Disc

3

Driving (top) shaft

4

Bottom shaft

5

seat

6

Bearing

7

Nut + spring washer

8

Cover

9

O-ring seal

10

thru bolt

11

snap ring

12

screw + washer

13

Key

14

Bushing

Parts list

Part

name

1

Body

2

Disc

3

Driving (top) shaft

4

Bottom shaft

5

seat

6

Bearing

7

Nut + spring washer

8

Cover

9

O-ring seal

10

thru bolt

11

snap ring

12

screw + washer

13

Key

14

Bushing

Keystone

 Butterfly valves Paraseal

InstallatIon and maIntenance InstructIons

Parts list

Part

name

1

Body

2

Disc

3

Driving (top) shaft

4

Bottom shaft

5

seat

6

Bearing

7

Nut + spring washer

8

Cover

9

O-ring seal

10

thru bolt

11

snap ring

12

screw + washer

13

Key

14

Bushing

Neither emerson, emerson automation solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product. 
responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Keystone is a mark owned by one of the companies in the emerson automation solutions business unit of emerson electric Co. emerson automation solutions, 

emerson and the emerson logo are trademarks and service marks of emerson electric Co. all other marks are the property of their respective owners.

the contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be 

construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. all sales are governed by 

our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without 

notice.

emerson.com/finalControl

Summary of Contents for Keystone

Page 1: ...o be greased with silicone grease if not present anymore 3 All surfaces in contact with seats have to be thoroughly cleaned and greased with silicone grease if stored for more than 5 months Recommendations 1 Temperature storage temperature below 25 C above 0 C preferable below 15 C 2 Humidity storage conditions should be such that condensation does not occur store in a dry environment Maximal 50 r...

Page 2: ...ersonnel making any adjustments to the valves should utilize suitable equipment All required personal protection means should be worn 2 The line must be depressurized before installing the valve 3 Personnel trained in all aspects of manual and mechanical handling techniques only must carry out handling of the valves 4 Misuse of the valve is not allowed For example the valve handles actuators or ot...

Page 3: ...c travels clockwise to close Keystone Butterfly valves ParaSeal Installation and maintenance instructions Important Mating flange faces should be in good condition and free of dirt and or inclusions Both pipe insides to be well cleaned 2 5 3 Thermal A If the valve is used in applications with a fluid temperature above 40 C the outside of the body might be hot Sufficient measurements should be take...

Page 4: ... the actuation 4 Secure the disc with proper lifting equipment 5 Remove the bottom plug or cover 6 Remove the nut of the thru bolt at bottom hub 7 Mark the position of the bottom shaft and of the driving shaft versus the disc 8 Pull the driving shaft and belonging thru bolt out off body and disc If required use threaded hole in stemhead Support shaft and disc during removal It is possible that als...

Page 5: ...bolt 11 Snap ring 12 Key Parts list Part Name 1 Body 2 Disc 3 Driving top shaft 4 Bottom shaft 5 Seat 6 Bearing 7 Nut spring washer 8 Plug 9 Seal 10 Thru bolt 11 Bushing Parts list Part Name 1 Body 2 Disc 3 Driving top shaft 4 Bottom shaft 5 Seat 6 Bearing 7 Nut spring washer 8 Plug 9 Seal 10 Thru bolt 11 Key Keystone Butterfly valves ParaSeal Installation and maintenance instructions ...

Page 6: ...bility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user Keystone is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co Emerson Automation Solutions Emerson and the Emerson logo are trademarks and service marks of Emerson...

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