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Alfa Laval LKB UltraPure Butterfly Valve.

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The safe choice for High Purity applications

Tri-Clover LKB UltraPure automatic or manual butterfly valve

Application
LKBUP1Tri-Clover LKB UltraPure is an automatic or manual operated butterfly valve for on/off duties. The UltraPure execution is designed and documented to meet the demand in industries like BioPharm and Personal Care.

Working principles
Tri-Clover LKB UltraPure is either remote controlled by means of an air-actuator or manually by means of a handle.

The actuator is designed so that an axial movement of a piston is transformed into a 90° rotation of a shaft. The torque of the actuator is increased when the valve disc contacts the seal of the valve.

The handle for manual operation mechanically lock the valve in its open or closed position.

Standard design
Tri-Clover LKB UltraPure consists of two body halves, valve disc, bushings for the disc stem and a seal ring. The valve is assembled by means of screws and nuts.

The air-actuator is made in three standard versions, normally closed (NC), normally open (NO) and air/air activated (A/A).
Two actuator sizes, ¸85 mm and ¸133 mm, cover all valve sizes and is available in two versions, LKLA and LKLA-T (T for mounting of indication unit on actuator).

The actuator is fitted on to the valve by means of a bracket and screws.
The handle for manual operation is fitted on to the valve by means of a cap/block system and a screw.

The handles for the are available in 2 positions, 4 positions, regulating 90° and lockable multi-position.
The valve can be supplied with either welding or clamp connections.

Control Equipment
Control and indication is possible in connection with the remote controlled valve. See Options.
LKLA-T can be fitted with Topunits

Documentation
All valves are delivered with Alfa Laval Q-doc including:
LKBUP2- 3.1 certificate in accordance to EN 10204
- FDA compliance and USP Class VI declaration
- TSE statement
- Surface finish declaration (Ra)
- Manufacturing and quality procedures

 Delivery conditions
- Individually marked with manufactures logo, ID number, pressure rating, material, standard, dimension and surface finish
- Supplied with plastic end caps and individually packed together with the documentation
 
Torque diagrams - Actuator
LKBUP3
Capacity/Pressure drop diagrams
LKBUP4
NOTE!
For the diagrams the following applies:
Medium: Water (20°C).
Measurement: In accordance with VDI 2173.
 
Dimensions
Fig. 1. Dimensions - valve.
LKBUP6
Dimensions (mm)
Tri-Clover LKB UltraPure
LKBUP6
Connections
Compressed air
R⅛" (BSP), internal thread.

Technical Data
Valve:
Max. product pressure: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1000 kPa (10 bar).
Min. product pressure: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Full vacuum.
Temperature range: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +95°C*

*) SIP (steam in place) up to 140°C is possible with the following actions:
1.
- Open valve
- SIP
- Cool down the valve before operating

2.
- Close valve
- SIP
- Cool down the valve before operating

Actuator:
Max. air pressure: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .700 kPa (7 bar).
Min. air pressure, NC and NO: . . . . . . . . . . . . . . . . . . . . . . . . . . . . .400 kPa (4 bar).
Temperature range: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-25°C to +90°C.
Air consumption (litres free air) - ¸85mm: . . . . . . . . . . . . . . . . . . . . . .0.24 x p (bar).
Air consumption (litres free air) - ¸133 mm: . . . . . . . . . . . . . . . . . . . . .0.95 x p (bar).
Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .- ¸85 mm: 3 kg. - ¸133 mm: 12 kg.

Materials
LKBUP7
Actuator:
Actuator body: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Stainless steel 1.4307 (304L).
Piston: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Light alloy - Air/air version (for ¸85 mm: Bronze).
Seals: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Nitrile (NBR).
Housing for switches: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Noryl (PPO).

Seal qualities

EPDM:
The EPDM seal is mechanically strong and normally resistant to ozone and other strong oxidizers, animal and vegetable fats, polar solvents, acids and bases, water and aqueous solutions.
The seal is available in all sizes.

FPM:
Normally resistant to ozone and other oxidizers, hydrocarbons in general, oils, lubricants and greases.
The seal is available in all sizes.

Options
A. ThinkTop® for control and indication.*
B. Indication unit with micro switches.*
C. Indication unit with inductive proximity switches.*
D. Indication unit with Hall proximity switches.*
E. Explosion proof indication unit with inductive proximity switches.*
F. Bracket for actuator.
G. Handle with two or four positions.
H. Handle for electrical position indication.
I. Handle with infinite intermediate positions.
J. Multipositioning handle**.
K. Lockable Multiposition Handle. Padlock can be mounted as shown in fig. 5.
Note! Padlock is not delivered.
L. Special cap for 90° turned handle position.
M. Service tool for actuator.
N. Service tool for fitting 25-38 mm (DN25 - DN40) valve discs.

* For further information see Product Catalogue chapter "Control & Indication".
** A padlock can be mounted on the Lockable Multiposition
Handle as shown in the opposite figure.
Note! Padlock is not delivered.
LKBUP8
Ordering
Please state the following when ordering:

- Valve type: Tri-Clover LKB UltraPure
- Valve size
- Connections
- Surface finish
- Rubber grade: EPDM or FPM
- Type of handle, if required

If ordering with actuator:
- Type: LKLA or LKLA-T
- Size: ¸85mm or ¸133 mm.
- Function: NC, NO or Air/Air
- Other options

Note!
For further details, see also ESE01699.

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