Alfa Laval Unique Single Seat Valve Instruction Manual
  1. Manuals
  2. Brands
  3. Alfa Laval Manuals
  4. Control Unit
  5. Unique Single Seat Valve
  6. Instruction manual
Alfa Laval Unique Single Seat Valve Instruction Manual

Alfa Laval Unique Single Seat Valve Instruction Manual

Two step
Hide thumbs Also See for Unique Single Seat Valve:
Table of Contents

Advertisement

Quick Links

Download this manual
Instruction Manual
Unique Single Seat Valve - Two Step
ESE00505-EN8
Original manual
TD 461-703
2017-02
TD 461-702

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Unique Single Seat Valve and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Alfa Laval Unique Single Seat Valve

Summary of Contents for Alfa Laval Unique Single Seat Valve

  • Page 1 Instruction Manual Unique Single Seat Valve - Two Step TD 461-702 TD 461-703 ESE00505-EN8 2017-02 Original manual...

  • Page 3: Table Of Contents

    7. Parts list and service kits ................7.1. Drawing .................... 7.2. Unique Single Seat Valve - Two Step 38-101.6mm - Shut off valve ......7.3. Unique Single Seat Valve - Two Step 38-101,6mm - Change-over valve ....7.4. Mounting Tool - Unique SSV - Two Step Maintainable Actuator ......

  • Page 4: Ec Declaration Of Conformity

    1 EC Declaration of Conformity Revision of Declaration of Conformity 2013-12-03 The Designated Company Alfa Laval Kolding A/S Company Name Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declares that Valve Designation Unique SSV PN10...

  • Page 5: Safety

    2 Safety Unsafe practices and other important information are emphasised in this manual. Warnings are emphasised by means of special signs. 2.1 Important information Always read the manual before using the valve! WARNING Indicates that special procedures must be followed to avoid serious personal injury. CAUTION Indicates that special procedures must be followed to avoid damage to the valve.

  • Page 6: Warning Signs

    2 Safety Unsafe practices and other important information are emphasised in this manual. Warnings are emphasised by means of special signs. 2.2 Warning signs General warning Caustic agents Danger of injury: (an extra yellow label marked on the actuator from June 2016) Do NOT attempt to cut the actuator open due to spring under load.

  • Page 7: Safety Precautions

    - Support air on high pressure actuator versions is NOT allowed To prevent shock in the actuator and to prevent exceeding 10 bar product pressure, Alfa Laval recommends NOT to exceed 3 bar support air on the spring side in all the Unique SSV actuators.
  • Page 8 Never stick your fingers through the valve ports if the actuator is supplied with compressed air Never touch moving parts if the actuator is supplied with compressed air Always use Alfa Laval genuine spare parts Never cut the actuator open, due to spring under load danger - if marked with this warning...

  • Page 9: Installation

    3.1 Unpacking/delivery Step 1 Check the delivery for: CAUTION 1. Complete valve, Shut-off valve or change-over valve. Alfa Laval cannot be held responsible for incorrect unpacking. 2. Delivery note. Step 2 Shut-off valve: 1. Complete actuator. 2. Bonnet (20). 3. Clamp (19).

  • Page 10: General Installation

    Do NOT attempt to disassemble the actuator due to - CAUTION spring under load danger! Alfa Laval cannot be held responsible for incorrect installation. - Always release compressed air after use. - Always read the technical data thoroughly. See section 6 Technical data.
  • Page 11 3 Installation Study the instructions carefully and pay special attention to the warnings! The valve has welding ends as standard but can also be supplied with fittings. Step 4 Avoid stressing the valve. Pay special attention to: Risk of damage! - Vibrations.

  • Page 12: Welding

    3 Installation Study the instructions carefully. The valve is supplied as separate parts to facilitate the welding. The items refer to the parts list and service kits section. Check the valve for smooth operation after welding. 3.3 Welding Step 1 Always install valves with more than one valve body so that the seals between the valve bodies can be replaced.

  • Page 13: Recycling Information

    When in doubt, or in the absence of local regulations, please contact your local Alfa Laval sales company. If the actuator is marked with a danger warning, do not attempt to cut the actuator open.

  • Page 14: Operation

    4 Operation Study the instructions carefully. The item refer to the parts and service kits section. NO = Normally open (pneumatic movement downwards. NC = Normally closed (pneumatic movement upwards. 4.1 Description af valve function The SSV Two step valve has two pistons inside the actuator, which makes it possible to have an intermediate plug position where all body ends are open.
  • Page 15 4 Operation Study the instructions carefully. The item refer to the parts and service kits section. NO = Normally open (pneumatic movement downwards. NC = Normally closed (pneumatic movement upwards. Step 1b Type Change-over valve (NC and NO) Two step valves as change-over (NC and NO) can be used for drainage of two pipes simultaneously or split of flow in three lines. The valve has a fixed intermediate position and spring return to the end positions.
  • Page 16 4 Operation Study the instructions carefully. The item refer to the parts and service kits section. NO = Normally open (pneumatic movement downwards. NC = Normally closed (pneumatic movement upwards. Spring return to upper position = NO TD 461-626_2 TD 461-627_2 TD 461-625_2 Closed Intermediate position...

  • Page 17: Operation

    - Always read the technical data thoroughly. See section 6 Technical data. - Always use Alfa Laval genuine spare parts. The warranty of Alfa Laval products is dependent on use of SPRING UNDER LOAD Do not attempt to cut open Alfa Laval genuine spare parts.
  • Page 18 4 Operation Study the instructions carefully and pay special attention to the warnings! Ensure that the valve operates smoothly. The items refer to the parts list and service kits section. Step 4 Shut-off valve Change-over valve Lubrication of valves: 1. Ensure smooth movement between lip seal (A) and plug stem (B).

  • Page 19: Troubleshooting

    - Product pressure exceeds - Replace with a high pressure actuator actuator specification - Use auxiliary air on the spring side (do not exceed 3 bar). Alfa Laval article number = 9611995903. See section 2.3 Safety precautions and section 3.2 General installation,...

  • Page 20: Recommended Cleaning

    4 Operation The valve is designed for cleaning in place (CIP). Study the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. 4.4 Recommended cleaning Step 1 Caustic danger! Always handle lye and acid with great care. Always use Always use rubber gloves!
  • Page 21 4 Operation The valve is designed for cleaning in place (CIP). Study the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. Step 5 Always rinse! 1. Avoid excessive concentration of the cleaning agent. 2.

  • Page 22: Maintenance

    - Always read the technical data thoroughly. See section 6 Technical data. - Always use Alfa Laval genuine spare parts. The warranty of Alfa Laval products is dependent on use of SPRING UNDER LOAD Do not attempt to cut open Alfa Laval genuine spare parts.
  • Page 23 5 Maintenance Maintain the valve regularly. Study the instructions carefully and pay special attention to the warnings! Always keep spare rubber seals and lip seals in stock. Check the valve for smooth operation after service. Below are some guidelines for maintenance and lubrication intervals. Please note that the guidelines are for normal working conditions in one shift.

  • Page 24: Dismantling The Valve

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. 5.2 Dismantling the valve If the actuator is marked with a danger warning, do NOT attempt to cut the actuator open. SPRING UNDER LOAD DO NOT DISASSEMBLE Do not attempt to cut open...

  • Page 25: Plug Seal Replacement

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. 5.3 Plug seal replacement Step 1 Drawing 1 1. Remove old seal ring using a knife, screwdriver or similar. Be careful not to damage the plug surface.
  • Page 26 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. Step 2 Drawing 3 Mounting plug seal ring by hand 1. Check the seal ring is premounted as described in step 1. To ensure correct mounting, press with your thumb on the seal ring, which must be done approximately 10 times and always with opposite pressure points, from A to B, to C and...
  • Page 27 Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. Step 3 Mounting plug seal ring with Alfa Laval plug seal tool Mounting tool for elastomer DN40 DN50 - DN65...

  • Page 28: Valve Assembly

    Remember to tighten spindle and plug to a torque of 30Nm (to use two 17mm spanners). If there are vibrations in the pipeline Alfa Laval recommend using loctite no. 243. The clamps thread must be lubricated before tightening - max. torque for the clamps is 10-12 Nm...

  • Page 29: Actuator Types

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. 5.5 Actuator types Different actuator types for the SSV valve In June 2016 the below change was implemented and the “removable yoke with bolts” version is thereby phased out and replaced by the “yoke without bolts”...

  • Page 30: Actuator Bushing Replacement

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: see spare parts. 5.6 Actuator bushing replacement If the actuator is marked with a danger warning, do NOT attempt to cut the actuator open. SPRING UNDER LOAD DO NOT DISASSEMBLE Do not attempt to cut open...
  • Page 31 In these cases, the alignment spindle shown below, together with the socket wrench, is a great help and ensures a reliable mounting of the bushing. The spindle can either be purchased from Alfa Laval together with the socket wrench (9614-1984-01) or it can be manufactured locally using the below dimensions.
  • Page 32 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: see spare parts. Step 4 The actuator must be carefully fixed in a vice if it is dismounted from the valve. Be careful not to press the yoke flange oval when fixing the actuator in the vice.
  • Page 33 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: see spare parts. Step 7 Fit the aligning spindle to the actuator spindle, and then mount the socket wrench. DO NOT DISASSEMBLE DO NOT DISASSEMBLE 2200-0105...

  • Page 34: Dismantling Of (Nc) Maintainable Actuator

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. 5.7 Dismantling of (NC) maintainable actuator If the actuator is marked with a danger warning, do NOT attempt to cut the actuator open. See also section SPRING UNDER LOAD DO NOT DISASSEMBLE...
  • Page 35 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. 56) Only for shut off valves (Not mounted in actuator for change-over valves 59) No wear part 13.1 2206-0006...

  • Page 36: Dismantling Of Change-Over (No) Maintainable Actuator

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. 5.8 Dismantling of change-over (NO) maintainable actuator If the actuator is marked with a danger warning, do NOT attempt to cut the actuator open. See also section SPRING UNDER LOAD DO NOT DISASSEMBLE...

  • Page 37: Assembly Of Maintainable Actuator

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. 56) Only for shut off valves (Not mounted in actuator for change-over valves) 59) No wear part 13.1 2206-0007 5.9 Assembly of maintainable actuator Reverse order of 5.7.

  • Page 38: Changing Pneumatic Movement On Fuly Maintainable Actuator (Nc/No)

    5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. 5.10 Changing pneumatic movement on fuly maintainable actuator (NC/NO) If the actuator is marked with a danger warning, do NOT attempt to cut the actuator open. See also section .
  • Page 39 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Step 1 Actuator for the Shut-Off valves can not be reversed as it only is possible to operate in NC position. TD461-743_1 Actuator for the Change-over valves can be reversed from NC to NO and from NO to NC.
  • Page 40 5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Step 3 Drawing of "SSV Two step mounting tool" 1. Use ø32 mm bar and drill two ø4 holes in a diameter (Ø32 bar) ø26 mm.

  • Page 41: Technical Data

    6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform all personnel about the technical data. 6.1 Technical data principle The valve is a pneumatic seat valve in a hygienic and modular design remote-controlled by means of compressed air. It has few and simple moveable parts which results in a very reliable valve and low maintenance cost.

  • Page 43: Parts List And Service Kits

    7 Parts list and service kits The drawing shows Unique Single Seat Valve - Two Step. The items refer to the parts list in the following sections 7.1 Drawing TD 461-644_2 TD 461-643_2 Shut-off valve Change-over valve...

  • Page 44: Unique Single Seat Valve - Two Step 38-101.6Mm - Shut Off Valve

    The items refer to the parts list in the following sections 7.2 Unique Single Seat Valve - Two Step 38-101.6mm - Shut off valve If the actuator is marked with a danger warning do NOT attempt to cut the actuator open.
  • Page 45 7 Parts list and service kits The drawing shows Unique Single Seat Valve - Two Step. The items refer to the parts list in the following sections Parts list Pos. Denomination Cylinder Piston O-ring  Adapter (0115 -) Bushing ...

  • Page 46: Unique Single Seat Valve - Two Step 38-101,6Mm - Change-Over Valve

    The items refer to the parts list in the following sections 7.3 Unique Single Seat Valve - Two Step 38-101,6mm - Change-over valve If the actuator is marked with a danger warning do NOT attempt to cut the actuator open.
  • Page 47 7 Parts list and service kits The drawing shows Unique Single Seat Valve - Two Step. The items refer to the parts list in the following sections Parts list Pos. Denomination Actuator Cylinder Piston  O-ring Adapter Bushing  ...

  • Page 48: Mounting Tool - Unique Ssv - Two Step Maintainable Actuator

    7 Parts list and service kits The drawing shows Unique Single Seat Valve - Two Step. The items refer to the parts list in the following sections 7.4 Mounting Tool - Unique SSV - Two Step Maintainable Actuator TD 461-916...
  • Page 49 7 Parts list and service kits The drawing shows Unique Single Seat Valve - Two Step. The items refer to the parts list in the following sections Parts list Pos. Denomination Service tool only for Maintainable actuator Tool for bushing (pos. 24)
  • Page 50 © Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights. It is the responsibility of the user of this document to comply with all applicable intellectual property laws. Without limiting any rights related to this document, no part of this document may be copied, reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB.

This manual is also suitable for:

Td 461-703Td 461-702

Table of Contents