Vindum CV Series Bedienungsanleitung

CV-Series

High-Pressure Valves

USER GUIDE

369 Syringa Ridge

Sandpoint, ID 83864

281.782.8312

www.vindum.com

support@vindum.com

V:1.2 (3-07-17)

This page is intenonally blank.

without express permission from Vindum Engineering. While every precauon has been taken in the prepara-

on of this manual, the publisher assumes no responsibility for errors or omissions. Neither is any liability

assumed for damages resulng from use of the informaon contained herein.

Table of Contents

Chapter 1 General Overview..................................................................................................1

1.1 Conguraon ............................................................................................................................ 1

1.2 Main O-Ring Seal Material ........................................................................................................ 1

1.3 Pressure Rang ......................................................................................................................... 1

1.4 Solenoid Pilot Valve .................................................................................................................. 2

1.5 Valve Temperature Rang ........................................................................................................ 2

1.6 Weed Parts ............................................................................................................................. 2

1.7 Everything you need to operate your CV Valve........................................................................ 2

1.8 Addional Informaon.............................................................................................................. 3

1.8.1 CV Valve Models .................................................................................................. 3

1.8.2 CV Valve Size ....................................................................................................... 4

Chapter 2 Understanding Your Valve...................................................................................5

2.1 Principles of Operaon for the 2-Way Valve ............................................................................ 5

2.1.1 Possible Conguraons of the 2-Way Valve.................................................................. 5

2.1.2 Direcon of Flow............................................................................................................ 5

2.2 Principles of Operaon for the 3-Way Valve ............................................................................ 5

2.2.1 Possible Conguraons of the 3-Way Valve.................................................................. 5

2.2.1.1 Open / Closed Posion (A1 / B2) ...................................................................... 6

2.2.1.2 Closed / Open Posion (B1 / A2) ...................................................................... 6

2.2.1.3 Open / Open Posion (A1 / A2) ........................................................................ 6

2.2.1.4 Closed / Closed Posion (B1 / B2) .................................................................... 6

Chapter 3 Solenoid Pilot Valves & Manifolds....................................................................7

3.1 Air Supply Requirements .......................................................................................................... 7

3.1.1 Air Input and Output............................................................................................ 7

3.2 Electrical Power......................................................................................................................... 8

3.3.1 Power Failure Opons.......................................................................................... 8

3.3 High Temperature CV Valves .................................................................................................... 9

Chapter 4 CV-200 Series & CV-400 Series Valve Maintenance....................................11

4.1 Tools You Will Need ................................................................................................................ 11

4.2 Disassembling the 2-Way Valve.............................................................................................. 11

4.3 Disassembling the Piston Assembly........................................................................................ 12

4.4 Disassembling the Sleeve Assembly ....................................................................................... 12

4.5 Inspecng the Sleeve and Cone.............................................................................................. 13

4.6 Reassembling the Sleeve Assembly ........................................................................................ 13

4.7 Reassembling the Piston Assembly......................................................................................... 14

4.8 Reassembling the 2-Way Valve............................................................................................... 14

Chapter 5 CV-300 Series & CV-500 Series Valve Maintenance ..................................17

5.1 Dierences Between the CV 2-Way and 3-Way Valves.......................................................... 17

5.2 Disassembling the 3-Way Valve.............................................................................................. 17

5.3 Disassembling the Piston Assembly........................................................................................ 18

5.4 Disassembling the Sleeve Assembly ....................................................................................... 18

5.5 Reassembling the Sleeve Assembly ........................................................................................ 18

5.6 Reassembling the Piston Assembly......................................................................................... 18

5.7 Reassembling the 3-Way Valve............................................................................................... 18

Chapter 6 Maintenance & Troubleshoong ....................................................................21

6.1 Air Supply Problems................................................................................................................ 21

6.1.1 Solenoid Pilot Valve Visual Check ................................................................................ 21

6.1.1.1 If the Light Goes On and O for a Dierent Solenoid Pilot Valve................... 21

6.1.1.2 If No Light Goes On or O............................................................................... 22

6.1.2 Solenoid Pilot Valve Audio Check ................................................................................ 22

6.1.2.1 No “Air Escaping” Sound When CV Valves Are Opened & Closed.................. 22

6.1.2.2 The Air Supply is Not Dry ................................................................................ 22

6.1.2.3 The Air Pressure is Too Low............................................................................ 23

6.1.2.4 The Air Pressure is Too High ........................................................................... 23

6.1.2.5 Constant “Air Escaping” Sound....................................................................... 23

6.1.2.6 Compressed Air Supply Runs Out Quickly ...................................................... 24

6.2 Fluid Supply Problems............................................................................................................. 24

6.2.1 Fluid Leaks from the CV Valve Bleed Port.................................................................... 24

6.2.2 Fluid Leaks Across a “Closed” Valve............................................................................. 25

6.2.3 Fluid Leaks Into Air Tubes ............................................................................................ 25

6.2.4 Fluid is Not Traveling Properly..................................................................................... 25

Appendix 1: Removal & Replacement of the Cone ........................................................27

Appendix 2: CV-210 & CV-310 Valve Components .........................................................30

Appendix 3: CV-405 & CV-505 Valve Components .........................................................31

Appendix 4: CV-410 & CV-510 Valve Components .........................................................32

Appendix 5: CV-420 & CV-520 Valve Components .........................................................33

Appendix 6: Commercially Available Parts .......................................................................34

A.6.1 Fluid Fings..........................................................................................................................34

A.6.2 Pilot Valves / Air Manifold ........................................................................................................35

A.6.3 Lubricants and Adhesives .........................................................................................................35

Appendix 7: O-Ring Compability Chart............................................................................36

Appendix 8: Quote Request / Order Form........................................................................37

Index.............................................................................................................................................38

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Chapter 1

1. General Overview

The Vindum Engineering CV High Pressure Valves are available in two conguraons; either as a 2-posion,

on/o valve, or a 3-way, 4-posion valve. The CV Valves are air-actuated, constant-volume valves with a

switching me of less than .1 second. They are typically used as switching devices in high-pressure uid ow

systems. The valves are designed so that no uid is displaced when they are opened or closed. This allows

them to be useful in systems requiring constant volumes or constant pressures during the switching cycle.

All weed parts on CV Valves ulize either 316 stainless steel, which is corrosion resistant, or Hastelloy© C-

276, which is used for brine applicaons or highly corrosive uids. Our standard valves have a temperature

rang of 180°F (80°C). Valves with our high temperature opon have a temperature rang of 320°F (160°C).

1.1 Conguraon

Each CV Valve is customized to the needs of the user by ulizing the following opons:

The CV Valve can be built as either:

•2-Way, on/o valve, which uses a single solenoid pilot valve

•3-Way, 4 posion valve which uses 2 solenoid pilot valves. The 3-way, 4-posion valve contains two inde-

pendently operated valves that are connected with a center ng (tee).

Solenoids to control the valve are sold separately. Solenoids can be ordered singly or in manifold with up to

twelve staons.

1.2 Main O-Ring Seal Material

The following materials are available for the weed O-ring. The weed O-ring material needs to agree with

the uid used. See Appendix 7 or online sources (such as the Parker O-ring handbook) for chemical combabil-

ity

•Aas

•Buna

•Teon™

•UHMW

•Viton

•Other materials on request

1.3 Pressure Rang

The CV-Valves can have a pressure rang of either 5,000; 10,000; or 20,000 psi.

1.4 Solenoid Pilot Valve

The solenoid pilot valves for the 85 to 115 psi air supply can be operated by either:

•12 Vdc

•24 Vdc

Note: The standard voltage is 12 Vdc, 24 Vdc is available on request.

1.5 Valve Temperature Rang

•Standard ambient temperature CV-Valves operate up to 180°F (80°C), and have push-in type air line

ngs.

•Oponal high temperature CV-Valves operate up to 320°F (160°C), and have compression type air line

ngs

Note: air line ngs are the only dierence between ambient and high temperature valves.

1.6 Weed Parts

There are two opons of materials for the valve’s weed parts, or the parts of the valve that will come in con-

tact with the uid:

•316 Stainless Steel for inert materials, or

•Hastelloy C-276 for corrosive materials or brine

1.7 Everything you need to operate your CV Valve

•Valve

•High Pressure Fings

•Pneumac ngs

Sold Separately

•Solenoid Pilot Valves

•1/8” air tubing

1.8 Addional Informaon

1.8.1 CV Valve Models

Table 1-1

CV VALVE MODELS

Valve

Model

Maximum

Pressure

Rang [PSI (Bar)]

Internal

Volume (cc)

Approximate

Flow

Coefficient (Cv)

2-Way On-O Valves

CV-210 10,000 (700) 0.11 .06

CV-405 5,000 (350) 0.44 .24

CV-410 10,000 (700) 0,44 .12

CV-420 20,000 (1400) 0.22 .03

3-Way 4 Posion Valves

CV-310 10,000 (700) 0.31 .06

CV-505 5,000 (350) 1.08 .24

CV-510 10,000 (700) 0.74 .12

CV-520 20,000 (1400) 0.62 .03

1.8.2 CV Valve Sizes

Valve Size

Valve

Model

Fings

(Autoclave Engineers)

Valve

Dimensions

2-Way On-O Valves

CV-210 W125 - 1/8” Speedbite

2” diameter x 1.695”

(5.0 cm x 4.3 cm)

CV-405 SW250 - 1/4” Speedbite 2.25” diameter x 1.95”

(5.7 cm x 4.9 cm)

CV-410 SW250 - 1/4” Speedbite

2.25” diameter x 1.95”

(5.7 cm x 4.9 cm)

CV-420 F250C - 1/4” High Pressure

2.25” diameter x 1.95”

(5.7 cm x 4.9 cm)

3-Way 4 Posion Valves

CV-310 W125 - 1/8” Speedbite

2” diameter x 3.645”

(5.0 cm x 9.2 cm)

CV-505 SW250 - 1/4” Speedbite

2.25” diameter x 4.435”

(57 cm x 11.3 cm)

CV-510 SW250 - 1/4” Speedbite

2.25” diameter x 4.435”

(57 cm x 11.3 cm)

CV-520 F250C - 1/4” High Pressure

2.25” diameter x 4.435”

(57 cm x 11.3 cm)

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