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Redefining Valve Technology

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Common Automated Valve Background

Common Automated Valve Background

Efficiency of a valve   Roughly speaking, the air flow rate of the solenoid valve mainly depends on the pressure and the flow area size. In most cases, the flow should be choked as...

Applications

Applications

Vacuum Application Example and Demonstration In-Tube Solenoid Valve in Vacuum Applications Possible configurations using in-tube solenoid valve: 1. with vacuum ejector - small...

AHR Trade Show, Jan 2014

AHR Trade Show, Jan 2014

We have returned from the AHR show at New York City and we have met a lot of people and gained a lot of valuable information. Thank you for those whom have stopped by our booth and shared their...

Pricing

Introducing the new One Size Fits All (from 3/8"-1"), In-tube Solenoid Valve - The JETS.   A great discount will be offered to new businesses, businesses that are under...

Distributor

Currently we are looking for experienced distributors in the following regions: North America, South America, China, South Asia and Europe.  You can find the distributor letter here....

  • Common Automated Valve Background

    Common Automated Valve Background

    Saturday, 13 December 2014 12:37
  • Applications

    Applications

    Sunday, 23 March 2014 23:11
  • AHR Trade Show, Jan 2014

    AHR Trade Show, Jan 2014

    Wednesday, 05 February 2014 11:24
  • Pricing

    Tuesday, 08 October 2013 00:08
  • Distributor

    Saturday, 07 September 2013 13:09

Sprutan Group Ltdwhere the valve technology is redefined!

Sprutan Group valves are developed based on the patented technology of In-tube Solenoid Valve and are designed in Canada.  

Sprutan Owned Patents  Sprutan In-tube Solenoid Valve Patents 
 patents  intubepatent

Sprutan Products

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product cutawaylabel2

Product Highlights:

Fluid Energy Saving (up to 15% compressed air cost) - Avoiding the silent profit killer due to flow frictions and bends.

Low-power (2W) activation and long operating life - for a reliable operation without sticky or coil burnt out problems. 

Amateur tube and coil are enclosed - Avoiding damages to these crucial components due to accidental impact.

Compact and In-line design - for an in-line configuration with the piping to save installation spaces.

A "plug and play" approach - for an easy installation

Easy removal for easy maintenance or replacement - Face Seal option

In-tube Solenoid Valve Structures:

Internal Structural and Animation

Inside structure of the innovated solenoid valve

Valve in Operation

If you are unable to view the video, please download it here

Common Asked Questions

1. Can your solenoid valve be considered as full port?

For a valve to be considered as full port, the throat area (the seal seat) should equal to the outlet flow area. In most of the solenoid valve, the flow area can often be modeled as the pheripheral area of a cylinder which is πHD, where the D is the diameter of the exit area of the throat and H is the height (some refer to travel or stroke) of the seal can be opened. Using the area calculaton:  

πHD=1/4*πD2,  where π=3.1416

it is calculated that the value of H has to be at least 1/4 of the diameter of the outlet to be considered as full port.

Below shows the explanation of various common valves.

 Diaphragm Valve

This type of valve, the effective flow area is around the peripheral space between the diaphragm (the blue) and the seal seat. The area is calculated to be πHD. For a full flow, the value of H has to be at least 25% of the outlet diameter D. So for a 1" diameter valve (25.4 mm), to reach full flow, the required H is at least 6 mm. This is unlikely for a diaphragm valve.  

 Coaxial Type Valve

The effective flow area is harder to calculate as it is depicted in the diagram where it consists of three gap in the seal seat design. Even if the gap distance H is more than 25% of the outlet diameter, due to the geometry of the cross-section, it cannot be classified as a full port design. 

                         

Ball Valve

Ball valve is considered as a full port design as there is no obstructions in the flow. This is a typical example of a full port valve.

       

In-tube Solenoid Valve

The in-tube solenoid valve is designed in such a way that the distance H can be opened at least 25% of the total diameter to be classified as full port. 

2. Does your valve last a long time? - The Decoupled Design

Yes, it does because of the two reasons:

A. The in-tube solenoid valve consists of two valves - a pilot valve and a main valve.  The opening of the in-tube solenoid valve is a two step process. First, the pilot valve (a direct drive valve) creates the pressure difference in the mechanism. This direct valve does not use a large power, hence, the solenoid does not burnt out easily, prolongs the usage. 

Second, when the pressure difference is created, the fluid pushes the main valve to open to allow the fluid to flow from inlet to outlet. Unlike the exisiting solenoid valves, during the opening of main valve, the fluid pushes NOT pulled the main valve open.  This ensures a long lasting life for the seal on the main valve. 

B. Because of the inherent structure of the valve, the travel of both valves are independent of each other so neither valve movements are restricted.  This is named Decoupled Design.  The decouple design offers much more than just the long life and large flow. It is also responsible for the low power required, high pressure capability and fast activation time. 

3. Everything is inside your valve, what if the solenoid burnt out and valve stop working? -The Face Seal Option

Because of the decoupled design, the solenoid inside the valve does not require high voltage to open a valve (prolongs the operation life). Our solenoid valve uses 7W of power and is rated 100% continuous for this power. However, we do understand and recognize that may be a possibility for the valve to fail and it has to be removed, serviced or replaced.  We have added a face seal option for easy removal and installation. The face seal option is shown below:

In this option, eventhough the either end is still NPT connection, there is a possibility to remove the solenoid valve after a connection has been made.  When it is added to the pipe, the set up looks like below:

The installation process is the same as the normal NPT connection.  The pins are used to adjust the position of the valve. When the valve needs to be replaced. The technician will remove the four socket head cap screw as shown below:

Once the screws are removed.  The valve can be disconnected from the pipe line as shown below:

Here the o-rings from the face seal can be discarded or reused.  When replacing with another solenoid valve, all technician has to do is to place the O-rings in location and then place the valve back and tight the head screws from both sides.  This way, the removal of the solenoid valve is made extremely simple. 

 

4. What should I do with the failed solenoid valve? Should I repair them?

All Sprutan Valve comes with a One-year warranty.  If the valve is damaged from no fault of the users, we will replace them free of charge if it is within the warranty. You will be responsible for the shipping to send it back to us and we will credit your account with the shipping if it was not the fault of the users. However, it failed due to mis-use or use under incorrect specification, a repairment fee may be charged. 

 

 

Comparison Chart:

Properties

In-Tube Solenoid Valve

Actuated Coaxial Valve

Solenoid Coaxial Valve

Actuator with Ball Valve
 

Power

Low (~7W)

Medium (~15W)

High (>40W)

Medium (~15W)

Flow Coefficient (CV), 1"

23.8

17

17

40

Activation Method

Solenoid

Pneumatic Actuator

Solenoid 

Pneumatic Actuator

Extra Pneumatic System

Not Required

Yes (extra cost)

No

Yes (extra cost)

Space Requirement

Compact

Larger space required (with tubing and compressor)

Larger Space Required

Bulky (with tubing and compressor)

Weight

Light (~1 Kg)

Heavy

Heavy

Very Heavy

Environmental Protection

Yes

No

No

No

Anti Explosive Protection

Inherent, certifications upon request

Additional cost for ATEX 

Additional cost for ATEX 

Additional cost for ATEX 

Remote Control

Capable

Not Possible

Not Possible

Not Possible

Battery Operation

Capable

Not Possible

Not Possible

Not Possible

Activation time

Fast (0.03s~0.05)

Slow

Average (~0.08)

Very Slow

Overheating coil

Not Likely

Not Likely

Very Likely

Not Likely

Cost

Cheapest

Expensive (with additional actuator and compressed air supply)

Expensive

Expensive (with additional actuator and compressed air supply)

Assembly

Plug & Play - Easy installation

Face Seal Option - Easy Removal

Extra Fittings for the pneumatic actuator

Additional device for solenoid protection

Extra Fittings for the pneumatic actuator

Possible Applications:

Air Drying Equipment

Venturi Water Pump

Pollution Control Equipment

Process & Packaging Control Applications (Vacuum Systems, Venturi Pumps)

Laundry Equipment

Textile Dyeing & Drying

Ink & Paint Dispensing

Industrial Compressors

Natural Gas Distribution Systems

Mining Industry - Ventilation System

Abrasive Blasting Applications

Hydrogen/Clean Energy Applications

Commenting on the in-tube solenoid valve advantages

If you are unable to view the video, please download it here

In-Tube Solenoid Valve in Action - Cycling Test

-Running at 150 psi

-6.6V & 0.33A (2.2W) without electronic enhancement

-Over 30,000 cycles without failure

Label

Valve in Operation

If you are unable to view the video, please download it here

Estimated Response Time: 0.03 ~ 0.05 seconds

If you are unable to see the movie, you can download it here or under the Download page.

Click here for operation principles

 

 

 

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