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www.sitech.se

www.sitech.se

Warranty:

SI TECH warrants to the original purchaser, their valves and hoses to be free of defects in material or workmanship for a period of

thirty six (36) months from the date of purchase, to a maximum of sixty (60) months from the date of manufacture. Comments or

questions about this warranty should be directed to [email protected].  Please include information about the batch code, brand and

model of drysuit, serial numbers and proof of purchase. SI TECH AB will provide further information about where to send the product.

Limitations in warranty:

This warranty will be considered null and void when damages are caused by misuse or abuse such as, but not limited to, impact damage, 

unauthorized repair or modification, chemical or gas exposure, temperatures in excess of 175 degrees F (*80 degrees C).  Products with 

altered or removed identification numbers are not covered.  This warranty does not cover parts 

normally found in SI TECH service kits, such as O-rings, gaskets, seats, etc.

Quality Approved Worldwide

Exhaust Valves

Inflation Valves

Skeleton

Shell

Slide

- Slide activated sideways 
- Rotating 360° degrees
- Anti-friction washer
- Nipple cover
- Available with Int´l coupling

- High or low push button
- Rotating 360° degrees
- Anti-friction washer
- Nipple cover
- Available with Int´l or Cejn coupling

- High or low push button
- Rotating 360° degrees
- Anti-friction washer
- Nipple cover
- Available with Int´l or Cejn coupling

- Ratchet action
- Adequate flow performance
- Easy manouvering
- Safety Valve

- Ratchet action
- Adequate flow performance
- Easy manouvering
- Safety Valve
- Great when using heavy duty gloves 

- Ratchet action
- Adequate flow performance
- Easy manouvering
- Safety Valve
- Great when using heavy duty gloves

Thetis

Argo

Gaude

Dump Valves

Our complete range of valves does also 
include Dump Valves for a variety of needs. 
These can be found at: www.sitech.com

This manual cover standard valves and hoses. Custom made valves and hoses may differ in use and 

procedures. SI TECH reserves the right to incorporate modifications in products without any notice. SI TECH reserves 

the right for misprints. Images and illustrations are protected according to copyright regulations.

SI TECH is a Swedish company focusing on development, 
manufacturing and marketing of innovative safety solutions 
for protective suits such as; drysuits, rescue suits and similar 
protective garments. SI TECH is rooted in the diving industry 
and this is still the company’s core market. The company 
was founded in 1971 by innovative diving pioneer Stig Insulán.

Core products: 

Modular Quick Change Solutions, Drysuit Valves, Seals, 
Dry Glove Systems, Gas Supply Systems.

Market Segmentation

Marine | Military | Rescue

Development & Production

We take pride in the statement ”Made in Sweden”! At SI TECH 
we are running both development and production in-house at our 
facilities in Brastad. Inhouse competencies include: CAD construction, 
Injection Molding, CNC Machining, EMD Machining, Assembly, Sales 
and Marketing, Logistics and Administration. Our team of engineers, 
sales and marketing personell have a close co-operation with the 
end-users of our products. Our location close to the ocean provides us 
with fantastic opportunities of testing our products in situations from 
normal to extremes.

Sales & Marketing

Company sales and marketing is operated from company headquarters 
in Brastad, Sweden. On the international arena SI TECH is guiding a 
network of distributors operating on a worldwide basis.

Summary of Contents for Skeleton

Page 1: ...Photo Jonas Wall www sitech se Valve Manual For optimal buoyancy control ...

Page 2: ...t be removable for checking and service 9 It must be attached in a Valve Port preventing leakage if material is compressed Also to avoid rip out if tangled The result of Stig s and SI TECH s efforts is known worldwide and has evolved modern drysuit diving to what it is today SI TECH Valves are designed to make your dives pleasant and easy avoiding dangerous pressure gradients between the suits inn...

Page 3: ...tting according to standard requirement Prior to detachment from the suit and prior to re attachment into the suit Valve Port make sure that the Exhaust Valve cover is adjusted clockwise to full stop Incorrect Correct 2 3 4 5 6 1 7 8 9 10 11 12 13 1 Cover lid 2 Adjustment ring 3 Center guide 4 Protecting ring 5 Anti friction washer 6 Attachment nut filter lid 7 Adjustment lid 1 Cover lid 2 House r...

Page 4: ...e drysuit further by rolling the body or by raising or lowering the elbow The valve may need further fine tuning during the dive depending on gas consumption during dive and the suit material There should be no gas in your BCD during the dive The BCD is used only as a back up Adjust the valve slightly by turning the valve cover The clicking sound that can be heard when you turn the valve cover mak...

Page 5: ...ty of the Exhaust Valve A non restrictive fit is desirable but the suit must not be too large especially not over the shoulder area Be sure that the neck seal is properly trimmed and folded for comfortable fit A neck seal that is too tight can restrict the flow of blood to and from the brain A neck seal that is too loose will allow gas to leak out and cause a reduction of pressure within the suit ...

Page 6: ...loves Ratchet action Adequate flow performance Easy manouvering Safety Valve Great when using heavy duty gloves Thetis Argo Gaude Dump Valves Our complete range of valves does also include Dump Valves for a variety of needs These can be found at www sitech com This manual cover standard valves and hoses Custom made valves and hoses may differ in use and procedures SI TECH reserves the right to inc...

Page 7: ...u for choosing a drysuit equipped with valves from SI TECH the No 1 choice of discerning divers SI TECH valves are designed to meet the highest standards of comfort and safety I strive to keep it that way and wish you many pleasant dives Jonas Axelsson President of SI TECH AB ...

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