VW01-13 - TECVAL, S.L., 2023 all rights reserved.
Wafer Type Lift Check Valve between flanges EN1092-1
Up to 160 bar (2300 PSI)

TECVAL manufactures its VW-01 Wafer Type Lift Check Valve. Developed by TECVAL, it is an exclusive and totally innovative use of the seal, which is suitable to work under high pressure service. Unique in the market with Superduplex spring. Its compact design guarantees a total hold-up, even with high volatile gases, fluids, steam,...etc.


Standard Superduplex Spring.
Face to Face dimensions acc. to EN558:2008.
Compact design.
No maintenance required.
Easy mounting in any position.
100% tested.


NBR seats.  B 
NEOPREN seats.  N 
FPM seats.  VI 
Technical data
Max. Pressure Up to 160 bar (2300 PSI)
Obert. Press Horizontal flow direction: 20 mbar (0,3 PSI)
Temperatures -20ºC/200ºC (-4ºF/392ºF)
Dimensions DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80
(PN100-PN160) B60728290103119144154
(PN64) B60728290103113138148
(PN25-PN40) B5161718292108127142
Order codes
PN100 - PN16046504651465246534654465546564657
PN25 - PN4046704671467246734674467546764677

* Dimensions in mm
NÂșPartAISI-316L  A4 SuperDuplex  AS 
1 BodyAISI-316L (1.4404)Superduplex (1.4410/ 1.4501)
2 BonnetAISI-316L (1.4404)Superduplex (1.4410/ 1.4501)
3 StemAISI-316L (1.4404)Superduplex (1.4410/ 1.4501)
4 SpringSuperduplex (1.4410/ 1.4501)Superduplex (1.4410/ 1.4501)
Special alloys

Among the wide range of alloys existing, TECVAL has selected this material considered by our customers as most suitable, which we stock to ensure a quick and effective supply. Whether you need further information about our special alloys valves and fittings, please address your inquiry to our Technical Department.



Ordering information

References are formed by three parts:

 Valve Code 
Look for it in the order codes chart on the previous page.
..  Option/s 
-If required, add the code/s from the options section on the previous page (in alphabetical order)
...  Material 
-Look for the code on the materials chart.
An example of valve and one option:

Wafer Type Lift Check Valve VW-01 DN 50 PN160 Superduplex:
 4655    AS  The reference required to place the order is 4655AS.

100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats. Upon request, the corresponding materials and test certificates can be delivered with the valve.


All TECVAL valves are supplied packed in individual polyethilene airtight bags. End screw connections are protected with polyethilene caps. Everything is 100% recyclable.

Elastomers & Seats

Seat (position 5) can be made of different materials: Nitrile  B  , FPM  VI  or Neopren  N  , considering the working conditions. Likewise the seats can be made in other materials upon request.

C/Colom, 519 - Pol.Can Parellada - 08228-TERRASSA - Barcelona - SPAIN | Tel: +34 938 280 055 | email: tecval@tecval.es