VW02-08 - TECVAL, S.L., 2022 all rights reserved.
VW-02
Wafer Type Lift Check Valve between flanges ASME B-16.5
Up to 160 bar (2300 PSI)

TECVAL manufactures its new VW-02 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.

Features

 
Standard Superduplex Spring.
 
Face to Face dimensions acc. to EN558-2, line 52.
 
Compact design.
 
No maintenance required.
 
Easy mounting in any position.
 
100% tested.

Options

 
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 1/2" 3/4" 1" 11/4" 11/2" 2" 21/2" 3"
L2531.535.54045566371
(CLASS 900) B6066.5768595140162165
(CLASS 300-400-600) B5163.57079.592108127146
(CLASS 150) B44.55463.57382.5101.5120133
C152025324048.56377
Order codes
CLASS 15047004701470247034704470547064707
CLASS 300-400-60047304731473247334734473547364737
CLASS 90047404741474247434744474547464747

* Dimensions in mm
Materials
PartAISI-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)
5 SeatEPDMEPDM
Special alloys

Among the wide range of alloys existing, TECVAL has selected this considered by our customers as most suitable, which we stock to ensure a quick and effective supply. Whether you do not find the required alloy or 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-02 2" CLASS 150 Superduplex:  4705   AS  

The reference required to place the order is 4705AS

 

   
Tests

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.


Packaging

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/Berlín, 1 Nave 4 - Pol.Can Torrella - 08233-VACARISSES - Barcelona - SPAIN | Tel: +34 938 280 055 | email: tecval@tecval.es