Catalogue

Check Valves

VW20-02 - TECVAL,S.L., 2021 all rights reserved.
VW-20
3-Pieces Forged Check Valve
Working Pressures: 100 | 160 bar (1500 | 2300 PSI)

Tecval VW-20 3-Pieces Check Valve is a Forged design. Due to its 3-Pieces design allows easy and safe assembly. Unique in the market with Superduplex spring. The forged connections result a mechanical stronger and more durable product, especially suitable for working in high corrosive environment. They are manufactured in several sizes, connections and alloys, always under ASME B16.34.

Features

 
Standard Superduplex Spring.
 
Unique design between forged Flanges.
 
Three pieces to allow a full disassembling.
 
No maintenance required.
 
Easy installation in any position.
 
100% tested.

Options

 
NBR seats.  B 
 
High working pressure 210 bar (3000 PSI).  I 
 
NEOPREN seats.  N 
 
FPM seats.  VI 
Technical data
Max. Pressure Standard working pressure: 100 bar (1500 PSI) High working pressure 160 bar (2300 PSI)
Obert. Press Horizontal flow direction: 20 mbar (0,3 PSI) Flow going down: 10 mbar (0,15 PSI)  /  Flow rising: please consult.
Temperatures -20ºC/200ºC (-4ºF/392ºF)
Dimensions 1/2" 3/4" 1" 11/4" 11/2" 2"
A6092.592.5-125125
B4468.568.5-106106
C222730-5056
Order codes
BSP271127152721274127452751
SW271327172723274327472753
BW Sch.40s271427182724274427482754
NPT271227162722274227462752
VIC Grooved271027192720274027492750

* 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 SeatEPDMEPDM
5 SpringSuperduplex (1.4410/ 1.4501)Superduplex (1.4410/ 1.4501)
6 End connectionAISI-316 (1.4401)Superduplex (1.4410/ 1.4501)
7 ScrewAISI-316L (1.4404)AISI-316L (1.4404)
8 Grower WasherAISI-316L (1.4404)AISI-316L (1.4404)
9 NutAISI-316L (1.4404)AISI-316L (1.4404)
10 O-ringEPDMEPDM

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.

Example: Check Valve VW-20 1"NPT Superduplex:
 2722   AS  The reference required to place the order is 2722AS .

 

   
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 4) and O-ring (position 10) 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.

VW01-10 - TECVAL, S.L., 2021 all rights reserved.
VW-01
Wafer Type Check Valve between flanges EN1092-1
Up to 160 bar (2300 PSI)

TECVAL manufactures its VW-01 Wafer Type 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 DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80
L2531.535.54045566371
(PN100-PN160) B61728290103119144154
(PN64) B61728290103113138148
(PN25-PN40) B5161718292108127142
C152025324048.56377
Order codes
PN100 - PN16046504651465246534654465546564657
PN6446604661466246634664466546664667
PN25 - PN4046704671467246734674467546764677

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

VW02-07 - TECVAL, S.L., 2021 all rights reserved.
VW-02
Wafer Type Check Valve between flanges ASME B-16.5
Up to 160 bar (2300 PSI)

TECVAL manufactures its new VW-02 Wafer Type 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 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.

VR01-09 - TECVAL,S.L., 2021 all rights reserved.
VR-01
Poppet Check Valve (FxF)
Working Pressures: 100 | 210 bar (1500 | 3000 PSI)

TECVAL VR-01 poppet check valves are designed to work with liquids under both high pressure and temperature service. They open at a fixed low pressure and close immediately the moment the flow reverses. They are commonly used in chemical plants, water treatment plants, refineries, laboratories and power stations, as well as in general industry.

Features

 
Metal-to-metal seal by movable poppet (up to 1").
 
O-Ring seal (from 1¼”" to 3").
 
Compact design.
 
No maintenance required.
 
Easy mounting in any position (without spring must be mounted horizontally)
 
100% tested.

Options

 
High working pressure 210 bar (3000 PSI).  I 
 
Poppet with O-ring seal (up to 1").  R 
 
Assembled without spring.  S 
Technical data
Max. Pressure Standard working pressure: 100 bar (1500 PSI) High working pressure 210 bar (3000 PSI)
Obert. Press 1 bar (14.2 PSI)
Temperatures -20ºC/400ºC (-4ºF/752ºF)
Dimensions 1/4" 3/8" 1/2" 3/4" 1" 1¼" 1½" 2" 2½" 3"
A3335424550557272112112
B12.51517.520253345456969
C5055657590100115115180180
D2530354050608080120120
Orifice Size 6.5 8 11 14 16 17 22 25 35 42
Maximum Cv 0.8 1.2 2.3 3.1 4.2 4.4 4.9 8.9 14.6 22.9
Order codes
BSP4200420342064209421242274215421842214224
NPT4201420442074210421342284216421942224225
SW4202420542084211421442294217422042234226
BW Sch.40s4250425142524253425442304255425642574258
VIC Grooved4280428142824283428442894285428642874288

* Dimensions in mm
Materials
PartAISI-316L  A4 SuperDuplex  AS 
1 CapAISI-316L (1.4404)Superduplex (1.4410/ 1.4501)
2 SpringStainless Steel CoatedStainless Steel Coated
3 PoppetAISI-316L (1.4404)Superduplex (1.4410/ 1.4501)
4 BodyAISI-316L (1.4404)Superduplex (1.4410/ 1.4501)
5 Poppet O-ring *EPDMEPDM
6 Safety lock nut *AISI-316L (1.4404)AISI-316L (1.4404)
Special alloys

Among the wide range of alloys existing, TECVAL has selected those 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. 

Elastomers & Seats

Poppet O-ring (position 5) can be made of different materials (NBR, EPDM & NEOPREN) upon request, considering the working conditions and fluid of the valve. For further information, please contact our Technical Department.

 

Poppet O-Ring * / Safety lock nut *

Poppet O-Ring *: In order to provide a perfect seal, our VR-01 valves in standard version are equipped with O-ring in poppet from dimensions 1¼”" to 3".
Optionally, the dimensions from 1/4" to 1" can also incorporate this type of closure.  R 

 

Safety lock nut *: To avoid accidental detachment of the top cap, VR-01 valves incorporate a safety lock nut in dimensions from 1¼”" to 3".

 

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 with one option:
Check valve VR-01 1/2"NPT AISI-316L with O-ring in the closure:  4207   R   A4  .

The reference required to place the order is 4207RA4

 

Tests

100% tested in accordance to API STANDARD 598, each valve is tested to check the leakage in the seats and packing. 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.


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