Check Valves: VW-20

3-Pieces Forged Check Valve
Up to 160 bar (2300 PSI)

TECVAL foto-vw20-3-
TECVAL

RELATED DOCUMENTATION

TECVAL Data sheet VW-20

Data sheet

TECVAL vw-20-cotes

Tecval VW-20 3-Pieces Check Valve is a Forged design. Due to its 3-Pieces design allows easy and safe assembly. Better than others on the market. 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

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

Options

  • VIC Grooved end connections.
  • FPM seats.
  • NBR seats.
  • NEOPREN seats.

Technical data

Maximum Pressure

Up to 160 bar (2300 PSI)

Nominal Cracking Pressure
  • Horizontal flow direction: 20 mbar (0,3 PSI)
  • Flow going down: 10 mbar (0,15 PSI)  /  Flow rising: please consult.
Temperature Range

-20ºC/200ºC (-4ºF/392ºF)

Connections

Threaded NPT (ANSI B1.20.1)

Threaded BSP (DIN ISO 228-1)

Socket Weld SW (ANSI B16.11)

Buttweld BW (ANSI B16.25)

Dimensions 1/2"3/4"1"11/4"11/2"2"
A6092.592.5-125125
B4468.568.5-106106
C222730-5056
Materials

AISI-316L (1.4404)

SuperDuplex (1.4410/1.4501)

Materials

PartAISI-316L SuperDuplex
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
TECVAL vw-20-despiece
TECVAL vw-20-cotes
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