EN 774.1 Breather Check Valve Caps Plastic, with Membrane

Photo

EN 774.1 Plastic Breather Check Valve Caps, with Membrane Color: RT - Red, RAL 3000
LESA original design
code: TVD.
Color: RT - Red, RAL 3000
EN 774.1 Plastic Breather Check Valve Caps, with Membrane Color: RT - Red, RAL 3000 EN 774.1 Plastic Breather Check Valve Caps, with Membrane Color: GN - Green, RAL 6001

Product description

Information

Breather check valve caps EN 774.1 prevent the build up of underpressure in fluid containers.

They are used when a container is to be emptied quickly. The elastic membrane ensures a sufficient air supply.

Besides that, the contact pressure of the membrane prevents the escape of fluid, e.g. during transport. If the container is turned upside down, the additional contact pressure from the fluid will be sufficient to keep the outlet firmly shut.

Specification

Upper part (cap)
Plastic
Technopolymer (Polypropylene PP)

  • Temperature resistant up to 122 °F (50 °C)
  • Red, RAL 3000RTRT
    Membrane and flat seal
    EPDM (Ethylene propylene diene rubber)
  • Green, RAL 6001GNGN
    Membrane and flat seal
    FKM (Fluor rubber, Viton®)
  • Black printed symbol

Lower part (screw-in thread)
Plastic
Technopolymer (Polypropylene PP)

  • Temperature resistant up to 122 °F (50 °C)
  • Black

RoHS

Technical drawing

3D
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EN 774.1 Plastic Breather Check Valve Caps, with Membrane sketch

Part Options / Table

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Metric

Dimensions in: Inch (change to Metric)
d1d2
Pipe thread
d3d4l1l2Air flow rate in l/min
Underpressure
in mbar

Seal membrane
FKM

EPDM
2.76G 1 1/41.302.700.672.3250360370
2.76G 1 1/41.302.700.672.3240320330
2.76G 1 1/41.302.700.672.3230260280
2.76G 1 1/41.302.700.672.3220210230
2.76G 1 1/41.302.700.672.3210140160
2.76G 1 1/41.302.700.672.325110130

Build & Price

3D Product Configurator
Diameter d1
Pipe thread d2
Color
GN
RT

Selected Part

Total US Dollars (net)
$38.65
Call / Email for Delivery Time
Please note our quantity discounts (US Dollars).
MinMaxPrice
16$38.65
799$37.25
100249$35.14
≥ 250$31.63
Prop 65: -
Please contact our Sales Department for more information.
RoHS: -
No details on RoHS compatibility are available at this time. Please contact our Sales Department for more information.
Weight: 0.160 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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EN 774.1-70-G11/4-RTEN 774.1-70-G11/4-GN

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