A470 Leakage Butterfly Valve – Inoxpa

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A470 Leakage Butterfly Valve – Inoxpa

The A470 leakage butterfly valve can be used in most liquid product applications in the food-processing, pharmaceutical and chemical industries. The valve A470 offers a safe separation of products and prevents accidental mixing in case of gasket failure.

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Product detail

The A470 leakage butterfly valve can be used in most liquid product applications in the food-processing, pharmaceutical and chemical industries. The valve A470 offers a safe separation of products and prevents accidental mixing in case of gasket failure. The most usual applications are the ones that require safe separation of the product and CIP solutions in a single point or at the end of a manifold (e.g. CIP return) or entry of a CIP solution into a tank (through a spray ball).

The A470 valve provides double safety: the two discs are simultaneously actuated by only one actuator.

When the two discs are closed, there is a chamber between them. The chamber is under atmospheric pressure as it opens to the exterior, thus, in case of failure of any of the two gaskets, leakage of the liquid product will indicate any possible mixing of products.

The state of the gaskets is supervised by means of either of the leakage detectors.

The other superior detector controls the entry of the cleaning solution to prevent any kind of contamination in the chamber.

These two leakage detectors provide optimal protection and enable cleaning of the intermediate chamber.

– Compact and robust design.

– Low pressure losses.

Disc 1.4404 (AISI 316L)
Body halves 1.4301 (AISI 304) or 1.4404 (AISI 316L)
Other St. St. parts 1.4301 (AISI 304)
Gasket EPDM, FPM

Surface finish:
Internal Ra ≤ 0,8 μm
External Machined

Available sizes:
DIN EN 10357 series A DN 25 – DN 100
(previously DIN 11850 series 2)

ASTM A269/270 OD 1” – OD 4”
(previously to OD pipe)

Connections Weld

KHANH ANH COMPANY LIMITED
Address: F10, street 6, Van Gia Phuc block, 295 Tan Ky Tan Quy str., Tan Son Nhi ward, Tan Phu dist., Ho Chi Minh city, Vietnam.
Email: kaco@inoxkaco.vn
Hotline: +84 28 6658 2434 – 6659 2434

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