Sanitary Stainless Pneumatic Divert Mixproof Valve

Model:

Place of Origin:

Wenzhou, China

Material:

SS304/SS316L

Gasket:

PTFE, EPDM, NBR

Packing:

Suitable Packing for Sea/Air Transport

Quantity:

1000 Piece/Pieces per Month

Payment:

T/T, L/C, Western Union

Medium:

Water, Oil

Specification:

1 1/2"-4"

A mixproof valve separates two incompatible fluids flowing through intersecting sanitary pipelines to prevent cross-contamination. The physical layout positions independent sealing discs inside an isolated body with an atmospheric vent port between seats. Any fluid escaping across a damaged seal perimeter exits out the lower drainage aperture rather than entering the active product stream, safeguarding processing integrity during continuous production runs.

Pneumatic Actuation and Chamber Venting

Pneumatic actuators drive internal vertical stems to route viscous media across precision-machined flow paths. Saturated steam purges the internal cavity during continuous cycles to neutralize potential bacterial ingress. Machined AISI 316L stainless steel internal walls resist harsh caustic flushes and acidic sanitizing solutions, maintaining surface roughness under 0.8 microns Ra.

Hydraulic Routing States and Atmospheric Cavity Defense

The matrix defines flow routing sequences across standard production and cleaning cycles:

Processing Phase	Internal Stream Routing	Fluid Barrier Mechanism
Product Transfer	Streamlines move through upper or lower ports	Atmospheric leakage zone separates flow paths
Seat Flush Cycle	CIP solution circulates across individual seats	External drain ports vent rinse chemicals outward
Thermal Purge	Saturated steam circulates across barrier cavity	Continuous condensate drain halts microbial ingress
Seal Degradation	Displaced process liquid escapes through the bottom orifice	Atmospheric pressure boundary prevents cross-leakage

Displacement Tracking and Surge Suppression

Correct mixproof valve operation relies on proximity sensors and digital tops tracking stem position down to fractions of a millimeter. Real-time stroke feedback confirms that seats compress fully during pulsation cycles without generating destructive hydraulic surges.

The contoured internal flow geometry dampens fluid velocity spikes, eliminating pipe vibration and destructive water hammer across process manifolds. Calibrated spring cartridges return internal plugs to closed fail-safe positions whenever compressed air pressure drops unexpectedly.

Distribution Manifolds and Elastomeric Selection

Installing a double seat valve arrangement across multi-tank distribution clusters replaces manual flow divert panels and eliminates operator intervention errors. Specifying appropriate elastomer compounds like EPDM, FKM, or PTFE prevents premature material degradation under elevated line temperatures.

Balanced upper and lower plug designs counteract sudden fluid pressure shocks from dynamic pump starts. Deploying a double seat mixproof valve maintains continuous processing stability while slashing product loss during CIP changeovers.

Product Description

Material quality:	AISI304, AISI304L, AISI316, AISI316
Size:	1 1/2"-4"
Standards:	DIN, SMS, ISO, IDF, RJT, 3A, etc
Connection end:	threaded,welded,clamped
Types:	L, T, LL, LT,TL,TT