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Systèmes utilitaires Cleanroom
Valve à diaphragme sanitaire
A pneumatically operated 316L diaphragm valve that isolates the actuator from sterile and high-purity process media.
- Actuator isolated from process media
- Forged 316L hygienic body
- Drainable straight-through flow path
Introduction de produit
The sanitary diaphragm valve controls high-purity media through a flexible diaphragm that seals against the body weir while separating the actuator from the wetted flow path. Its compact straight-through body, polished internal surface and configurable pneumatic actuator suit automated clean-utility and sterile-process piping.
Key Features
PTFE-faced or elastomer diaphragm options
Pneumatic normally closed, normally open or double-acting control
Compact straight-through weir body
Sanitary clamp or weld-end connections
Visual position indication
Drainable installation orientation
Serviceable bonnet and diaphragm assembly
Préoccupations du client produit
Correct valve performance depends on diaphragm compatibility, actuator sizing, installation angle and a flow path that can drain and clean as intended.
Process media reaches actuator componentsUse the diaphragm as a continuous barrier between the wetted body and actuator mechanism.
Diaphragms fail prematurelyMatch diaphragm material and closing force to temperature, pressure, chemistry and sterilization cycles.
Water remains after system drainageInstall the valve at the body-specific drain angle with correctly oriented tube runs.
Valve status is unclear to automationAdd a compatible position indicator or control head with open and closed feedback.
Les applications typiques
Purified Water and WFI branchesSterile process transfer linesBiopharmaceutical media systemsCIP and SIP utility isolationAseptic formulation equipment
Paramètres techniques
Representative values vary by nominal size, body construction, diaphragm compound, connection standard and actuator function.
| Matériaux de base | 316L stainless steel forged, cast or machined valve body with selected hygienic diaphragm |
|---|---|
| Panneau épaisseur | Valve body wall typically 3.0–12.0 mm according to nominal size |
| Largeur effective | Face-to-face body width typically 80–350 mm |
| Longueur maximale | Overall valve height typically up to 650 mm including actuator |
| Acier face épaisseur | Stainless actuator shell typically 1.0–2.0 mm |
| Densité Core | 316L stainless steel density approximately 8000 kg/m³ |
| Conductivité thermique | 316L stainless steel approximately 15 W/(m·K) at ambient temperature |
| surface finie | Mechanically polished or electropolished product-contact surface with satin external finish |
| Type joint | Sanitary clamp ends or orbital-weld spigots with bolted bonnet-to-body diaphragm retention |
| Customisation | Disponible en fonction de l'application prévue et de l'environnement d'exploitation. |
Options disponibles
PTFE/EPDM or elastomer diaphragmNormally closed, normally open or double actingClamp or weld-end connectionsPosition feedback unitStroke limiterT-body and tank-outlet bodyMulti-port machined blockAlternative high-alloy body material
Planning a Sanitary Diaphragm Valve specification?
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