Guide de snubber pour manomètre | Manogauge

2026-06-20
Snubber de manomètre sur refoulement de pompe
Illustration schématique : le snubber se pose près de la prise.

Un snubber de manomètre est un petit organe de restriction ou d amortissement placé entre une source pulsée et l instrument.

Rôle du snubber de manomètre

A pressure gauge snubber is an accessory installed between a pulsating pressure source and the gauge. It improves readability and reduces repeated stress on the measuring element, but it does not replace process surge protection or a correctly rated gauge.

Comparer les options de manomètres pour cette applicationCommencez par plage, fluide, matériau et raccord.

Comment il amortit les pulsations

Coupe du snubber de manomètre
Illustration : la restriction poreuse réduit les pulsations.

The snubber adds resistance so rapid pressure changes are slowed before they reach the Bourdon tube. More damping gives a calmer pointer, but too much damping can hide a real pressure rise.

Une question ? Posez à nos ingénieurs →WhatsApp · réponse sous 24 h

Où la protection est nécessaire

Typical applications include pump discharge lines, compressors, hydraulic presses, dosing pumps and test stands. Dirty, viscous or crystallising media may require a diaphragm seal or transmitter instead of a narrow restriction.

Envoyer plage, fluide et raccord pour revue techniqueUne courte spécification suffit pour lancer la revue.

Manomètre rempli, snubber fixe ou restriction réglable

Matrice de choix entre manomètre rempli, snubber fixe et restriction réglable
Comparaison : choisir la restriction utile minimale.

Liquid-filled gauges damp mechanical vibration inside the case. Fixed snubbers reduce process pulses. Adjustable restrictors are useful during commissioning but the final setting must be documented.

MethodUseLimit
Liquid-filled gaugeVibrationNot spike isolation
Fixed snubberClean pulsating mediaCan clog
Adjustable restrictorSite tuningSetting control needed
Conseil de sélection de manomètre gratuit →Partagez vos conditions de travail — sans engagement

Liste de spécification

Confirm range, pulse source, medium, temperature, wetted material, thread, valve arrangement and response time. High-pressure, corrosive, hygienic and hazardous-area service must be checked by the project engineer.

Une question ? Posez à nos ingénieurs →WhatsApp · réponse sous 24 h

À confirmer avant achat

Use a pressure gauge snubber when pulses damage the instrument or prevent a readable average pressure. If pulsation threatens the equipment itself, correct the process cause first.

Conseil de sélection de manomètre gratuit →Partagez vos conditions de travail — sans engagement

Key takeaways

Часто задаваемые вопросы

When should I use a pressure gauge snubber?

Use a pressure gauge snubber when pump, compressor or hydraulic pulsation makes the pointer unreadable or causes repeated gauge failures. Do not use it as a substitute for process surge protection when pulses threaten the equipment itself.

Is a liquid-filled pressure gauge the same as a snubber?

No. Liquid fill dampens movement vibration inside the gauge case. A snubber restricts the process pressure path before pressure reaches the Bourdon tube. Severe process pulses may need both.

Can a snubber clog?

Yes. Porous and small-orifice snubbers can clog in dirty water, slurry, crystallising chemicals or viscous media. In those services, consider a diaphragm seal, flush connection or protected pressure transmitter.

Demander un devis avec conditions de serviceIndiquez plage, fluide, filetage, quantité et délai souhaité.

← All insights