3 questions “Funnel the Spec” to one product type.
Start at the top, follow the path down, end on the recommendation. Designed for distributors to send a customer ahead of a quote call.
Question 1
What's the exhaust application — and what environment is the silencer in?
General indoor industrial · the default
Question 2a
Anything that disqualifies bronze — washdown, corrosion, weight, prototype?
If No · standard manufacturing / assembly / packaging
Recommend
Sintered Bronze Silencer
The default. Porous bronze handles oil mist, dust, temperature, and mechanical abuse for years. Quote the full set (one per valve exhaust port) and document 6-12 month PM replacement.
If Yes · weight-sensitive moving sub-assembly
Recommend
Plastic-Body Silencer
Gantries, robot end-of-arm tooling, high-speed pick-and-place where every gram of moving payload matters. A 10-valve manifold in plastic saves 0.5-1 lb of moving mass vs. bronze — real cycle-rate impact.
Hot exhaust · outdoor · impact-zone
Question 2b
Is exhaust temperature above ~120°F, or is the install outdoor / exposed to impact?
If Yes · any of those conditions
Recommend
Sintered Bronze Silencer
Bronze is mandatory. Polymer deforms above ~120°F, cracks on impact, and degrades outdoors. High-cycle valve manifolds, construction equipment, conveyor controls, and any guarded-but-exposed install all default to bronze.
Washdown · food · marine · chemical-vapor · corrosive
Question 2c
NSF-graded food-contact requirement, or general corrosion resistance?
If NSF food / pharma washdown
Recommend
Plastic-Body Silencer
Bronze rusts under repeated washdown and contaminates the air stream with corrosion products. NSF-grade plastic is mandatory on direct food-contact applications and the default on any washdown zone.
If General corrosion · marine / coastal / chemical
Recommend
Plastic-Body Silencer
Salt air, chlorinated atmospheres, and chemical-vapor environments destroy bronze in months. Plastic is the right call anywhere the ambient atmosphere is corrosive to metals.
Two things to keep in mind on every silencer quote. First — silencers are an attach sale, not a primary spec. The conversation starts after the valve count is known: one silencer per valve exhaust port × number of valves on the machine. A 20-valve machine is a 20-silencer line at install and a 20-silencer reorder line every 6-12 months at PM. Single-piece reactive quotes are the failure mode; full-set PM bundles are the recurring-revenue mechanic. Second — default to bronze unless a specific reason pushes to plastic. The named-reason list is short and clear (washdown / food / marine / corrosive / weight-sensitive / short-life prototype). Outside those conditions, bronze wins on durability, temperature range, and mechanical resilience — and Adsens carries both body styles, so the brand decision is already made.
Silencers aren't a tier-card sale — they're a count-the-valves sale. Quote the full set at install, put the reorder on PM, and the line runs itself.
SPC distributor playbook Silencers · how to win the reorder