SENTRY XP high-pressure pulsation dampeners from BLACOH Fluid Control are made of 316L stainless steel with pressure ranges to 15,000 psi and an optional pressure gauge for metering and dosing applications. Choose from Buna-N, EPDM and Viton bladders, or a PTFE Bellows design. With chemical and thermal resistance, PTFE Bellows offers flex life and compatibility with virtually all chemicals and solvents, and can withstand temperatures up to 220 F. They remove high-frequency pulses greater than 15 Hz as well as low-frequency pulses. The flow-through design allows it to effectively remove both hydraulic and acoustic pulses to achieve residual pulsations of less than 1 percent. ATEX-specific models are available to conform to EU directives and CRN models for Canadian provinces. 800/603-7867; www.blacoh.com.