MATTCO Pneumatic Discharge Dampeners are available in both 10 gallon and 20 gallon versions ranging in operating pressure from 3,000 to 10,000 psi. Molded bladders are interchangeable with Hydril series K dampeners. The replaceable bottom plate connects to standard API flanges. Premium stainless steel flanges are available to ensure extremely long service life of the BX ring groove connections. MATTCO Pneumatic Discharge Dampeners are designed and manufactured in the USA. Custom OEM designs[1] and ASME, ABS, CRN, CE and DNV certifications are available.

MATTCO Maintenance-Free Discharge Dampeners are available in all sizes from 5 to 160 gallons ranging in operating pressure from 200 to 25,000 psi. Each dampener is custom-tailored to the specific volume and pressure requirements of the reciprocating pump and is designed for any mounting configuration using standard API connections. Premium stainless steel vessel construction is available for special industrial or food grade requirements. Stainless steel nozzle configurations are available to ensure extremely long service life of the BX ring groove connections. MATTCO Maintenance-Free Discharge Dampeners are designed and manufactured in the USA. Custom OEM designs[1] and ASME, ABS, CRN, CE and DNV certifications are available.

MATTCO’s Combination Discharge Dampener (U.S. Patent No. D626,819) offers the synergistic benefits of both the Maintenance-Free and Pneumatic Discharge Dampeners. The combination dampener includes a strainer on the outlet so it takes the place of one pneumatic dampener, one maintenance-free dampener and a strainer cross.  As a result, performance is optimized while the weight and footprint are minimized. Premium stainless steel nozzle configurations are available to ensure extremely long service life of the BX ring groove connections. MATTCO Combination Discharge Dampeners are designed and manufactured in the USA. Custom OEM designs[1] and ASME, ABS, CRN, CE and DNV certifications are available.