Griffco Valve, Inc., of Amherst, New York, recently announced the introduction of its new line of pulsation dampeners to enhance the performance of chemical feed systems. The addition of a Griffco pulsation dampener to a pumping system will reduce harmful shock waves and deliver continuous chemical dosage at the injection point, according to the company.
The new Griffco pulsation dampeners have maximum pressure ratings of of 250 psi (17 bar) for metallic models and 150 psi (10bar) for plastic models operating at up to 70°F (21°C). Connection sizes include 1/2, 3/4, and 1 (DN 15, DN 20, and DN 25) in NPT, BSPT, Socket, Union, or Flange connections. Gauge port sizes are offered in 1/8, 1/4, and 1/2 (DN 6, DN 10, and DN 15). They feature a choice of molded Noryl®, PP, PVDF, or 316 Stainless Steel construction. The diaphragm is supplied in EPDM standard, Viton® or Hypalon® optional. Gauge and charging valve materials are Brass (standard) and 316 Stainless Steel (optional).