The new pulsation dampeners offer high reliability at a competitive price, Griffco states. In an initial release, nine volumetric sizes are offered ranging from 6.0 to 125.0 cubic inches with a dampening effect of +2.5%. Larger sizes will be released at a later date.
An interactive pulsation dampener sizing calculator on the company’s website enables buyers and specifiers to select the correct size unit based on their volume per stroke, mean system pressure, type of pump, type of gas, and desired dampening effect.
The new Griffco pulsation dampeners have maximum pressure ratings of 250 psi (17 bar) for metallic models and 150 psi (10 bar) 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). Manufactured in the USA, 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).
Griffco pulsation dampeners are said to offer high reliability at a competitive price.