Skip to main content

page top
See all in Pressure Regulators

325 Series Regulator

Chrome-plated brass, single stage regulator for lecture bottle applications
3253351-01-180 shown

The 325 Series regulator provides pressure regulation for non-corrosive gases stored in lecture bottles. Constructed with the smallest CAPSULE® seat design, the CONCOA 325 Series regulator offers excellent pressure regulation over the useful pressure range of the lecture bottle.

  • 316L stainless steel diaphragm prevents inboard diffusion
  • CAPSULE seat design features integral 360° filtration
  • Low wetted surface area minimizes purge requirements
  • Spectometric helium leak check verifies leak integrity
  • Minimal droop yields stable outlet pressure as gas depletes
  • Max inlet pressure (bare body): 3000 PSIG (210 BAR)
  • Body: Chrome-plated brass barstock
  • Bonnet: Chrome-plated, die-cast zinc
  • Gauges: 1 1/2 in (38 mm) diameter plated case
  • Seat: PTFE
  • Filter: 10-micron sintered bronze
  • Temperature range: -40°F to 140°F (-40°C to 60°C)
  • Diaphragm: 316L stainless steel
  • Cv: 0.02
  • Helium leak integrity: 1 x 10⁻⁸ scc/sec
  • Internal seals: PTFE
  • Ports (bare body): 1/8 in FNPT (inlet, outlet, and gauges) and 1/4 in FNPT (relief valve)
  • Conformances: Cleanliness meets or exceeds CGA G-4.1; PED 2014/68/EU; ANSI/ASME B40.1; CRN OH5216
◂ scroll to see more ▸ 

See catalog page for ordering information.

◂ scroll to see more ▸ 
Document
Language
ID Number
Revision
325 Series Regulators Catalog Page
English
RS325S
AH
Regulators, Reguladores, Détendeurs Installation and Operation Instructions
English, Spanish, French
ADI2062
M
CONCOA Scientific Research Apparatus Brochure
English
SPF400
I
CRN File OH5216
English
CRNOH5216
26

prop 65 warningWARNING: This product can expose you to chemicals including Lead, Chromium, Nickel, and 1-3 Butadiene, which are known to the state of California to cause cancer, birth defects, or other reproductive harm. And, this product can expose you to chemicals including Bisphenol A (BPA) which is known to the State of California to cause female reproductive harm. For more information go to www. PSWarnings.ca.gov.

CAPSULE® is a registered trademark of Controls Corporation of America
1