Advanced Specialty Gas Equipment

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Brass Single-Stage Regulator Model LABD
BRASS REGULATORS
Model LABD
High Purity, Single-Stage, Chrom-Plated Regulators

These metal diaphragm single-stage regulators are specially designed for laboratory applications requiring both high reliability and diffusion resistance. They are recommended for high purity non-corrosive gases where inlet pressure does not vary greatly (such as liquefied gases), or where periodic readjustment of delivery pressure setting does not present a problem.

 

Standard Features
  • Stainless Steel Diaphragm minimizes diffusion of air into regulator and eliminates "off gassing" associated with elastomeric diaphragms, thus maintaining gas purity.
  • High Purity Regulator Design permits vacuum purging of regulator.
  • Diaphragm Seal Outlet Valve maintains gas purity.
  • Chrome-Plated Surfaces provide polished appearance and ease of cleaning.
  • Cartridge (Encapsulated) Seat Assembly provides for ease of maintenance and repair.
  • Filter in Seat Assembly traps foreign matter, extends regulator life and reduces maintenance.
Optional Features
  • Relief Valve protects regulator components from the effects of overpressurization.
Specifications
Maximum Inlet Pressure

Inlet Pressure Gauge

Delivery Pressure Range

Delivery Pressure Gauge

Filter: 10 micron

Gauge Size: 2" Dial

Operating Temp. Range: -40°F to 140°F

Flow Coefficient:
  Regulator: Cv = 0.18
  Outlet Valve: Cv = 0.17

Inlet Connection: CGA 296, 320, 326, 346,
350, 540, 580, 590, or 660 as ordered

Outlet Connection:
  1?4" NPT female (on outlet valve)

Optional Relief Valve Vent Connection:
  1/4" NPT male

Supply Pressure Effect: 1.0 psi per 100 psi

Approximate Weight: 3 lbs

Materials of Construction
Body: Chrome-Plated Brass Bar Stock
Gauges: Chrome-Plated Brass
Bonnet: Chrome-Plated Zinc
Filter: Nickel-Plated Sintered Bronze
Other Metal Parts Exposed to Gas:
  Brass and Stainless Steel
Seat and Seals: PTFE in Regulator
Diaphragm: Type 304 Stainless Steel
Outlet Valve:
   Body: Nickel-Plated Brass Bar Stock
   Seat: PCTFE
   Diaphragm: Type 316L Stainless Steel

Optional Equipment

Equipment Part No.
Relief Valves:  
for LABD-x-15 Series RV5573-25i
for LABD-x-50 Series RV5573-90i
for LABD-x-125 Series RV5573-150i
for LABD-x-250 Series RV5573-300i

Table I

Part No. Inlet Pressure   Delivery Pressure
Maximum
(psig)		 Gauge (dual scale)
(psig)		 (bar)
Range
(psig)		 Gauge (dual scale)
(psig)		 (bar)
LABD-3-15-(CGA) 3000 0-4000 0-275   2-15 -30" Hg-0-30 -1-0-2
LABD-3-50-(CGA) 3000 0-4000 0-275   4-50 -30" Hg-0-100 -1-0-7
LABD-3-125-(CGA) 3000 0-4000 0-275   10-125 -30" Hg-0-200 -1-0-14
LABD-3-250-(CGA) 3000 0-4000 0-275   20-250 0-400 0-27
               
LABD-2-15-(CGA) 800 0-1000 0-69   2-15 -30" Hg-0-30 -1-0-2
LABD-2-50-(CGA) 800 0-1000 0-69   4-50 -30" Hg-0-100 -1-0-7
LABD-2-125-(CGA) 800 0-1000 0-69   10-125 -30" Hg-0-200 -1-0-14
LABD-2-250-(CGA) 800 0-1000 0-69   20-250 0-400 0-27
               
LABD-1-15-(CGA) 300 0-400 0-27   2-15 -30" Hg-0-30 -1-0-2
LABD-1-50-(CGA) 300 0-400 0-27   4-50 -30" Hg-0-100 -1-0-7
LABD-1-125-(CGA) 300 0-400 0-27   10-125 -30" Hg-0-200 -1-0-14
LABD-1-250-(CGA) 300 0-400 0-27   20-250 0-400 0-27
Where "(CGA)" is indicated above, insert appropriate Compressed Gas Association connection number to complete the part number. Example: LABD-3-15-580. Order by complete part number.
 
 
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