Constant Pressure Sample Cylinders

Instrumentation

Constant Pressure Sample Cylinders

- Ideal for transport of two-phase gas samples, natural gas, and
   specialty gas products
- Combines excellent vortex mixing action and compact overall length
- Capacities of 100cc, 150cc, 300cc. 500cc, 800cc. and 1000 cc
   available D.O.T. approved, exemption number E-7657
- Constant pressure design inhibits retrograde condensation
- Fluorescent sliding magnet indicator provides highly visible indication
   of sample volume collected
- 316 stainless steel construction
- 1,800 psig maximum working pressure
- Available with valves, reliefs, and gauges (model CP-2GM shown
   above)
- 1/4" NPT ports standard, other sizes available

Welker Engineering Company manufactures a variety of constant pressure cylinder designs with a wide range of working pressures and capacities. Call for more information on constant pressure cylinders designed to your specifications.

Probe
SP-2 Standard Probe

- Permanently fixed probe (specify length desired)
- 316 stainless steel construction
- 1/2'', 3/4", or 1" NPT pipeline connection standard. other
sizes available
- Complete with large port outlet valve
- Available without outlet valve (model SP-1)
- 1/4" NPT outlet standard. other sizes available

AP-3 Adjustable Probe

- Adjustable probe length (specifymaximum length
  desired. insertion length permanently determined
  upon initial installation)
- May be manually inserted against line pressures
   up to 1,000 psig
- Easily retracted to allow passage of pigs or other
   pipeline equipment
- 316 stainless steel construction
- 1/2", 3/4", or 1" NPT pipeline connection standard,
   other sizes available
- Complete with large port outlet valve
- 1/4" NPT ports standard, other sizes available

Standard Sample Cylinders

- Choice of 13 different capacities from 10 ml to 4 gallons
- 1/8", 1/4'', 3/3'', or 1/2'' NPT end connections available
- Die formed from seamless drawn 304 stainless steel. 316 stainless
steel, or Monel tubing
- Precision spinning operation eliminates internal pockets
- All models are internally sandblasted and solvent washed to smooth
surface imperfections and remove foreign particles
- Available as single or double ended in most capacities
- 1,800 psig maximum working pressure
- Conform to Department of Transportation regulations

Cylinder Carrying Case

- Durable fiberglass construction
- Thick polyurethane foam lining
- Accommodates cylinder complete with valves, reliefs, and gauges
- Conforms to D.O.T requirements
- All stainless steel hardware
- Manufactured to UN specifications

AIP-1 Automatic Insertion Probe

- Automatic insertion feature utilizes pipeline
  pressure to automatically insert the probe
  into a pressurized line
- Automatic retraction from a pressurized
  line allows the passage of pigs or other
  pipeline equipment
- May be retracted and completely removed
  from a pressurized line with the use of an
  isolation valve
- 316 stainless steel construction
- 1" NPT pipeline connection standard, other
  sizes available
- Complete with large ported outlet valve
- 1/4" NPT ports standard, other sizes available
- 1,440 psig maximum working pressure
- Higher Pressures available upon request