CP-2GM (Sampling)

Constant Pressure Sample Cylinder

The Welker® CP-2GM Constant Pressure Sample Cylinder is recognized for its versatile abilities to safely transport a sample in original pipeline condition and provide a uniform mix using the internal Gravity Mixer™ prior to lab analysis.


Proven Safety

Proven safety allows user to control and monitor pressure at all times.



Gravity Mixer™

Internal Gravity Mixer™ provides a proper sample mix for accurate lab analysis.



Cylinder Design

Product and pre-charge sides with floating piston. Pre-charging the back side of the piston protects against phase change.


CP-2GM (Sampling)

Materials of Construction 316/316L Stainless Steel
Seal Material Viton®
Sample Inlet Connections 1/4" FNPT
Sample Outlet Connections 1/4" FNPT
Cylinder Volume 500 cc
Cylinder Mixer Type Gravity Mixer™
Cylinder Accessories Rupture Disc, Reliefs, Valves, and Gauges
Operating Pressure 1800 psig MAOP @ -20 °F to 120 °F
Transport Approvals DOT
Transport Canada*
Industry Standards Complies with API 8.1, API 14.1, ASTM D1265, ASTM D3700, ASTM D4057, GPA 2166, GPA 2174, ISO 3170, ISO 4257, and ISO 10715