Pigging Valves
PV3 & PV4
PIGGING VALVES
PV3 & PV4
General Information
Sizes ranging from 3” – 12”, Multiple End Configurations Including ANSI CL150 – CL1500 and API 6A.
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Detailed Specs
PV3 Floating By-Pass Design
Compact body style for bolting between line flanges
During pig loading and retrieving, by-pass design permits minimum of 72 percent of product flow, depending on pipe schedule
No additional tools required for removing or replacing entry plug
Vent/bleeder valve permits the relieving of pressure from the entry pig chamber for safety before removing entry plug
Equalizer valve opens to pressurize entry pig chamber to create low torque operation
Pig launching and removal is performed easily and safely
Back-seated stem prevents blowout
Stem lubrication fitting standard
Locking plates standard
Pig receiver in the ball contains pig stop plate rigidly positioned to stop pig
In-line field repairable
Materials comply with options available for many requirements
NACE MR0175 Latest Edition
Pig entry plug color coded for proper field installation “green” for launching valves “red” for receiving valves
Designed to use spherical style pigs
PV4 Positive Shut-Off Trunnion Design
Trunnion mounted ball for reduced operating torque
No additional tools required for removing or replacing entry plug
Optional body cavity pressure indicator for additional safety
Design is more compact and lighter weight than competitive pigging valves resulting in lower costs
Double block and bleed design
May be used as a positive shut-off flowline valve
NACE MR0175 Latest Edition
Can accommodate bullet and spherical style pigs
Stem lubrication capability standard
Materials available for most media requirements
Pig entry plug color coded for proper field installation. “Green” for launching valves. “Red” for receiving valves
