Pigging Valves

PV3 & PV4 – Sizes ranging from 3” – 12”, Multiple End Configurations Including ANSI CL150 – CL1500 and API 6A.

PV3 Floating By-Pass Design

The compact body style for bolting between line flanges
During pig loading and retrieving, the by-pass design permits a minimum of 72 percent of product flow, depending on the pipe schedule
No additional tools required for removing or replacing the 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
The Pig receiver in the ball contains a pig stop plate rigidly positioned to stop the pig
The lower seat is spring energized to initial seal
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 the entry plug
Optional body cavity pressure indicator for additional safety
Body cavity venting for safety
Design is more compact and lighter weight than competitive pigging valves resulting in lower costs
Double block and bleed design
It 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