INTRODUCING THE
BP-LF691...
The BP-LF691 is a piston-sensed low-flow back pressure regulator for gas or
liquid applications. As standard, the gas version includes a PEEK™ seat, whilst
the liquid version features 316SS seating. Alternatively, other seats are
available to suit your application including Titanium, Vespel® and Hastelloy®.
The BP-LF691 accurately controls inlet pressure and vents excess pressure back
via the threaded 1/2" NPT / BSP or 9/16" MP outlet port.
PLEASE CONTACT THE PRESSURE TECH OFFICE IF YOUR ORDER HAS ANY SPECIAL
MODIFICATIONS OR REQUIREMENTS.
APPLICATIONS:
• Chemical injection systems
• Valve test rigs
• Liquid sampling
• Supercritical liquid
FEATURES:
• Piston-sensing element
• Range of seat materials
• Optional air actuator
• Low Cv (0.02)
Max. Rated
Control Range
Design Proof pressure
Seat Leakage
Weight
1,034 bar (15,000 psi)
Up to 900 bar (13,050 psi)
150% max. working pressure
In accordance with ANSI/FCI 70-3
2.9kg (6.4lbs)
