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)
Design Proof pressure
1,034 bar (15,000 psi)
Up to 900 bar (13,050 psi)
150% max. working pressure
In accordance with ANSI/FCI 70-3
PT-C-061-003-RING & PT-C-061-003-001-RING Panel Mount Ring: Stainless Steel or Aluminium / Suitable for Bodies with 65mm Diameter / Used on BP-LF550, BP-LF690, BP-MF690 (05), BP-MF690 (15), LF-690, LF-691, LF-692 and MF-414