BP-LF690

Low-Flow Back Pressure Regulator: Gas or Liquid / Piston / Max. Rating: 550 bar (7,975 psi) / Control Range: Up to 414 bar (6,000 psi) / Cv 0.1, 0.02 or 0.06

Product Overview BP-LF690

The BP-LF690 is a piston-sensed low-flow back pressure regulator for gas or liquid applications. The gas version includes a thermoplastic seat, whilst the liquid version features metal-to-metal seating. In addition to Stainless Steel, it is available in a range of materials including Titanium, Vespel® and Hastelloy®.

The BP-LF690 accurately controls inlet pressure and vents excess pressure back via the threaded 1/2" NPT / BSP or 9/16" MP outlet port.

BP-LF690 Features

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)

BP-LF690 Specifications

Maximum Rated Inlet Pressure: 550 bar (7,975 psi)
Outlet Ranges: Up to 414 bar (6,000 psi)
Design Proof Pressure: 150% max. working pressure
Seat Leakage: In accordance with ANSI/FCI 70-3
Weight: 2.9kg (6.4lbs)