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Back Pressure Regulators

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Pressure Tech BP-LF691 Low-Flow Piston-Sensed Back Pressure Regulator

BP-LF691

Low-Flow Back Pressure Regulator: Gas or Liquid / Piston / Max. Rating: 1,034bar (15,000psi) / Control Range: Up to 900bar (13,050psi) / Cv 0.1 or 0.02
* Basic Model
BP-LF691G (Gas)
BP-LF691G (Gas)
BP-LF691H (Liquid)
* Cv Value
0.1
0.1
0.02
* Body Material
316SS
316SS
17-4SS
* Control Range
5 to 600bar (75 to 8,700psi)
5 to 600bar (75 to 8,700psi)
5 to 690bar (75 to 10,000psi)
5 to 900bar (75 to 13,025psi)
* O Ring
NBR
NBR
FKM/FPM
* Inlet / Outlet Connections
1/4" MP
1/4" MP
1/4" NPT
3/8" MP
3/8" NPT
1/2" MP
1/2" NPT
* Porting Configuration
BL
Select Porting Configuration
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Part Order Number:
checkBPLF691G - 01 - S - 600S - N - 02A - BL
Pressure Tech BP-LF691 Low-Flow Piston-Sensed Back Pressure RegulatorPressure Tech BP-LF691 Low-Flow Piston-Sensed Back Pressure RegulatorPressure Tech BP-LF691 Low-Flow Piston-Sensed Back Pressure RegulatorPressure Tech BP-LF691 Low-Flow Piston-Sensed Back Pressure Regulator
 
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Shipping: Typical lead time: 6 working weeks
VIEW ACCESSORIESSee example of accessories typically ordered with this product.
 Product OverviewFeaturesSpecificationDownloads 
Overview
INTRODUCING THE BP-LF691...
The BP-LF691 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-LF691 accurately controls inlet pressure and vents excess pressure back via the threaded NPT or MP outlet port of up to ½".

PLEASE CONTACT THE PRESSURE TECH OFFICE IF YOUR ORDER HAS ANY SPECIAL MODIFICATIONS OR REQUIREMENTS.
Accessories
PT-C-061-006-RING Panel Mounting Ring
 
morePT-C-061-006-RING Panel Mounting Ring
Panel Mount Ring: Stainless Steel / Used on BP-MF400, BP-MF401, MF-400 and MF-401
  
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