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High Pressure Hydraulic Regulators

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Pressure Tech LF-690 Piston-Sensed Low-Flow Pressure Regulator With Ceramic Seat

LF-690

Low-Flow Hydraulic Pressure Regulator: Liquid / Piston / Ceramic Seat / Self- or Non-Venting / Max Inlet: 690bar (10,000psi) / Max Outlet: 690bar (10,000psi) / CV: 0.05, 0.1 or 0.3
* Basic Model
LF690
LF690
* Cv Value
0.1
0.1
0.05
* Body Material
316SS
316SS
* Outlet Range
0 to 50bar (0 to 725psi)
0 to 50bar (0 to 725psi)
0 to 100bar (0 to 1,450psi)
0 to 200bar (0 to 2,900psi)
0 to 414bar (0 to 6,000psi)
0 to 690bar (0 to 10,000psi)
0 to 140bar (0 to 2,030psi) - Air Actuated
0 to 600bar (0 to 8,700psi) - Air Actuated
* O Ring
NBR
NBR
FKM/FPM
HNBR
* Inlet / Outlet Connections
1/4" NPT
1/4" NPT
1/4" Medium Pressure
3/8" NPT
3/8" Medium Pressure
1/2" NPT
9/16" Medium Pressure
* Porting Configuration
11022000A 20001102A 10102000B 20001010B 10102010C 20101010C 22011010D 10102201D 22001010E 10102200E 20101000F 10002010F 10022000G 20001002G 10102020J 20201010J 10202020K 20201020K 10202000L 20001020L 11022201M 22011102M 10002000N 20001000N 11022020P 20201102P 11002001Q 20011100Q 11022010R 20101102R 22001000U 10002200U 22011000V 10002201V 00000000W 00000000W 10012000X 20001001X 11021020Y 10201102Y
In
Out
Off
* Venting Options
Self Venting
Self Venting
Non Venting
Part Order Number:
checkLF690 - 01 - S - 50S - N - 02N - A - SV
Pressure Tech LF-690 Piston-Sensed Low-Flow Pressure Regulator With Ceramic SeatPressure Tech LF-690 Piston-Sensed Low-Flow Pressure Regulator With Ceramic SeatPressure Tech LF-690 Piston-Sensed Low-Flow Pressure Regulator With Ceramic SeatPressure Tech LF-690 Piston-Sensed Low-Flow Pressure Regulator With Ceramic Seat
 
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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 LF-690...
The LF-690 is a piston-sensed low-flow reducing regulator with ceramic seating to provide the ultimate protection against the harsh service encountered on water-based hydraulic applications such as water glycol. For hydro-carbon applications, refer to HYD-691.

Its unique seating cartridge ensures the main valve is fully supported during operation to prevent ‘chattering’. The LF-690 is supplied with a segregated captured vent to prevent deterioration to the loading mechanism and making the regulator cleaner to service.

PLEASE CONTACT THE PRESSURE TECH OFFICE IF YOUR ORDER HAS ANY SPECIAL MODIFICATIONS OR REQUIREMENTS.
Accessories
Panel Mounting Ring: PT-C-061-003-RING
 
morePanel Mounting Ring: PT-C-061-003-RING
66mm Ø Panel Mounting Ring / Suitable for Bodies with 65mm Diameter / Used on LF-690, MF-414, LF-550, MF-300
  
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