Diving Pressure Regulators

LF540

Low-Flow Pressure Regulator: Gas or Liquid / Piston / Self- or Non-Venting / Max. Inlet: 690 bar (10,000 psi) / Max. Outlet: 414 bar (6,000 psi) / Cv 0.1

* Basic Model LF540 LF540	* Cv Value 0.1 0.1 0.3 (max. inlet 300 bar / 4,350 psi and non-venting only) 0.05
* Body Material 316/316L Stainless Steel 316/316L Stainless Steel HT Brass	* Outlet Range Up to 50 bar (725 psi) Up to 50 bar (725 psi) Up to 100 bar (1,450 psi) Up to 140 bar (2,030 psi) - Air-Loaded Up to 200 bar (2,900 psi) Up to 414 bar (6,000 psi)
* O Ring NBR NBR FKM/FPM EPDM	* Inlet / Outlet Connections 1/4" BSPP 1/4" BSPP 1/4" NPT 3/8" BSPP 3/8" NPT
* 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 11022001R 20011102R 11022010R3 20101102R3 22001000U 10002200U 22011000V 10002201V 00000000W 00000000W 10012000X 20001001X 11021020Y 10201102Y In Out Off
* Venting Options Non-Venting Non-Venting Self-Venting (not available with Cv 0.3)

Part Order Number:

LF540 - 01 - S - 50S - N - 02B - A - NV

PRICE & LEAD TIME: Submit online enquiry or contact the Pressure Tech Sales team:
	Phone: +44 (0)1457 899307 Email: sales@pressure-tech.com	ONLINE ENQUIRY

VIEW ACCESSORIES

See example of accessories typically ordered with this product.

INTRODUCING THE LF540...
The LF540 is a compact and economical piston-sensed, low-flow regulator with precision machined sensing elements to allow fine pressure control up to 414 bar (6,000 psi).

Its load bearings and large handwheel offer low torque adjustment, and the LF540 can be supplied as non-venting or self-venting, non-captured (on gas only). Please note: Cv 0.3 is only available as non-venting.

PLEASE CONTACT THE PRESSURE TECH OFFICE IF YOUR ORDER REQUIRES ANY SPECIAL MODIFICATIONS OR REQUIREMENTS.

APPLICATIONS:
• Test and calibration systems
• Aircraft charging carts
• Valve Actuator Systems
• Gas Cylinder Regulator Assemblies

FEATURES:
• Piston-sensing element
• Precision-machined sensing element
• Compact design
• Self-venting or non-venting

Max. Rated Inlet Pressure
Outlet Ranges
Design Proof Pressure
Leakage
Weight

690 bar (10,000 psi)
Up to 414 bar (6,000 psi)
150% max. working pressure
In accordance with ANSI/FCI 70-3
2.3kg (5lbs)

Datasheets:	LF540 (English)
Service Instructions:	LF540 (English)
Step File:	LF540-03-S-200S-N-02N-N-NV
GA Drawing:	LF540-03-S-140S-N-04N-C-NV-034
Other:	Flyer: Diving Regulators Overview Flyer: A Breath of Fresh Air for the Diving Market Flyer: Brass Regulators for Diving & Life Support

Accessories

Pressure Gauges
63mm Stainless Steel, Dual Scale Gauge, Full Safety Pattern. 1/4"NPTM Lower Entry. Blowout back

PT-C-061-005-RING & PT-C-061-005-001-RING
Panel Mount Ring: Stainless Steel or Aluminium / Suitable for Bodies with 55mm Diameter / Used on BP-LF540, HYD691, LF540, LGC690, MF210 and MF301

Diving Pressure Regulators

LF540

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