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US VACUUM
Liquid Ring Vacuum Pumps

LRV/FC SERIES  125-350 cfm Vacuum: 25 Torr (29" Hg)
 

US VACUUM LRV/FC pumps are single stage large capacity liquid ring vacuum pumps capable of producing a vacuum to 29" Hg . A continuous supply of service liquid, usually water, is required by the pump to carry away the heat of compression and to maintain the liquid ring as some of the service liquid is discharged with the gas through the pump discharge port.

Various materials of construction are available for the pump to meet almost all gas compositions. Standard construction is Cast iron casing w/ 304 stainless steel impeller. All 316 stainless steel is also available.

Pumps are provided with threaded connections for service liquid, pump draining and vacuum relief valve. Optional items include inlet check valve, vacuum relief valve, flow control, solenoid valve, vacuum and temperature gauges.

Various seal liquids may be used depending on the application. Call US Vacuum for assistance.
 

FEATURES

  • Maintenance free
  • Virtually vibration free
  • Efficient Single Stage Design
  • Almost all gases & vapors can be pumped
  • The gases being pumped can be saturated with vapor
  • Compression of the gases being pumped is nearly isothermal
usvp_lr_062308

VACUUM TO 29" Hg
 

lrvc1

DATASHEET1

manual2

TECHNICAL DATA

PUMP TYPE

LRV125

LRV200

LRV275

LRV350

Nominal Capacity (@ 25" Hg)

CFM

125

200

275

350

Speed

RPM

1800

1800

1800

1200

Motor-Installed power

HP

7.5

15

20

25

Drive

 

DIRECT

DIRECT

DIRECT

DIRECT

Average service liquid flow *

GPM

4

5

8

11

Seal Fluid connection

Inches

3/8"

3/8"

3/8"

3/8"

Inlet/Outlet connection

ANSI Flg

2"

2.5"

2.5"

3"

Maximum Vacuum

Torr

25 TORR (29" Hg)

Weight (Pump only)

Lbs

326

485

690

937

* Average service liquid flow operating at 25" Hg

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