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US VACUUM

Liquid Ring Vacuum Pumps

LRV/FC SERIES  330-800 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/ Ductile iron impeller or 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

 
LRV_FC_0608

VACUUM TO 29" Hg
 
lrvc1
DATASHEET1
manual2

TECHNICAL DATA

PUMP TYPE

LRV300

LRV400

LRV500

LRV700

LRV800

Nominal Capacity (@ 25" Hg)

CFM

330

420

500

735

800

Speed

RPM

790

980

1170

1170

1300

Motor-Installed power

HP

25

30

40

60

75

Drive

 

BELT

BELT

DIRECT

DIRECT

BELT

Average service liquid flow *

GPM

7.5

9

11

14

15

Seal Fluid connection

Inches

1" NPT

Inlet/Outlet connection

Inches

5" ANSI

Maximum Vacuum

Torr

25 TORR (29" Hg)

Weight (Pump & Motor)

Lbs

1870

2035

2100

2400

2550
  • Seal fluid rate is based on partial water recirculation (50%).
  • Partial water recovery is accomplished via special porting inside the vacuum pump
     
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