Pompetravaini · Travaini TRHB/C Series liquid ring vacuum pumps

TRHB/C (series)

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Liquid RingOEM data

*Photo shows the TRH series, not necessarily this exact model. Image: Pompetravaini

Pumping speed^S: 850 m³/h
Max. pressure^S: 1.4 bar

Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.

Technical data

Source: Pompetravaini product page · retrieved 2026-10-05

As published	suction range 250-900 mbar	bar G
Max flow Pumping speed	500 CFM^S oem source Source · 2026-10-05
Max pressure Max. pressure		1.4 bar^S oem source Source · 2026-10-05

Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.

^S stated once for the whole series by the manufacturer

Reviewed operating performance · 60 Hz

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Documents

Disassembly Manualmanual · 34 pp
Operating Manualmanual · 27 pp
Arrangement Drawingother · 12 pp
Arrangement Drawingother · 8 pp
Arrangement Drawingother · 6 pp
Arrangement Drawingother · 12 pp
Sectional Drawingother · 4 pp
Sectional Drawingother · 4 pp
Sectional Drawingother · 3 pp
Sectional Drawingother · 3 pp
Sectional Drawingother · 3 pp
Specificationother · 1 pp
Specificationother · 1 pp
Specificationother · 1 pp
Specificationother · 1 pp

Documents open on the manufacturer’s site.

Service parts · 22

Rotating parts3

Seals and gaskets1

Installation instructions................................................................. 12 Mechanical seals..................................................13.2

Housing and covers2

Fittings and hardware2

Valves1

Port plates set Flat valve400.9

Other parts13

Part numbers from Pompetravaini’s parts lists, shop and instruction manuals. Open a part for its other models, replacements and suppliers.

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Parts diagrams

Exploded views from Pompetravaini’s own documents, with each position and part number as printed. Select a part to see what it fits, who sells it and what replaces it.

Exploded view · Disassembly Manual, page 154 positions

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Pos.	Part number	Description	Qty
	400.9	Port plates set Flat valve
	461.1	Bearing spacer ring set Gland packing
	904.1	Impeller set Grub screw
	39.2	Suction casing
	63.7	Pipe
	176.5	Shaft

Positions and part numbers as printed in Pompetravaini’s Disassembly Manual, page 15 · view the source document

Exploded view · Operating Manual, page 1720 positions

The positions on this drawing haven’t been placed yet: choose a position in the list for its part. Drag to move, pinch or Ctrl + scroll to zoom.

Select a part on the drawing or in the list to see its number, what it fits and where to get it. Turn on “select several” to build one quote for many parts.

Select several

Pos.	Part number	Description	Qty
	9.10	Safety instructions........................................................................ Typical installation schematics for compressors .................. 1
	9.11	In case of emergency.................................................................... Connections location...................................................
	9.12	Basic first aid .................................................................... Pump engineering data......................................................
	11.1	Service liquid properties .................................................... Start-up of “WATER SEALED” system .................................. 26
	11.2	Pump models and tables for material of construction........... Operation of “WATER SEALED” system ................................ 26
	11.3	Uncrating, lifting and moving instructions ....................................... Shut down of “WATER SEALED” system............................... 27
	11.4	Storage instructions...................................................................... Start-up of “OIL SEALED (DynaSeal™)” systems .................. 27
	11.5	Mounting and alignment instructions.............................................. Operation of “OIL SEALED (DynaSeal™)” systems................ 27
	11.6	Assembly of base mounted pump unit................................. Shut down of “OILSEALED (DynaSeal™)” systems................ 28
	13.1	Electrical connections ................................................................... 11 Bearings..........................................................
	13.2	Installation instructions................................................................. 12 Mechanical seals..................................................
	17.2	Installation schematics for compressors ............................. 15 Service liquid temperature change across the pump ............ 37
	17.3	Installation of “WATER SEALED” systems ............................ 15 Operation with partial recovery of service liquid................... 38
	17.4	Installation of “OIL SEALED (DynaSeal™)” systems.............. 15 Units conversion table........................................................ 39
	2 to 2.50	required is:
	2 to 2.50	required is:
	2 to 2.50	required is:
	3 to 3.75	heating, flushing, draining, etc.
	3 to 3.75	heating, flushing, draining, etc.
	3 to 3.75	heating, flushing, draining, etc.

Positions and part numbers as printed in Pompetravaini’s Operating Manual, page 17 · view the source document