Spare Parts & Service Items for Liquid Ring Pumps

Wearing and service parts for liquid ring vacuum pumps — OEM or dimension-equivalent, checked against your model.

Tell us the original pump brand and model (or send a nameplate photo). We reply with the matching part, or a dimension-checked equivalent, and the drawing.

ImpellerDistribution / port discCasing & cover gasketsMechanical seal (single / double)Packing & stuffing boxShaft sleeveSeparator & internal circulation kitBelt & pulley setsCouplings

Fits Nash 2BE1/2BE3/2BE4, 2BV2/2BV5/2BV6, NEV2, AT/TC and CL machines. (SIHI-format machines: tell us the model and we confirm compatibility.)

We can supply OEM items on our authorized channel or equivalent spares. If the drawing doesn't match, we don't quote.

Spare parts catalogue

Replacement intervals below are typical service life under normal duty — actual life depends on liquid quality, gas load, running hours and how much liquid or solids the pump carries over. Send the pump model and serial (or a nameplate photo) and we confirm the part against the original drawing.

Part	Class	Typical interval	Material options	Applies to
Impeller	Wear part	2–5 years	HT250 gray iron/304/316/316L/duplex 2205/bronze	All liquid ring pumps
Pump casing	Semi-wear	5–10 years	HT250 gray iron/304/316/duplex 2205	All liquid ring pumps
Head / Cover	Semi-wear	5–10 years	HT250 gray iron/304/316	All liquid ring pumps
Port plate	Wear part	2–4 years	HT250 gray iron/304/316	Flat-disc port types (2BE/2BV)
Cone	Wear part	2–4 years	HT250 gray iron/304/316	Cone types (AT/TC/CL)
Mechanical seal	Wear part	1–2 years	silicon carbide/tungsten carbide + FKM/FFKM	All models
Gland packing	Wear part	6–12 months	graphite/PTFE/aramid	All models
Bearing	Wear part	2–3 years	SKF/NSK/equivalent brands	All models
Shaft	Semi-wear	8+ years	C45 steel/304/316/duplex	All models
Shaft sleeve	Wear part	2–4 years	304/316/ceramic-coated	All models
Coupling	Semi-wear	5 years	cast iron + elastomer	All models
Coupling element	Wear part	1–2 years	NBR/polyurethane	All models
Gasket set	Wear part	Every overhaul	asbestos-free/PTFE/NBR	All models
O-ring kit	Wear part	Every overhaul	NBR/EPDM/FKM/FFKM	All models
Moisture separator	Semi-wear	8+ years	carbon steel/304/316	SEP
Check valve	Wear part	3–5 years	cast iron/stainless steel	All models
Repair kit	Kit	Every overhaul	mechanical seal + bearing + gasket set + O-ring kit	All models
Roots rotor	Semi-wear	5–8 years	cast iron/304, coated	JZJ
Timing gear	Semi-wear	8+ years	alloy steel	JZJ
Interstage piping	Semi-wear	8+ years	carbon steel/304	JZJ
Bypass valve	Wear part	3–5 years	cast iron/stainless steel	JZJ
Silencer	Semi-wear	5 years	carbon steel + acoustic insulation	JZJ

Part numbers we have supplied

Taken from our own supply records. If you have a part number off an old order or a parts list, send it as it is written — we match it back to the pump.

Part number	Item	Fits
048V	Port plate	2BV6110, 2BV6131
0304003026000	Shaft seal	2BV2071
0304059829000	Axial shaft seal, NBR	2BV2070, 2BV2071
302071701000	Cover gasket	2BV2070, 2BV2071
8692000071000	Repair kit	2BV7070, 2BV7071
2BV61100ZC007P	V-ring	2BV6110
2BV61310ZC007P	V-ring	2BV6131
PK-3499	Packing set (rings pos.1, p.5-15)	TC11
SK0060	Elbow	SK
SK0061	Elbow	SK
SK0062	Elbow	SK
SK0065	Tee	SK
SK0066	Tee	SK
SK0069	Cross	SK

Parts for a specific model

Each model page lists the wear parts we supply for that frame with typical service life. Type your model number into the selector to open its page, or start from the family:

Search by model number2BE1 Series Water Ring Vacuum Pumps 2BV Series Liquid Ring Vacuum Pumps NEV2 Series Liquid Ring Vacuum Pumps AT / ATTC Two-Stage Cone Type Pumps TC Series Two-Stage Cone Type Pumps CL / CLA Series Liquid Ring Pumps 2BE3 / 2BE4 Large Liquid Ring Pumps & Compressors Premier 2620 (2BE31200 class) Two-Stage Cone

Order parts for your model → Request a Quote Datasheets