Flowserve supplier in Romania
For Flowserve we quote SIHI LPH/LPHX vacuum pumps, CEH side channel pumps, ZTND thermal oil pumps and spare parts; we need the nameplate code, the pumped medium and the working pressures.
Who is Flowserve and what does it make?
Flowserve makes pumps, valves, mechanical seals and actuators for power, chemicals, oil and gas, water and general industry. The SIHI line, of German origin and dating from 1920, includes liquid ring vacuum pumps, side channel pumps and centrifugal process pumps. For a quotation, send us the nameplate code (for example LPH 85, CEH or ZTND), the serial number and the process data.
SIHI LPH and LPHX vacuum pumps have one or two stages and a rotor mounted between bearings. They compress gas almost isothermally, with no oil in the working chamber, and handle almost any gas or vapour, including with entrained liquid. The range reaches 10,350 m³/h, suction pressures down to 33 mbar absolute and temperatures up to 100 °C, with a service liquid of at most 60 °C, in sizes DN 40–DN 250. ATEX versions, NACE MR0175/MR0103 variants for sour media and a drain port for solids are available.
CEH-X/CEH side channel pumps have a segmented construction, open impellers and a first centrifugal stage that lowers the required NPSH (net positive suction head). They work with positive suction heads below 0.5 m and are used for liquefied gases, condensate, refrigerants, boiler feed water and LPG: up to 35 m³/h, 354 m of head and 40 bar in the casing. For thermal oil installations there are ZTND, ZTKD and ZTIC volute casing pumps, up to 350 °C, 1,000 m³/h and 90 m, built to EN 733 and ISO 2858.
What do we supply from the Flowserve range?
| Product | Description |
|---|---|
| SIHI LPH/LPHX liquid ring vacuum pumps | One- or two-stage vacuum pumps with the rotor between bearings, for process vacuum in chemicals, petrochemicals and steelmaking. Flows up to 10,350 m³/h, suction down to 33 mbar absolute, sizes DN 40–DN 250, various materials, ATEX versions and a drain port for solids. |
| SIHI CEH-X/CEH side channel pumps | Self-priming pumps in segmented construction, with a centrifugal stage at the inlet, for condensate, refrigerants, boiler feed water and LPG. Up to 35 m³/h, 354 m and 180 °C, in six sizes with up to eight stages, with mechanical seal, packing or magnetic coupling. |
| SIHI ZTND, ZTKD and ZTIC thermal oil pumps | Centrifugal volute casing pumps for thermal oil circuits up to 350 °C and PN 16, with flows up to 1,000 m³/h and heads up to 90 m. ZTN is the bare-shaft version and ZTK the close-coupled one; the seal is cooled by air fins. |
| Flowserve valves, mechanical seals and actuators | Besides pumps, the Flowserve range includes process valves, mechanical seals, actuators and services for power, water, chemicals, and oil and gas installations. For a specific item, send us the full code from the valve or the seal so that we can identify the model and the variant. |
Why Flowserve?
- Almost isothermal compression in LPH/LPHX pumps — gases and vapours with entrained liquid pass through the pump without internal lubrication
- ATEX versions and NACE MR0175/MR0103 variants — for flammable gases and sour media in refineries
- A centrifugal stage ahead of the side channel stages in CEH pumps — low NPSH for liquids close to vapour pressure
- Choice of sealing on CEH pumps — packing, mechanical seal or magnetic coupling, with grey cast iron, ductile iron or stainless steel casings
- ZTND/ZTKD/ZTIC pumps for thermal oil up to 350 °C, with triple seal protection and back-pull-out dismantling
Which Flowserve codes and series are requested most often?
| Code | Description |
|---|---|
| LPH | SIHI liquid ring vacuum pump, one or two stages |
| LPHX | SIHI liquid ring vacuum pump from the LPH-X range |
| LPH 85/95 | SIHI liquid ring vacuum pumps LPH 85 and LPH 95 |
| CEH | Side channel pump with a centrifugal stage at the inlet |
| CEH-X | SIHI side channel pump from the CEH-X/CEH series |
| ZTN | Volute casing pump, bare-shaft version |
| ZTK | Volute casing pump, close-coupled version |
| ZTND | Thermal oil pump up to 350 °C, bare shaft |
| ZTKD | Thermal oil pump up to 350 °C, close-coupled |
| ZTIC | Thermal oil pump up to 350 °C, from the ZT series |
Where is Flowserve equipment used?
- Chemicals and petrochemicals — process vacuum with LPH/LPHX pumps and transfer of liquids close to boiling point
- Oil and gas — vacuum pumps in ATEX or NACE-compliant versions for sour media
- Power — pumping of condensate and boiler feed water with CEH side channel pumps
- Thermal oil installations — circulation with ZTND/ZTKD pumps up to 350 °C
- Steelmaking and primary metals — process vacuum with liquid ring pumps
How do we supply Flowserve in Romania?
We can quote SIHI LPH/LPHX vacuum pumps, CEH-X/CEH side channel pumps, ZTND/ZTKD thermal oil pumps and spare parts for units already in operation: impellers, mechanical seals, bearings and gaskets. To choose correctly, send us the code and serial number from the nameplate, the gas or liquid handled, the suction and discharge pressure, the flow, the temperature and the service liquid, plus any ATEX requirement. Units are brought in to order through EU supply channels, usually in 1–4 weeks, and common parts can ship within 24–72 h when the item is available locally or at the supplier.
We check the availability of Flowserve SIHI pumps and parts on request, before quoting. Installation of vacuum units and their commissioning remain with your team or a local service centre; we quote the pumps and parts from the nameplate data and the process parameters.
Frequently asked questions about Flowserve
What equipment does the SIHI line from Flowserve include?
The SIHI line includes LPH and LPHX liquid ring vacuum pumps, CEH-X/CEH side channel pumps, centrifugal process pumps, and ZTND, ZTKD and ZTIC pumps for thermal oil. Vacuum pumps are used for process vacuum in chemicals and steelmaking, and side channel pumps for condensate, refrigerants and LPG.
How do I choose a SIHI liquid ring vacuum pump?
We start from the flow of gas to be drawn and the suction pressure required; the LPH/LPHX range goes down to 33 mbar absolute and reaches 10,350 m³/h. The gas handled, the amount of entrained vapour or liquid and the temperature of the service liquid, which must not exceed 60 °C, also matter. For flammable gases we choose the ATEX version.
Do you supply Flowserve SIHI pumps in Romania, and how quickly?
Yes. SIHI pumps and units are brought in to order, usually in 1–4 weeks. Common spare parts, such as seals and gaskets, can arrive in 24–72 h when the item is available locally or at the supplier. For pumps in special versions, depending on brand and specifications, the lead time may be longer.
Can I replace an older pump marked Sterling SIHI?
Yes, send us the pump nameplate, with the code and serial number, plus a photo of the connections. We check whether parts exist for the current model or whether a current LPH/LPHX or CEH-X model matches in flow, pressure, connections and foundation. Without the nameplate we need at least the process parameters and the mounting dimensions.
What data should I send for a quotation on a CEH side channel pump?
Send the liquid pumped and its vapour pressure, the flow, the head, the temperature and the suction head available. CEH pumps reach 35 m³/h, 354 m and 40 bar in the casing. Tell us also which seal you prefer: packing, mechanical seal or magnetic coupling, which matters for LPG and refrigerants.
How do I request a Flowserve quotation?
Send the Flowserve code from the nameplate and the quantity; we reply in English with availability and the lead time written in the quotation.
Request a quoteUpdated: 12 November 2026 · Sources: Flowserve (manufacturer documentation)