Practical guides to vacuum equipment, product selection and the details that make an installation work.

Why does a turbomolecular pump need a backing pump?
Understand roughing and backing duties, gas throughput and the checks needed to pair a turbomolecular pump with a suitable backing pump.

Vacuum Pump Losing Pumping Speed or Slow to Pump Down?
A vacuum pump that pumps down slowly or has lost pumping speed usually has a leak, a blocked or undersized inlet line, contaminated oil, worn vanes, or an oversized chamber. Diagnosis guide.

Why Won’t My Vacuum Pump Start? Causes and Fixes
A vacuum pump that won’t start is usually a power or electrical fault, a tripped thermal overload, a seized pump from thick cold oil or corrosion, or a wiring/capacitor problem. Diagnosis guide.

Why Is My Vacuum Pump Overheating? Causes and Fixes
A vacuum pump overheats from poor ventilation, low or degraded oil, running against a leak, a blocked filter, high ambient temperature, or overload. Here’s how to diagnose each.

Pfeiffer Vacuum Pump Service & Spares Guide
Girovac services, repairs and sources spares for Pfeiffer vacuum pumps in the UK – Duo rotary vane, diaphragm and HiPace turbomolecular pumps. Workshop repairs & reconditioning.

DVP Vacuum Pump Service & Spares Guide
Girovac supplies, services and stocks spares for DVP rotary vane vacuum pumps in the UK – LC and RC series. LC 25: 25 m3/h, 0.5 mbar. Genuine SW60 oil and service kits.

Leybold TURBOVAC Turbomolecular Pump Guide
Leybold TURBOVAC i/iX turbomolecular pumps reach ultra-high vacuum (to 5×10^-10 mbar) at 90-1390 l/s. Girovac is an authorised Leybold distributor – supply, service & spares.

Leybold TRIVAC & SOGEVAC Rotary Vane Service Guide
Girovac supplies, services and reconditions Leybold TRIVAC (two-stage) and SOGEVAC (single-stage) oil-sealed rotary vane vacuum pumps in the UK. Genuine spares and oil.

Busch Vacuum Pump Service & Repair Guide
Girovac services, repairs and reconditions Busch vacuum pumps in the UK – R5 rotary vane, MINK claw and dry pumps. Genuine spares, workshop repairs. Guide + FAQ.

Edwards E2M & E2S Vacuum Pump Service Guide
Keep an Edwards E2M or E2S two-stage rotary vane pump at its 2×10^-3 mbar ultimate vacuum: change the Ultragrade oil when it darkens, use the gas ballast correctly, and service worn parts.

