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Edwards In-Line Valves for Vacuum Systems

Edwards In-line valves have their inlet and outlet aligned along the same axis, which means the flow path remains straight when the valve is in an open position.

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Product features

  • Application-matched vacuum technology → supports stable process pressure and reliable operation
  • Multiple configurations → enables selection around gas load, vacuum level and installation constraints
  • Edwards system integration options → simplify specification of complete vacuum solutions
  • Serviceable construction → supports planned maintenance and lifecycle control
  • Genuine spare-parts support → helps reduce unplanned downtime risk
  • Industrial-duty construction → supports repeatable operation under sustained loads
  • Verified technical documentation → enables model selection against actual process requirements
  • AxFlow product-selection support → helps align pump, controls and accessories with the application
  • Maintenance and service support → helps protect process continuity over the equipment lifecycle
  • Application-specific configuration → helps avoid oversizing, undersizing and unnecessary operating cost

Product description

In-line valves come in various sizes and designs, including manual, solenoid or pneumatic, which will be determined by your system design and the facilities that are available to the machine.  

The choice between angle and in-line types of valves depends on the specific requirements of the vacuum system and the available space for installation.

IBV ISO-KF Ball Valve

Ball valves are popular in applications where fast action and full bore pumping are needed. Our IBV series valves combine these practical everyday features plus ease of use and economy in a high specification design. Manufactured in 316L stainless steel with PTFE seats they deliver robust performance in a wide variety of vacuum duties.

Speedivalves

SP Speedivalves are diaphragm sealed in‑line, isolation valves. The construction consists essentially of a flexible elastomeric diaphragm which is sealed onto a lightly polished seat by a screw thread mechanism. The mechanism is isolated from the system by the diaphragm resulting in an extremely rugged and ‘dirty’ system tolerant valve. The valve terminates in NW flanges and can be pipeline supported or panel mounted.

IPVMK manual operation in-line isolation valves

The IPVMK is a quick acting, bellows sealed, right‑angled lever operated valve and is available with either an Aluminium or stainless steel body. The lever, connected to a self lubricating plastic cam‑piston, actuates the valve stem and valve plate through PTFE bearings. The valve plate O‑ring groove is vented to prevent gas bursts. The valves are designed to operate down to 10‑ 9 mbar/ 8 x 10‑10 Torr and up to a pressure of 2100 mbar/1575 Torr (30 psi).

IPVPL pneumatic operation in-line isolation valves

The IPVPK range of in‑line single acting cylinder, spring return pipeline valves are designed for high-speed actuation from standard pneumatic lines, and are offered in sizes NW16, 25, 40 and 50. They are available with aluminium or stainless steel bodies with either O‑ring (shaft seal, aluminium only) or bellows sealed. The valves are designed for long life duties, with a MTTF of 5,000,000 cycles for both bellows and O-ring sealed versions providing long intervals between services.

IPVEK solenoid operation in-line isolation valves

The IPVEK series valves are compact, light‑weight electromagnetic vacuum valves suitable for use in vacuum pipeline systems down to 1 x 10‑9 mbar. A double wound coil combined with an electronic switching circuit ensures low energy consumption, low operating temperatures and extended operating life. Bellows sealed, the IPVEK solenoid operated in‑line valves are available with either aluminium (A) or stainless steel (S) bodies, with an overall MTTF of up to 500,000 cycles.

SIPVP soft-start isolation valves

Soft‑start, pneumatically operated, in‑line valves with interchangeable orifices for the controlled pump‑down of processes where turbulent flow can cause problems with particulate contamination. Slave and master valve combination allows slow initial pumping to minimise disturbance. Both slave and master valves require separate pneumatic connections.


Edwards In-Line Valves is used for vakuumo vamzdynų izoliavimui, kai reikia tiesaus srauto kelio. It should be selected around the required vacuum level, gas load and process conditions. The exact configuration depends on the application.
Edwards In-Line Valves is based on vienoje ašyje išdėstyti įėjimo ir išėjimo prievadai bei rankinio, pneumatinio arba solenoidinio valdymo variantai. This technology creates or supports the vacuum required by the process. Performance must be checked against the selected model and operating point.
Check pumping speed, working and ultimate pressure, gas composition, temperature, cooling and connections. Verified product information includes IPVPK pneumatinės versijos nurodomos iki 5 000 000 ciklų MTTF; kai kurie IPVMK variantai skirti iki 10⁻⁹ mbar. AxFlow can help compare these requirements with the available Edwards configurations.
Maintenance depends on the technology, operating hours and process contamination. Follow Edwards service instructions and use the correct consumables and spare parts. Preventive maintenance helps reduce unplanned downtime.
AxFlow can support product selection for Edwards In-Line Valves and help identify the appropriate configuration. AxFlow also provides service and spare-parts support for installed equipment. Contact AxFlow for availability and a quote.
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