CM valve The high-performance ring valve designed specifically for high-pressure applications

A new valve concept designed by

HOERBIGER for use where others fail

In order to achieve best-possible

levels of efficiency, HOERBIGER has

maximised the number of rings for each

size of valve. This increases capacity,

whilst delivering considerable energy-

saving potential.

In order to achieve maximum resistance

to wear and longer servicing intervals

at high pressures and fast speeds, an

extremely impact-resistant material of

the HOERBIGER non-metallic grades is

used for the rings. The rings are aligned

precisely by guides integrated into the

valve seat.

A synchronisation plate and separator

permit the use of heavy-duty springs,

whilst ensuring the even distribution of

spring pressure.

The natural-gas sector requires compressors with greater efficiency and reliability

How can capacity be increased in existing compressor unitsas well

as improving efficiency and reliability?

Higher capacity is achieved by

� Using more efficient valves

� Replacing cylinders

� Higher compressor speeds

High speeds mean

� Extreme wear of sealing elements

� Lower valve service-life

Greater efficiency means

� Lower energy consumption

This demands valve solutions that meet

these conditions and ensure fewer

pressure losses.

This is why HOERBIGER has developed

a new valve concept.

CM valve from HOERBIGER: The definitive solution for high-pressure applications involving large flow quantities

Steel plate to prevent wear to the rings on the synchronisation plate

Valve rings guided directly in the seat

Spring geometry and spring nest designed to ensure maximum dynamic reliability

Guard profile to prevent oil adherence

Rings made of carbon-fibre-reinforced HTCX material for maximum impact resistance

Synchronisation plate made of well proven HP material

A large flow cross-section, optimised seat-geometry adapted to the narrow rings and the use of extremely robust

materials all help to make the CM valve the most efficient and reliable valve for use in high-pressure applications.

*also available with

self-locking nut

The advantages of the CM valve at a glance

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www.hoerbiger.com

HOERBIGER Compression Technology is a business unit of HOERBIGER Holding AG, Zug / Switzerland. HOERBIGER is active

throughout the world as a leading player in the fields of compression technology, automation technology and drive technology.

In 2011, its 6,826 employees achieved sales of 1,048 billion Euro. The focal points of its business activities include key

components and services for compressors, gas engines and turbomachines, hydraulic systems and piezo technology for vehicles

and machine tools, as well as components and systems for shift and clutch operations in vehicle drive trains of all kinds.

Through innovations in attractive technological niche markets, the HOERBIGER Group sets standards and delivers cutting-edge

solutions for the benefit of its customers.

This product brochure contains product specifications based on research and development on the one hand and on manufacturing on the other. Dependent on place of installation, operating

conditions and specifications, several parameters of the described product may change. Thus, HOERBIGER assumes no liability or warranty for the accuracy and completeness of the

information covered in this brochure.

� High efficiency due to optimised flow conduits

� Energy savings due to increased efficiency

� Highest service life and long maintenance intervals, due to rings

made of carbon-fibre-reinforced HTCX material

� Longer operating life due to robust springs

� Longer operating life due to ring guides integrated into valve seats

� Longer operating life due to synchronisation plate and separator

� Easy retrofitting to any type of compressor

� Designed especially for fast-running compressors

Application areas (Examples)

� Natural gas

- Gas storage

- Gas lift / Re-injection

Technical specifications

Temperature range -50° C / 230° C

Max. discharge pressure 300 bar

Max. differential pressure 200 bar

Max. compressor speed 2000 1/min

Valve type diameter 72 - 192 mm

Valve lift range 0,75 / 2,5 mm

Lube and non-lube

Control Suitable for finger unloaders