Cryogenic Control ValvesDown to 1.2 K (-272°C or -457°F)

Located in Lyon - France, in a modern 160 000 sq.ft.(16 000 m2) plant, VELAN SAS is a 100% subsidiaryof VELAN inc group (Canada).

VELAN SAS is specialised in design and manufactureof high performance valves for Nuclear andCr yogen ic applications.

VELAN SAS has strong design,research & developmentcapabilities to keep valves onthe cutting edge of technolo-gy in the field of NuclearPower and cryogenics.Our research laboratory isequipped with advancedfacilities such as steam testloop, Cv loop, cryogenictest benches and CAD-FEMsoftware.

With 30 years of experience in thesupply of valves for criticalapplications, VELAN SAShas a comprehensive QualityManagement system including the following certifications:" ISO 9001 (edition 2008)" ISO 14001 (edition 2004)" OHSAS 18001 (edition 2007)

VELAN SAS has a fully integrated maintenance and servi-ces department able to carry out on-site servicing world-wide, that gives us a continuous feedback experience toimprove valve performances. The Maintenance & Customer Services departmentgathers all competences to handle large turnkey mainte-nance operation or specific on-site services in severeenvironments.

VELAN inc is one of the world's leading independentmanufacturer of steel gate, globe, check, butterfly andball valves. Founded in 1949 in Montreal - Canada,VELAN inc employs over 2 000 people and is locatedworldwide with 14 specialized manufacturing plantsin Canada, USA, France, Portugal, Germany, UK,South Korea, Taiwan, China.

High performance production equipment such asCNC machining centers, plasma hard facing stations,3D measuring machine, clean assembly room, ena-bles us to provide to our customers a constant highlevel of quality.

VELAN SAS products are available worldwidethrough the sales network of VELAN inc group.

Quality Assurance

Maintenance & Customer Services

VELAN S.A.S

Worldwide Sales Network

High Performance Production Equipment

Design & Technology

The Key to Cryogenic Valve Solutions

VELAN Inc Group

Cryogenic Control Valves

Service range

• Temperature: down to 1.2 K (-272°C or -457°F)• Size: DN 6 to DN 200 (1/4" to 8")• CV: 0.01 (DN 6) to 1000 (DN 200)• Rating: up to class 300• Standard connections: Butt Weld

Design features

• Resilient stainless steel design• Angle, straight or Y pattern • Very low "Heat in leak"• Excellent seat tightness• Linear or equal percentage flow characteristic• Top entry for easy maintenance• Cold box adaptation• Vacuum jacketed on request• Thermal collar in option• Typical fluid: LHe, LOx, LH2, LN2, etc...

Service range

• Temperature: down to 77 K (-196°C or -320°F)• Size: DN 6 to DN 200 (1/4" to 8")• CV: 0.01 (DN 6) to 1000 (DN 200)• Rating: up to class 300• Standard connections: Butt Weld

Design features

• Resilient stainless steel design• Angle, straight or Y pattern • Extension length according to BS 6364• Excellent seat tightness• Linear or equal percentage flow characteristic• Top entry for easy maintenance• Cold box adaptation• Vacuum jacketed on request• Typical fluid: LN2

Size (mm) 6 8 10 15 20 25 32 40 50 65 80 100 125 150 200Size (in) 1/4” 1/3” 3/8” 1/2” 3/4” 1” 1 1/4” 1 1/2” 2” 2 1/2” 3” 4” 5” 6” 8”

H 650 650 650 650 650 650 650 875 875 875 875 1000 1000 1000 1000L 380 380 380 380 420 420 465 520 520 620 860 860 1100 1150 1150Ø 160 160 160 160 160 210 210 310 310 310 415 415 600 600 600

Dimensions are given in mm as indication only.

L

H

Ø

Cryogenic Bellows Seal Control Valves

High Pressure & Severe Applications Control Valves

Actuators & Accessories for all Valve Ranges

Service range

• Temperature: down to 19 K (-254°C or -425°F)• Size: DN 10 to DN 400 (3/8" to 16")• Rating: up to class 2500• CV: 0.01 (DN 10) to 1800 (DN 400)• Standard connections: Butt Weld

Design features

• Resilient stainless steel design• Straight pattern • Soft or metallic seal• Excellent seat tightness• Linear or equal percentage flow characteristic• Top-entry for easy maintenance• Anti-cavitation and low dB design for critical applications

• Pneumatic actuator with diaphragm and spring return to fail position (open or close)• Double acting actuator on request • Manual override with compensation spring washers• IP 54 in standard and EExd or EExi protection on request• Pneumatic or electro-pneumatic positioner• Air filter regulator with gauge• Solenoïd Valve• Limit Switches• Inductive detector• Position indicator• Position transmitter• Etc...

Quench Relief Valves

Valve function

Protect the superfluid helium enclosures of superconducting magnetsagainst over-pressure resulting from resistive transitions (Quench) as well as some of the cryogenic lines (QRL).

Service range

• Temperature: down to 1.2 K (-272°C or -457°F)• Size: DN 15 to DN 80 (1/2" to 3")• Rating: PN 25• Standard connections: Butt Weld

Design features

• Set pressure: 1 bar up to 25 bar• Angle body• Very low "Heat in leak"• Remote control actuation (on/off function) on request• Excellent flow coefficient• No risk of icing or jamming when operating• Set pressure independent of downstream pressure• Resistant to radiation • Cold box adaptation• Typical fluid: LHe, LOx, LH2, LN2, etc...

DMS - Magnetic Safety Device

Service range

• Size: DN 10 to DN 150 (3/8" to 6")• Set pressure : 0.2 bar up to 25 bar• Standard connections: Butt Weld

Design features

• Over-pressure device using permanent magnets• Fully open since beginning of discharge• Automatic re-closure after circuit discharge• +/- 1% accuracy• No pressure oscillations• Adjustable set pressure

90 rue Challemel Lacour - F69637 LYON Cedex 7 - FrancePhone: +33 (0)4 78 61 67 00 - Fax: +33 (0)4 78 72 12 18 - Email: velan.sa@velan.fr

Consult other VELAN valve lines on our web site: www.velan.com

TORQSEAL VELFLEX

VELAN’s Cryogenic Valves Range:

VEL - CRYO

Main Applications:

" Particule accelerators" Superconducting magnets" Nuclear fusion" Rocket launch pads" Rocket engine test benches" Transonic wind tunnels" Helium and Hydrogen liquefiers

Main Fluids:

Fluid Boiling Point (K) Boiling Point (°C) Boiling Point (°F)Oxygen 90.19 -182.96 -297.33Nitrogen 77.35 -195.80 -320.44

Hydrogen 20.28 -252.87 -423.17Helium 4.22 -268.93 -452.07

VELA

N re

serv

es th

e righ

t to

chan

ge th

e con

tents

with

out n

otice

. Prin

ted in

Fran

ce -

Créd

it ph

otos

: CE

RN, C

NES,

EDF,

DGA

-Esco

ffier

-Vidé

o-Ed

ition

(04

7869

5119

) - Ju

in 20

09