Cold traps

Vacuum

News

Swing-out uptol; Swing-out available

valves

now

available

in sizes

ball valves in 1: in. and 1; in. sizes are from Manchester Valve 8 Fitting Company.

valves models, purity The

ball

complement and are and safety

valves

offer

the existing Whitey designed for applications systems.

line

higher

than

sealing

range

New

and

new

available. high The full-flow valves are standard choice of female NPT or weld

integrity

of temperatures

now The

of f in. to 1 in. such as hydraulic,

other

their range. They feature a patented sealing incorporates a support ring and a spring-loaded benefits include long cycle life and leak-tight broad

Other features are stem packing which is adjustable in line, grounded blow-out proof stems, and easy maintenance through removal of a single bolt which allows the centre body section to swing out. Colour-coded handles and seal maintenance kits are

in.

designs

system

in

Micromass

which seat. The over a

TFE shut-off

6, for booklet

precision has

been

ideal instrument applications.

for

12

45O’F

gas analysis by the

gas

analysis

manufacturers

or designing VG

Lane,

Winsford,

to

Micromass

Cheshire

of

Rufford

Court,

Hardwick

Company, CW7

3QH.

VG

New

publication

Detailed

technical

Manchester Grange,

Valve Et Fitting Co Ltd, Warrington, Cheshire,

series

NCT

UK

UK

are

described

in the

leaflet

06

002

Road,

Vacuum Swansea

Hastings,

on

probably

mbar/l

the

most

equipment available : Leak Detectors, a company approved

motion

VG

models

s-l. and accessories and spark tester

described include mass spectrometer, types in a wide variety of versions for

279,

Generators Ltd, TN34 1 YQ, UK

that all information found easily. Copies

relevant to the selection are available free on

004

476,

Manor

feedthroughs RD5,

revised

RD6

and

RD7

September

are

described

in the

to

capability of equipment covered in large plant and components, rates as small as 2 x lo-l2

process request.

can

Edwards

Rotary

can

all

purposes: fully automatic, transportable, fully portable, remote-operating, and in-line for use in mass production. Technical information has been carefully edited and presented

1979. Menzies

04

4RF.

detectors

comprehensive range of leak detection now be obtained in a single publication published by Edwards High Vacuum,

Models Pirani

September

: leak information

Defence Standard 05/21. The spans detection of gross leaks down to measurement of leak

traps

revised

The

psi

(232°C).

WA1

published

general

Nat

The

and

pressures.

to extol the virtues of this very versatile family of 90” magnetic deflection mass spectrometers of 6.2 cm radius. The wide range configurations, inlet systems and accessories make the Micromass

Cold

kPa)

a

literature

A convenient

6 the specific

(6800

in 316 stainless steel, with ends. Service ratings are 1000

Royal,

Crawley,

High

Sussex

so

be

Vacuum,

RHlO

2LW.

UK

leaflet

1979.

Menzies

Rd.

Vacuum Sussex

Hastings,

Generators Ltd. TN34 1 YQ, UK

Pneumatic

control

equipment

A leaflet designed to serve very large and comprehensive

as a quick range

means of reference to the of equipment for pneumatic

control.

Safety When

note-‘RT’ Edwards’

presence all-metal

‘SC’series

of the vacuum

when should

isolated electrically

using ensure

foreline

of pipeline

Viton O-ring components

become electrically is, of course, always Therefore, nuts, one

series

couplings

are

and plastic coupling such as ‘RT’ foreline from

the main earthed.

used,

plastic earth

and integral cartridge Generators Limited, earth terminal.

Edwards’ programme Publication

Road,

Hastings,

school of vacuum 1979-80 P179

timetables of the course handbooks information.

is an illustrated

syllabus manuals,

Royal,

Crawley,

leak-detector

calibration).

Institution

Bellows Staffs

Division,

WSll

: BS5914:

A revised

standard

Generators TN34

2 Park

Ltd, lYQ,

3LR.

UK

gives

High RHlO

of the general

details analogue popular

Vacuum, 2LW.

Street,

now

technology. available.

Standards

Institution,

London

1980

shortform

catalogue

WlA

2BS.

UK

now

Now available from Comark Electronics Ltd. specialists temperature measurement technology, is their latest product catalogue. This 1 B-page A4-size full colour

the

and details along with

1980

UK

Comark’s available

Sussex

Cannock,

British

Sussex

which

Lane,

1980 methods of calibrating leak detectors of the mass-spectrometer type used in the field of vacuum (IS0 title : Vacuum technology-Mass spectrometer-type

coupling connection heater. New will, of course,

Edwards Manor

British Standards and IS0 3530-1979

which

: course booklet

courses, the course and maintenance

the

system,

Vacuum Menzies

Walkmill

nut can cause traps to

vacuum

this type of trap with that there is a proper

made to the body of the trap ‘RT’ Series traps from Vacuum be supplied with an appropriate

Schrader

traps

UK

extensive

in shortform publication

the

company’s comprehensive range of digital and thermometers and accessories. It also highlights a selection of thermocouple probes from the company’s range. 367