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INTRODUCTION TO FLEXIBLE HOSES
Braided Hoses
Braided hoses provide versatility as a small diameter flexible connection
to equipment such as Fan Coils, VAV boxes, small pumps, heat pumps,
Chilled Beams and Radiant Panels.
Not only do they absorb noise, vibration and movement, but they can
greatly reduce installation and servicing times alike.
In addition they will accommodate small movements resulting from
pipework expansion.
Hoses perform reliably when the correct type of hose is specified for the
service conditions, ensuring that it is properly installed. Please refer to our
correct installation guide.
There are many types of hoses available in the market, but the non
toxic EPDM lined hoses remain the product being specified due to their
excellent versatility and robust construction.
With bore sizes ranging from 10mm through to 40mm you should find a
hose to cater for your requirements. In additions Class ‘O’ insulation is
available across all bore sizes for use in chilled water applications, finished
off with end caps to create a vapour seal.
In addition to the EPDM, Butyl lined hoses are now available in 1/2” bore.
These provide a non permeable solution and make them an ideal solution
in closed circuit applications. They have a greater flexibility and stability
throughout their service life to that of EPDM.
Butyl lined hoses are specified widely across Europe.
An extensive range of nickel plated brass end connections are
available to ensure that whatever the application requirements, we
can fulfil your needs.
All hoses come with a 10 year manufacturers warranty and are wet &
pressure tested to ensure the integrity of the product, prior to it being
sent to site.
Whatever the bore sizes, length or end permutations here at Engineered
Products & Solutions we have the range and flexibility to cater for
all your needs.
Stainless Steel
Stainless steel convoluted hoses are all welded alternatively for
applications where rubber is not suitable. Stainless steel braided hoses
can withstand very high temperatures and pressures and still offer a
good degree of flexibility (see EPS71 & EPS73).
Special Applications - Fan Coils
Hoses as final connections to fan coils can save a great deal in fitting
time. If the fittings are correctly selected, they can also be used to form
a bypass loop during pressure testing and flushing to protect the fan coil.
During service they will prevent noise transmission and can compensate
for pipe work expansion.
Chilled Ceilings
Hoses are very useful in connecting chilled ceiling panels. When fitted
with a special Push fit connector, ceiling panels can be coupled with the
minimum of force.
Expansion
In certain applications hoses can be used to absorb small amounts of
expansion e.g. riser branches. The pipe size should be less that 50mm NB.
Settlement
Hoses can also be used to compensate for building settlement. Larger
sizes are permissible as the movement is only a one off.
Installation Guide
Engineered Products & Solutions Ltd
Visit www.epands.com
Flexible hoses should be installed by competent Plumber or Engineer with following rules applied,
Prior to InstallationCheck the flexible hose is WRAS approved before connecting to potable water supplies.Check the flexible hose is correct for application and do not exceed rated temperature or pressure.Check the integrity of the mating parts and ensure all pipe work is clean and free from burrs before installation.
Post Installation Verify all connections are secure and leak free.All EP&S range of flexible hoses are guaranteed for a period of 5 years but subject to these simple rules.
Flexible Hose Installation Guide
INSTALL WITH SMALLCOMPRESSION OR SLACK TOABSORB EXPANSION
21 DO NOT TWIST
DO NOT STRETCH OR TENSION
DO NOT BENDAROUNDSHARPCORNERS
DO NOT BENDIMMEDIATELYAFTER ENDCONNECTION
43
PLASTIC FITTINGS TO BEFINGER TIGHTENED 3 TO4Nm
BRASS FITTINGS MAXIMUMTORQUE 4 TO 5 Nm
5 DO NOT USE WITHSOLDER FLUXES ORCHEMICALS
DO NOT USE NEAR SOLDERTORCH OR HEAT SOURCE
WITH PUSH FIT CONNECTIONSENSURE TUBING IS FULLYINSERTED
ENSURE TUBING IS CLEANAND FREE FROM BURRS
DO NOT CONNECT TOEARTH BONDING
7
6
8
BEND RADIUS = 10 xHOSE DIAMETER
RUBBER HOSES TYPE EPS82
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HOSE PRODUCT DATA Engineered Products & Solutions Ltd
Visit www.epands.com
Construction The EPS82 hose is constructed from an unreinforced rubber liner with a stainless steel wire braid. The Liner is made from a high grade EPDM rubber which is highly resistant to hot water ageing. The fittings are swaged using stainless steel ferrules making the hose suitable for both hot and chilled water applications. The EPS82 hose can be supplied insulated with Armaflex lagging. (See option in coding information below)
Specification EPDM rubber hose with stainless steel braid. Connections swaged using stainless steel ferrules.
Design Temperature: -10 TO +100 deg C
OPTIONS AND CODING INFORMATION15mmEPS82-15-30AB Fixed Male x Swivel Female Flat Seat 300mm longEPS82-15-45AB Fixed Male x Swivel Female Flat Seat 450mm longEPS82-15-30BD Fixed Male x Copper Compression 300mm longEPS82-15-45BD Fixed Male x Copper Compression 450mm longEPS82-15-30EE 15mm Tectite Push Fit both EndsEPS82-15-45EE 15mm Tectite Push Fit both Ends
20mmEPS82-20-30AB Fixed Male x Swivel Female Flat Seat 300mm longEPS82-20-45AB Fixed Male x Swivel Female Flat Seat 450mm longEPS82-20-30BD Fixed Male x Copper Compression 300mm longEPS82-20-45BD Fixed Male x Copper Compression 450mm longEPS82-20-30EE 22mm Tectite Push Fit both EndsEPS82-20-45EE 22mm Tectite Push Fit both Ends
*Other sizes and end fitting options available on request
Materials Hose: High Grade EPDM Braid: AISI 304 Stainless Steel Fittings: SEE OPTIONS & CODING INFORMATION Ferrules: AISI 304 Stainless Steel
Identification Red and Blue braid marking, Manufacture’s I.D., Date on ferrule.
METAL HOSES TYPE EPS71Construction
The EPS71 hose is made from longitudinally welded thin walled stainless steel convoluted tube. It has a stainless steel wire braid which gives the hose a high pressure performance. The EPS71 hose can be supplied insulated with closed cell class ‘O’ lagging. (See option in coding information below)
Specification
Convoluted Stainless Steel flexible hose, with a stainless steel wire braid all welded construction with a range of end fittings in carbon or stainless steel.
Materials
Hose: AISI 321Braid: AISI 304Ferrules: AISI 304Fittings: See options & coding information
OPTIONS AND CODING INFORMATION
EPS71 - 25 - 45 S STyp
eNBmm
Leng
th
Endfi
tting 1
Endfi
tting 2
A BSPP Swivel Female Flat Seat, Carbon SteelB BSPT Male Taper, Carbon SteelC BSPP Male Parallel, Carbon SteelD Copper Compression Inc. Nut & OliveE Push Fit Connection TypeF BSPP Swivel Female Conical Seat, Carbon Steel
This example describes a type EPS71 hose of 25mm NB, 450mm in length with fixed flange PN16 both ends
G Copper Tube End, 40mm longH Carbon Steel Tube EndI Stainless Steel Tube EndJ Mannesman Coupling, Stainless SteelK BSPP 90 Deg Elbow, Swivel Female Flat Seat , Carbon SteelL LaggingM Carbon Steel Tube Weld EndN Mannesman Tube End, 40mm long, Stainless SteelO BSPT Full Male Union, Carbon SteelP BSPT Full Female Union, Carbon SteelQ BSPT Full Male Union, Stainless SteelR BSPT Full Female Union, Stainless SteelS Fixed Flange PN16, Carbon SteelT Swivel Flange PN16, Carbon SteelU Fixed Flange PN16, Stainless SteelV Swivel Flange PN16, Stainless SteelW Swivel Flange PN16, Stainless Steel Van StoneX BSPT Male Taper, Stainless Steel Y BSPP Swivel Female Flat Seat, Stainless SteelZ Copper Tap Connector on 90 deg Elbow
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