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How to Order
The quantity, hose size, liner, braid, cover, protection system, length and fittings must be selected and specified in full.
EITHER by a full, written description. The hose grade can be specified by the code initials e.g. "Bioflex AS, SS, RC, DRC-300" defines an
antistatic PTFE lined hose with an EPDM rubber cover over a SS braid,
with a double rubber cover at both ends.
The quantity, length and fittings can then be written in - e.g. "4 off x 1" bore Bioflex, AS, SS, RC, DRC-300 hose x 3.00 metres long. Both
ends non-lined ANSI 150# S/S Flanges".
OR by Part Numbers, as defined in the part number section. Example from above "4 off Part No. 16-BFX/AS-RC-00-3.00m-12-12, with DRC 300 at
both ends".
Any special requirements relating to the hose construction, or information required on Tags, or Certificates, or special testing of
requirements, must be specified in full on the enquiry or purchase
order.
Selecting the Hose Grade
There are two types of PTFE liner available, natural (GP) and antistatic (AS) and four types of braid, Grade 304 stainless steel (SS)
polypropylene (PB), Hastelloy (HB), PVDF or Kynar (KYB). Rubber covering and other external protection systems are also available.
A hose grade is specified by using the abbreviations given. For example, Bioflex AS,PB would describe a hose with an anti-static
PTFE liner and a polypropylene braid.
Selecting the End Fittings
Bioflex is available with a range of ‘standard’ end fittings normally supplied hygienically PTFE lined and
flared.
Stainless Steel End Fitting Materials
Non-Lined Spigots - are all made from Grade 316L SS
PTFE Lined Spigots - are all made from Grade 316L or Grade 316C SS
Cam and Groove Female Fittings - are made from Grade 316C SS (Body) and 316L SS (Spigot)
Swivelling Nuts and Flanges - are all made from Grade 304 SS
Ferrules - most ferrules are made from Grade 304 SS, except some are made from Grade 316L SS - consult Aflex Hose if necessary.
The equivalent specification for the different Grades of Stainless Steel are listed below:
Specification Equivalents List
| Grade |
BS - British Standard |
AISI - American Standard or
C = Casting Grade |
EN - European Norm |
| 316L SS |
BS 316 S11 |
AISI 316 L |
EN 1.4404 |
| 316C SS |
BS 316 C16 |
CF8M |
EN 1.4408 |
| 304 SS |
BS 304 S15 |
AISI 304 |
EN 1.4301 |
To special order, end fitting components can be made in non-standard grades of SS such as 1.4435, or other materials such as Hastelloy or Monel.
Conditions of Sale
Bioflex hose and hose assemblies are only supplied on the basis that the customer has read and accepted the Conditions of Sale.
Selecting the Hose Length
Bioflex hose assemblies are made up to the specific lengths required. The hose length is taken as the length from the sealing face at one
end of the hose to the same at the other end. The length tolerance is normally +5%-0%. Closer tolerances are available to special order.
| *Bioflex Hose Assembly Length Limitations |
| Nominal Size of Hose |
*Minimum Hose Assembly Length Between Fittings |
† Maximum Hose
Assembly Length |
| *Used Straight |
*Flexed Thru' 90º |
| in |
mm |
in |
mm |
in |
mm |
ft |
mtrs |
| 3/8 |
10 |
2 |
50 |
2.75 |
70 |
60 |
18 |
| 1/2 |
15 |
2 |
50 |
3.15 |
80 |
60 |
18 |
| 5/8 |
16 |
3 |
75 |
4.00 |
100 |
60 |
18 |
| 3/4 |
20 |
3 |
75 |
4.33 |
110 |
60 |
18 |
| 7/8 |
22 |
4 |
100 |
5.10 |
130 |
60 |
18 |
| 1 |
25 |
4 |
100 |
6.00 |
150 |
60 |
18 |
| 1 1/4 |
32 |
6 |
150 |
6.00 |
150 |
60 |
18 |
| 1 3/8 |
35 |
6 |
150 |
10.00 |
250 |
60 |
18 |
| 1 1/2 |
40 |
8 |
200 |
11.50 |
290 |
55 |
17 |
| 1 7/8 |
48 |
8 |
200 |
16.00 |
400 |
43 |
13 |
| 2 |
50 |
8 |
200 |
16.50 |
420 |
33 |
10 |
* Listed minimum lengths are for the Bioflex Hose only, and DO NOT INCLUDE THE LENGTHS OF THE FITTINGS AT EACH END.
These must be found from the end fitting pages and added to calculate the minimum length of the hose assembly.
† Sizes up to 1" can be supplied in maximum lengths of up to 36 metres (120 ft) to special order.
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