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Connector Sizes


BFM® spigots and connectors are available in a variety of set diameters in 50mm (2") increments, from 100mm (4") up to 1,650mm (65").
 

Most of our connectors are available in standard lengths starting at 80mm (3"), then in 50mm (2") increments from 100m (4") up to 6 metres (19ft 8").

(Note: for larger diameters from 700mm (27.5") upwards, certain length restrictions apply).

 

Please refer to the table below for a general guide to the available diameters and lengths relevant to each type of BFM® connector - contact your local Distributor if you have any further questions, or try our FAQ's:

 

   

Connectors (without rings)

Connectors with Rings

Spigots

Minimum diameter


100mm (4”)  (then available at 125mm (5”) & 150mm (6”) and in 50mm (2”) increments)

100mm (4”)

100mm (4”) (then available at 125mm (5”) & 150mm (6”) and in 50mm (2”) increments up to 1.65m (65”)

Maximum diameter

300mm (12”) for Flexi 
650mm (251/2”) for TR 
1.65m (65”) for standard

500mm (20”)  for SS Rings
1.0m (391/2”) for Plastic Rings (consult factory)
1.65m (65”) 
(no custom sizes available)

Minimum Length

80mm (3”) (except as noted below)
100mm (4") FM1
200mm (8”) Flexi
350mm (14”) for fitting on a tumbler or gyratory screening machine

150mm (6”) 37mm (11/2”)
NOTE:  If tail is cut down, ensure there is a heat sink to prevent distorting the spigot when welding onto pipe.

Maximum Length

(From 100mm, connectors are available in 50mm (2”) increments up to:)

200mm (8”) Ø 1.05 - 1.65m (41-65”) 
500mm (20”) Ø 700mm - 1.00m (271/2-391/2”)
1.0m (391/2”) for FM1 & Blanking Bins/Socks
1.5m (59”) for LM3, LM4 & Teflex
2.0m (6ft 61/2”) 
Ø up to 650mm (251/2”) 040AS
4.0m (13ft 11/2")
for Flexi
6.0m (19ft 8”)
Ø>650mm (251/2”) for Seeflex

500mm (20”) Ø 550mm-1.00m (211/2-391/2”) (Plastic rings only)
2.0m (6ft 61/2”) Ø up to 650mm (251/2”) 040AS
4.5m (14ft 9”) Ø>500mm (191/2”)
89mm (31/2”) Total length
Head = 37mm (11/2”)
Tail = 52mm (23/64”)

Other

 

The smallest installation gap a connector can be fitted into is 65mm (21/2”) (for an 80mm (3”) long connector).

Note:  This may not be suitable for frequently changed connectors or those with more than a small amount of vibratory movement.

Distance between spigot & rings:
for 150mm (6”) long  = 75mm (3“)
for all other lengths = 100mm (4”)

Multiple rings evenly spaced at a min: 
100mm (4”) apart for CL > 850mm (331/2") (max 4 rings)
200mm (6") apart for CL ≥ 850mm (331/2") (max 10 rings)

Diameter (Ø) Measurements:
100mm (4”) Ø is measured to outside edge (OD) (to fit standard tube)
125mm (5”) Ø & over measured to inside edge (ID) (to fit standard pipe)
    Blanking caps and socks/bins available from 100mm (4") to 650mm (251/2") diameter Only Seeflex 040E, Seeflex 040AS, LM3, LM4 and Teflex are supplied with rings (Seeflex 020E on request only). Wall Thickness: 
100mm (4”) Ø are 1.5mm (1/64”) thick
150mm (6”) Ø & up are 2mm (5/64”) thick
    All Ø 800mm (311/2”) & over have finger-loops as standard to aid installation from one side Maximum number of rings: 10 Available in T304L SS and T316L SS, as well as C22 Hastelloy
      Tapered connectors cannot be made with rings Internal finish of the stainless steel is 0.8Ra micro-metres (32Ra micro-inches).


Connector Quick Ref Facts

 

020E

040E

040AS

Flexi

LM3

LM4

FM1

Teflex

Operating Temperature
(Continuous)

(Surge)


-25 - 80°C 
(-13-176°F)

100°C (212°F)


-25 - 110°C 
(-13-230°F)

120°C (248°F)


-25 - 95°C
(-13-203°F)

100°C (212°F)


-20 - 85°C
(-4-185°F)

-


-70 - 94°C 
(-94-201°F)

107°C (225°F)

130°C (266°F)(Max)
150°C (302°F)

130˚C (266˚F)(Max)
150˚C (302˚F)

260°C (500°F)(Max)
280°C (536°F)
Maximum operating pressure 1.5 PSI 
0.689 kpa
0.1034 BAR
5.0 PSI 
34.474 kpa
0.3448 BAR
5.0 PSI 
34.474 kpa
0.3448 BAR
- - - - -
Surface Resistance (Ohms) 1010 1010 108 N/A 108 108 108 Insltve
FDA Approved CFR 177.1680
& 177.2600
CFR 177.1680
& 177.2600
CFR 177.1680
& 177.2600
CFR 177.1680
& CFR 21 177.1550 (adhsvs)
& 177.2600
CFR 21 177.1680
& 177.2600
CFR 21 177.2800 CFR 21 177.2800 CFR 21 177.1550
3A Certified      Yes ( 20- ) Yes ( 20- ) - Yes ( 20- ) - - - -
EU Approved EC 1935/2004,
2023-2006
& 10/2011
EC 1935/2004,
2023-2006
& 10/2011
- EC 1935/2004,
2023-2006
EC 1935/2004
& 10/2011
EC 1935/2004
& 10/2011
- -
ATEX Certified  All dust explosion hazardous areas (some restrictions apply). Restrict-
ions apply.
- Restrict-
ions apply. 
- -

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