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Flexible Connectors Guidelines

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| GUIDELINE

Flexible Connectors
BFM®’s flexible connectors are available in a wide range of diameters as shown in the table below. It is important that the appropriate connector
length is selected for the space available. Pipe and spigot length can be adjusted to ensure the right fit within an appropriate Installation Gap (IG) for
the connector length. The Installation Gap is always slightly smaller than the actual connector length to allow for ease of connector replacement and
offset or movement during operation. Your BFM® distributor can advise on the correct IG for your connector length/application.

Standard Connector Standard Connector


DIAMETER Ø LENGTHS
(MM) (INCHES) (MM) (INCHES)

Installation Gap

Head = 35mm

Tail = 52mm
in mm (IG)
100 4” 80 3”

125 5” 100 4”

150 6” 150 6”

200 8” 200 8”

250 10” 250 10” Inside Diameter


In mm Ø
300 12” 300 12”

350 14” 350 14”

400 16” 400 16” In-line static equipment


IG = CL - 10mm (Minimum)
450 18” 450 18”

500 20” 500 20”


• The connector diameters and lengths highlighted in blue on the adjacent table are the
550 22” 550 22”
‘Preferred Connector’ range and are the most cost effective options.
600 24” 600 24”
• Anything outside of this standard range can be produced as a special connector, up to
650 26” 650 26” 1,650mm (65”) diameter maximum. 100mm (4”) diameter is the smallest we can manufacture.
700 28” • The maximum length for diameters under 700mm (28”) is 6 metres (19ft 8”).
NB: Measurements shown • Available in 50mm/2” increments only.
750 30”
in mm are exact, inches
are approximate. 800 311/2” • TR (Tool Release) connectors are available up to a maximum of diameter of 650mm (251/2”)

Connector Materials
Whilst the Seeflex 040E (clear urethane material) is our most popular connector, we have a wide range of flexible connector materials that are suited
to different applications (please refer to the Material Spec Sheets for full information):

SEEFLEX 040E SEEFLEX 040AS SEEFLEX 020E CAMLON FM1 BREATHER


• Ether based thermoplastic • Ether based thermoplastic • Ether based thermoplastic • Polyester fabric outer with E-PVC • 100% polyester needle felt
polyurethane polyurethane with anti- polyurethane coating & Seeflex 040E inner breather bag
• Ideal for static, vibratory and static infusion. • Lightweight media ideal for • Used for over pressure • Used to vent hoppers and
gyratory equipment • Ideal if static is a problem weighscale equipment situations up to 1.3 bar other contained vessels
• Food approved • Food approved

LM3 LM4 TEFLEX KEVLAR COVER BLACK OUT COVER


• 100% woven polypropylene • 100% woven polyester • 100% woven Teflon PTFE • 100% woven Kevlar (Aramid) • 100% woven polypropylene
• Used for lower temperature • Used where breathability • Highly resistant to alkalis/ • Used in over-pressure and • Used for light sensitive
environments (down to is required at higher caustic/acids highly explosive applications areas - cuts out all light
-700C/-940F) temperatures (up to 1300C/ • Resists extreme tempera-
• Ideal for food processing 2660F) tures (up to 2600C/5000F)

BFM® GLOBAL LTD. | EMAIL: sales@BFMfitting.com | WEB: BFMfitting.com GUIDELINE - FLEXIBLE CONNECTORS PAGE 1 OF 1

V2 SEP 2016

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