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Serpent Rubber

Unaflex® combines the advantages of lightweight yet durable rubber hose, with PTFE's unsurpassed resistance to virtually all chemicals except molten Alkali metals such as Potassium, Lithium, and Radium, as well as Fluorochemicals. Serpent PTFE lined hose is an excellent choice for transfer service of acids, ester, acetone, aromatic hydrocarbons, organic chemicals and alcohols. Unaflex hose is steam cleanable for short durations and is excellent for food handling services.
Construction Features:
Tube: Smooth, non-stick PTFE or FEP tube.

Carcass: Rubber, reinforced with spirals of yarn and double spiral helix wire for maximum flexibility.

Cover: Standard Neoprene of EPDM for abrasion, weather and ozone resistance. Also pinpricked to allow for slight permeation through the outer cover if it should occur.

Lengths: Standard in 50 or 60 foot lengths. Shorter lengths available with built-in integral duck and rubber flanges with beaded ends where all wetted surfaces are PTFE.

Temperature Resistance: Up to 350° F with EFDM, up to 400° F with Viton and Kevlar reinforcement. Pressure ratings must be reduced as temperatures increase over 212° F.

Sizes: Serpent PTFE lined Rubber Hose is available in a wide range of sizes including large bore capacity up through 48" ID contact Factory with your requirements.

Fittings: Unaflex® has the capabilities to build a duck and rubber flange or beaded end into the hose which allows the PTFE liner to extend up the face of the flange or beaded end. These are tough, durable fittings which have unique properties. Stainless steel swaged fittings are also available.

Specifications for Una-Chem S-250 Series

Part Number
Size ID (in.)
Size Nominal (in.)
Working Pressure (psi)
Minimum Burst Pressure (psi)
Minimum Recomm. Bend Radius (in.)
Approx. Weight Per Foot (lbs.)
Vacuum Rating in. (hg.)
S-250-50
1/2
1.04
200
2400
3
0.47
30
S-250-75
3/4
1.29
200
2400
6
0.60
30
S-250-100
1
1.54
200
2400
9
0.73
30
S-250-125
1-1/4
1.8
200
2000
11
0.90
30
S-250-150
1-1/2
2.05
200
1800
12
1.04
30
S-250-200
2
2.55
200
1500
16
1.32
30
S-250-300
3
3.64
200
900
30
2.00
30
S-250-400
4
4.68
200
700
40
3.08
30

 

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