Item # 20TWOY, TWOY & TBOY Series Hose (Polypropylene Braid) On Dunham Rubber & Belting Corp.

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All Categories > Sanitary Hose and Fittings > High Purity Tubing, Hose & Fittings > Sanitary Hose > Fluoropolymer-Lined Hose (incl. PTFE, FEP & PFA) > Convoluted Bore Flouropolymer-Lined Hose > TWOY & TBOY Series Hose (Polypropylene Braid) > Item # 20TWOY


	Item # 20TWOY, TWOY & TBOY Series Hose (Polypropylene Braid)
	List Price QUOTE

TWOY & TBOY Series Hose (Polypropylene Braid)

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Chemfluor® PTFE Fluoropolymer Helically Convoluted Inner Tube
Polypropylene Braid
Open Pitch

Features and Benefits

Chemfluor® PTFE inner tube
Polypropylene braid

Ultraviolet stabilized
Offers good chemical resistance against many types of acids
Resists abrasion better than stainless steel reinforcements
Lightweight, with minimum force to bend
-Easy to transport, connect and disconnect
-Less strain on adjoining equipment/scales
Braid fraying minimized, reducing risk of hand injuries from wire braid punctures
Does not conduct internal heat as readily as stainless steel braided hoses
Burn potential from incidental contact greatly reduced

Specifications · Applications · Common Media · Details · Engineering Specifications · Industry Approvals & Compliances · Pressure Rating

Specifications

Inside Diameter

1.25 in
31.8 mm

Outside Diameter

1-7/8 in
45.7 mm

Max. Length

65 ft

Max. Working Pressure¹

200 psi
1.38 MPa

Min. Burst Pressure²

800 psi
5.52 MPa

Min. Bend Radius

4.50 in
114.30 mm

Vacuum Hg (@ 70ºF)³

29.9 in
75.95 mm

Inner Tube

Chemfluor® White

Weight

0.50 lbs/ft
0.75 kg/m

¹ Working Pressure is given at room temperature. Decrease working pressure to 40 psig for all sizes above 175ºF.
² Burst pressure ratings at ambient 70ºF (21ºC). See below on vacuum/pressure ratings at temperatures other than ambient.
³ Vacuum Rating all sizes: 29.9" Hg @ 70ºF. Decrease working pressure rating 1% for every 2ºF above 150ºF. 1-1/4" rated @ 26 Hg; 1-1/2" rated @ 24" Hg; 2" rated @ 20" Hg when installed less than 2X minimum bend radius.

Applications

Sanitary transfer
Food, flavors and syrups
Solvent transfer
Drain and sample lines
Semi-transparent sight gauges
Corrosive environments

Common Media

Base chemicals
Corn syrup
Product transfer
Caustic solutions

Details

Construction:

Inner Tube:
-Chemfluor® white PTFE
Reinforcement: 316 stainless steel braid
-Polypropylene braid
-Each strand of large diameter (denier) Polypropylene monofilament is twisted and subsequently twined prior to braiding
-Tested for maximum abrasion and chemical resistance
-Tightly woven braid offers excellent abrasion resistance

Fittings:

PermaSeal crimp-style
-Over 40 styles of 316L stainless steel conventional fitting designs
Flare-Thru fittings and adapters technology available:
-150# epoxy-coated carbon steel lap-joint style flanged (standard)
-304 and 316 stainless steel flanges available (optional)
-Female cam and groove (swivel style); 316 stainless steel body
-Sanitary clamp style

Engineering Specifications

Temperature Rating

-40ºF to +250ºF
-40ºC to +121ºC

Industry Approvals & Compliances

USDA
FDA
Pharmacopeia Class VI

Pressure Rating

Burst Pressure ratings at ambient 70ºF (21ºC). See below on vacuum/pressure ratings at temperatures other than ambient.
Working Pressure is given at room temperature. Decrease working pressure to 40 psig for all sizes above 175ºF.
Vacuum Rating all sizes: 29.9" Hg @ 70ºF. Decrease working pressure rating 1% for every 2ºF above 150ºF. 1-1/4" rated @ 26 Hg; 1-1/2" rated @ 24" Hg; 2" rated @ 20" Hg when installed less than 2X minimum bend radius.

Item # 20TWOY, TWOY & TBOY Series Hose (Polypropylene Braid)