Page 25 - 2010-2022 hose manufactureing ability and guide

CONTENTS (Continued)

Spiral Reinforcement .............................................................................................................................. 22
Knit Reinforcement ................................................................................................................................ 23
Wrap Reinforcement .............................................................................................................................. 23
Woven Hose ........................................................................................................................................... 24
Vulcanization Techniques .......................................................................................................................... 25

Lead Cure ............................................................................................................................................... 25
Wrap Cure .............................................................................................................................................. 26
Open Cure .............................................................................................................................................. 26
Curved Cure ........................................................................................................................................... 26
CHAPTER 3 — HOSE IDENTIFICATION
General ....................................................................................................................................................... 27
Brands (Molded) ........................................................................................................................................ 28

Impression Brands ..................................................................................................................................... 28
Labels/Decals ............................................................................................................................................. 28
Printed Identification .................................................................................................................................. 29
Exterior Surface Identification (Ribs, Plateaus, Grooves) .......................................................................... 29
Colored Yarn or Cord Identification .......................................................................................................... 29

CHAPTER 4 — TOLERANCES
Class Identification .................................................................................................................................... 31
ID, OD and Length Tolerances .................................................................................................................. 31
Textile-Braided, Knitted, or Spiral Wound ............................................................................................. 32
Wire-Braided or Spiral Wound ............................................................................................................... 33
Machine Made Wrapped Or Spiraled Ply ............................................................................................... 34
Hand-Built Hose ..................................................................................................................................... 34

Circular Woven — Fire Hose Tolerances ............................................................................................... 35
Circular Woven Chernack Loom ............................................................................................................ 35
Dredging Sleeves .................................................................................................................................... 35
Tolerances for Specific Cut Lengths of Hose ......................................................................................... 36
Tolerances For Hose Built to Length ...................................................................................................... 36
Squareness of Ends ................................................................................................................................. 36

CHAPTER 5 — COUPLINGS
Types of Reusable Shanks with Clamps ..................................................................................................... 38
Short Shank Couplings ........................................................................................................................... 38
Long Shank Couplings ........................................................................................................................... 38
Interlocking Type ................................................................................................................................... 39
Compression Ring .................................................................................................................................. 39

RMA/IP-2/2003 4