702 & 702S CLASS 1, DIVISION II, GROUP C & D CERTIFIED HEATED HOSE

PublishTime：2024-11-19

●SELECTION OF RESISTANCE WIRE(TYPICAL METHOD)
■DETAIL WATTS/FT REQUIRED, USING EMPIRICAL DATA TAKING INTO ACCOUNT △T, HOSE SIZE, ETC.
■SPECIFY SUPPLY VOLTAGE "V"
■SPECIFY HOSE LENGTH "L" AND DIA."D"
■CALCULATE TOTAL WATTAGE (W = WperFT x L)
■CALCULATE TOTAL RESISTANCE (R = V²/W)
■SPECIFY WINDING PITCH "P"
■CALCULATE NO. OF TURNS (N = L/P)
■CALCULATE LENGTH PER TURNS "T"
■CALCULATE TOTAL LENGTH (L = NT)
■CALCULATE REQ'D RESISTANCE PER FT (R/L)
■SELECT WIRE FROM RESISTANCE TABLE

Brand of Product：	Technical Heaters
Part#：	702 、 702S 、 702-X-XXX More Part#
Product Category：	HEATED HOSE More
Application：	More
Data Type：	Product Drawing More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	09-13-07
Version Number：	REVISION: NC
Data Encoding：	702 & 702S
Data Size：	962 KB

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