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Corrosion Coupon Holders

For inserting and retrieving a corrosion measurement Coupon in a pipeline under operating pressures up to 5,000 psi.
Type CH 100 (Flange Mount) 2" 150/300/400/600/900/1500/2500 RF or RJ 2" API Type 6 B 3000 PSI or 5,000 PSI

Safe, Rapid, Easy Requiring one man only a few minutes, with NO SPECIAL TOOLS, to change a corrosion measurement coupon in a pipeline while under continuous operating pressure. The coupon holder accepts a 1/2" wide by 1/8" thick coupon, and features a TeflonŽ* seat to eliminate electrolytic corrosion. The gear rack with coupon is lowered into the line through use of a pinion gear on a stainless steel shaft driven by an external handwheel. The shaft is seated against internal pressure by two O-rings made of VitonŽ*. Thrust bearings are used on both ends of the pinion shaft for ease of operation. The unit can be installed in either the vertical or horizontal position. Standard design and construction in accordance with ANSI B31.4. The unit can also be manufactured in accordance with ANSI B31.3 and ANSI B31.8. Each unit is hydrostatically tested to 1 1/2 times design pressure.

Item	Description		Information Required for Ordering Type Pipeline size or design ANSI Rating or design pressure and temperature
1	1/4" NPT vent with plug
2	ANSI quick opening closure
3	Seamless carbon steel body
4	Handwheel
5	1/2" NPT drain with plug
6	2" full opening valve
7	Pipeline
8	Coupon in down position

*VitonŽ is a registered trademark of Dupont Dow Elastomers. TeflonŽ is a registered trademark of Dupont.