Flush Disc Coupons
Flush disc coupons of various sizes and models for 1” retractable systems, which are commonly used for oil and gas, upstream and downstream, chemical companies, etc.
Flush Disc Coupons: Generally used in applications where the coupon cannot extend into the pipe to interfere with the flow or pigging operations. A circular coupon with a diameter a 1.25″, a thickness of 0.125″ (3.18 x 0.32 cm), and one mounting hole ID 0.312″ (0.792 cm.).
Multiple Disc Coupon: Monitoring is available for pipes with diameters of 6″ or more. This pipeline corrosion protection method offers the following advantages: inherent orientation parallel to flow, greater surface area at a specific level, greater quantity and variety of coupon materials, easier monitoring in stratified or multi-phase flow, and corrosion coupons location in recess area of access fitting for monitoring in gas pockets or stagnant areas.
The hole is countersunk, and uses a flathead, stainless steel screw, insulating washer and insulating disc for mounting.
The exposed surface area is 2.5 sq. in. (16.1 sq. cm.)
|Material||AISI 1018, ASTM A106 gr B, to order|
|Weight||30-50 gram union depending on the model, details will be listed on the envelope|
|Standard||NACE RP-0775 and ASTM G-1|
|Dimension||OD:1.25″, Thickness 1/8″|
|Other Type||Multiple disc coupon
Multiple Disc Coupon Monitoring is available for pipes with diameters of 6″ or more
Flush Disc Coupons Two-Inch System
AISI 1018, ASTM A106 gr B, to order
30-50 gram union depending on the model, details will be listed on the envelope
NACE RP-0775 and ASTM G-1
OD:1.25″, Thickness 1/8″
Multiple disc coupon