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Description

Flush Disc Coupons Two-Inch System

We sell Flush disc coupons of various sizes and models, both for 2 “system access fittings and 1” retractable systems, which are commonly used for oil and gas, upstream Pertamina, chemical companies, etc.

Flush Disc Coupons

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.)

 

2″ access fitting corrosion

Flush Disc Coupon Two-Inch System

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Additional information

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

Refer

Catalog Bcormon

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