Sentry's Saf-T-Vise coupon holders are designed to mitigate pipeline or processing equipment materials failure. The coupon holder has a locking collet that enhances operator safety by securing the shaft within the process stream in low and high pressure conditions. It works with a variety of corrosion coupons (including rod, flat single hole, flat dual hole, and disk) to measure the rate of corrosion within a pressurized process. The coupon holder features a process pressure bleeder valve, an integrated safety cap or chain, and it is designed and manufactured in accordance with ASME B31.3.
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