Microfinish Valves Inc.

Microfinish Valves Inc.

7807 Bluff Point Drive, Suite 190, Houston, Texas 77086,United States

Metal Seated Valves

Metal Seated Valves

Metal Seated Valves

Metal Seated Valves that Outperform the Competition

The Microfinish robust metal seated ball valve line outperforms in the harshest industrial conditions. This includes extreme high temperature up to 650°C / 1200°F, abrasive medium such as fly-ash, slurry, and pulp applications, and pressures as high as class 2500. 

By default, Microfinish metal seated ball valve line exceeds FCI-70-2 Class V leak rate with outstanding repeatability. Class VI leak rate is also feasible upon special request, and pending approval from the Microfinish engineering team.

Various hardening techniques are available: nickel plating, chromium plating, nitriding of austenitic stainless steel, plasma thermal arc (PTA) welding of stellite, and high velocity oxygen fuel (HVOF) spray technique of tungsten carbide or chromium carbide over cobalt base layer. Each technique is sized carefully to meet the application parameters.

The Microfinish metal seated ball valve line includes floating ball valves, from ½ inch (DN15) to 10 inch (DN250), and trunnion mounted ball valves, from 2 inch (DN50) and up to 48 inch (DN1200). Both types of valve  are available in reduced bore and full bore, and pressure classes from ASME 150 to 2500. 

Applicable standards

Design standard

API 6D, API 608, ASME B16.34, ISO 17292

Testing standard

API 6D, API 598, EN 12266-1, ISO 5208

Fugitive emission

TA-Luft, ISO 15848-1, API 641

Flange standard

ASME B16.5

Weld ends

ASME B16.25

Fire safe testing

API 607, API 6FA, ISO 10497

Sour gas service

NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945

Documentation

EN 10204 type 2.2 (default) / 3.1 / 3.2

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