Acid Resistant Cobalt Alloy Stellite Valve Ball and Seat Units
Product Introduction
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Cobalt Base Alloy Seat
FANMETAL supply the Cobalt-Chromium Alloy Seat insert material Cobalt-Chromium Alloy 20 and Cobalt-Chromium Alloy 6 etc. We can supply the valve seat insert processed by the investment casting and powder metallurgy . Cobalt-Chromium Alloy 20 and Cobalt-Chromium Alloy 6 are good resistance performance to heat, corrostion wear and impact, used in steam and chemical valve seats and steam turbine bushing.
Cobalt-Chromium Alloy Seat and balls. Full processing is done on the valve ball and seat. The surface finish of the processed ball is Ra500 microinches. The dimensional tolerance is 0.0010 (0.0254 mm)。
Materials for ball valve seats-metal sealing materials
The metal sealing surface has high hardness and a suitable hardness difference. Surface hardening can be used to increase hardness and enhance wear resistance. Metal sealing materials mainly include chromium-based cemented carbide, cobalt-based cemented carbide, nickel alloy, tungsten carbide, stainless steel, etc.
Cobalt Base Alloy Seat Picture:
API Symbol | Dimensions(inch) | ||
| OD | ID | H | |
VII-106 | 0.793 | 0.460 | 0.500 |
VII-125 | 0.918 | 0.550 | 0.500 |
VII-150 | 1.168 | 0.670 | 0.500 |
VII-175 | 1.388 | 0.825 | 0.500 |
VII-200 | 1.478 | 0.960 | 0.500 |
VII-225 | 1.720 | 1.060 | 0.500 |
VII-250 | 2.010 | 1.310 | 0.500 |
VII-375-1 | 3.072 | 1.700 | 0.750 |
VII-375-2 | 3.072 | 1.880 | 0.750 |
Note: Cobalt-Chromium Alloy is a trademark of Deloro Cobalt-Chromium Alloy, USA.
We strictly control the quality of Acid Resistant Cobalt Alloy Stellite Valve Ball and Seat Units, starting from the raw materials inspection, products adhering to the 'quality to win, quality to new' development direction and the work style of excellence. Our employees highly agree with our corporate mission, which is the main driving force for employees to continuously improve their performance. We will further expand our production and sales scale on the premise of improving quality and increasing variety.
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