
Stellite 20 Valve Balls Cobalt Valve Ball and Seat
Product Introduction
Our overall process of Stellite Equivalent, pure Tungsten Heaters, Pure Tungsten Plate has reached the world's advanced level, thus the development of related industries will be promoted. Our company has established long-term and stable cooperative relations with major manufacturers, providing customers with guaranteed quality and stable supply demand for a long time. We always adhere to the principle of "quality first, customer supreme, credit oriented", and are brave to explore, innovative, and strive to meet customers' expectations continuously with first-class technology and elaborate services. Through our social responsibility work, we hope to lead business innovation, promote industry progress and serve social development, so as to build a long-lasting business and promote the progress of the times.
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.
With honesty and sweat to achieve perfection, we will continue to forge ahead to provide our customers with quality Stellite 20 Valve Balls Cobalt Valve Ball and Seat and more perfect services. We create a stable situation for everyone to feel comfortable and work together for reform and development of the enterprise. We explore the personal potential of our employees, activate the creativity of our team, set up the concept of being the first, and overcome the stereotype of thinking.
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