10" 300# Gate Valve
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Valvosider 10 in. Stainless-Steel Gate Valve — ASME Class 300, RF, OS&Y
Description
Available is one Valvosider Series 451, 10 in. manual stainless-steel gate valve. This is a heavy-duty, bolted-bonnet isolation valve with a flexible wedge, ASME Class 300 rating, raised-face flanged ends, and OS&Y rising-stem construction. The valve is manually operated by handwheel and is supplied in its original wood shipping crate with internal protective packing.
The valve body and bonnet are cast ASTM A351 CF8C stainless steel. Factory documentation identifies a Grade 347 stainless stem, graphite packing, and hardfaced gate/seat sealing surfaces. The configuration is suited to demanding industrial isolation service where the buyer requires a stainless-steel, Class 300, 10 in. RF gate valve.
Verified Technical Details
| Specification | Details |
| Manufacturer series | 451 |
| Design | API 600 gate-valve design; ASME B16.34 construction basis |
| Bonnet | Bolted bonnet |
| Wedge | Flexible wedge with hardfaced seating surfaces |
| Operation | Manual handwheel |
| Stem arrangement | OS&Y, rising stem |
| Body and bonnet | ASTM A351 CF8C stainless steel |
| Stem | ASTM A479 Grade 347 stainless steel |
| Bolting | ASTM A193 Grade B8M Class 2 bolts and ASTM A194 Grade 8M nuts |
| Packing | Pure graphite |
| End connection | 10 in. ASME Class 300 raised-face flanges |