API Cast Steel OS&Y Gate Valve Class 300
WCB Body, Class 300 Rating, RF Flanged Connection, OS&Y Rising Stem Design
WEISSMILLER API Cast Steel OS&Y Gate Valve Class 300 is designed for shut-off and isolation service in industrial piping systems. With WCB cast steel body, RF flanged connection, bolted bonnet, OS&Y rising stem construction, and handwheel operation, this valve provides reliable performance for water, oil, gas, steam, utility line, and process piping applications.
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Product Overview
API Cast Steel OS&Y Gate Valve Class 300 is a heavy-duty gate valve designed for full open and full close operation. The gate valve design provides low flow restriction when fully open, making it suitable for isolation service in industrial piping systems.
The OS&Y outside screw and yoke construction provides visible rising stem movement during valve operation, making valve position easier to identify. The WCB cast steel body, bolted bonnet construction, and RF flanged connection support reliable service for medium-pressure industrial applications.
Key Features
API Gate Valve Design
Designed for shut-off and isolation service in industrial piping systems according to API gate valve construction.
WCB Cast Steel Body
WCB cast steel body provides strength and durability for industrial service conditions.
Class 300 Rating
Suitable for piping systems requiring Class 300 pressure rating compatibility.
OS&Y Rising Stem
Outside screw and yoke design provides visible stem movement for easier valve position identification.
RF Flanged Connection
Raised face flanged end connection provides secure installation between piping flanges.
Bolted Bonnet
Bolted bonnet construction supports robust valve assembly and maintenance access.
Technical Specification
| Item | Specification |
|---|---|
| Product Type | API Cast Steel OS&Y Gate Valve Class 300 |
| Valve Type | Gate Valve |
| Brand | WEISSMILLER |
| Size Range | DN50 – DN600 / 2" – 24" Available Upon Request |
| Example Size | 6" |
| Body Material | WCB |
| Wedge / Disc Material | WCB + 13Cr |
| Seat Ring Material | A105 + 13Cr |
| Stem Material | ASTM A182 F6a |
| Gasket | SS304 + Flexible Graphite |
| Stem Packing | Flexible Graphite |
| Connection | RF Flanged End |
| Pressure Rating | Class 300 |
| Design Type | OS&Y / Outside Screw and Yoke |
| Stem Type | Rising Stem |
| Bonnet Type | Bolted Bonnet |
| Operation | Handwheel Operated |
| Design Standard | API 600 |
| Face to Face Standard | ASME B16.10 |
| Flange Standard | ASME B16.5 |
| Test & Inspection | API 598 |
| Temperature Range | -29°C to 425°C |
| Suitable Media | Water, Oil, Gas, Steam, Utility Line, and Process Fluid |
| Service Type | Shut-Off / Isolation Service |
Product Details
Additional product views showing the cast steel body, OS&Y rising stem construction, handwheel operation, bolted bonnet, RF flanged connection, body marking, flange drilling, and nameplate reference for easier product identification and technical review.
Applications
Related Products
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API Cast Steel Globe Valve
Cast steel globe valve for shut-off and flow regulation service in industrial piping systems.
Need API Cast Steel OS&Y Gate Valve Class 300?
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