Cast Steel BB OS&Y Gate Valve PN25
WCB Cast Steel Gate Valve with RF Flanged Connection, PN25 Rating, BB OS&Y Design, and 13Cr Seat
WEISSMILLER Cast Steel BB OS&Y Gate Valve PN25 is designed for shut-off and isolation service in water, steam, oil, gas, utility, and general industrial piping systems. With WCB cast steel body, WCB disc, 13Cr seat, RF flanged connection, PN25 pressure rating, and BB OS&Y rising stem design, this valve provides reliable performance for demanding industrial applications.
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Product Overview
Cast Steel BB OS&Y Gate Valve PN25 is a manual gate valve designed for full open and full close operation. The gate valve construction provides low flow resistance when fully open, making it suitable for isolation service in industrial piping systems.
This valve features a bolted bonnet and outside screw and yoke rising stem design. The OS&Y construction provides clear valve position indication, while the WCB cast steel body and 13Cr seat support reliable shut-off performance for water, steam, oil, gas, and general industrial service.
Key Features
WCB Cast Steel Body
Strong cast carbon steel body construction suitable for industrial pressure and temperature applications.
BB OS&Y Design
Bolted bonnet with outside screw and yoke rising stem design for reliable operation and valve position indication.
PN25 Pressure Rating
Suitable for piping systems requiring PN25 pressure rating compatibility.
13Cr Seat
13Cr seating surface provides improved wear resistance and reliable sealing performance.
RF Flanged Connection
Raised face flanged connection provides secure installation for industrial piping systems.
Handwheel Operation
Manual handwheel operation provides simple and dependable open-close control for isolation service.
Technical Specification
| Item | Specification |
|---|---|
| Product Type | Cast Steel BB OS&Y Gate Valve PN25 |
| Valve Type | Gate Valve |
| Brand | WEISSMILLER |
| Size Range | DN50 – DN600 / 2" – 24" Available Upon Request |
| Example Size | DN125 / 5" |
| Body Material | WCB / Cast Carbon Steel |
| Disc / Wedge Material | WCB / Cast Carbon Steel |
| Seat Material | 13Cr |
| Connection | RF Flange |
| Pressure Rating | PN25 |
| Design Type | BB OS&Y / Bolted Bonnet Outside Screw and Yoke |
| Bonnet Type | Bolted Bonnet |
| Stem Type | OS&Y / Rising Stem |
| Operation | Handwheel Operated |
| Service Type | Shut-Off / Isolation Service |
| Suitable Media | Water, Steam, Oil, Gas, Utility Line, and General Industrial Fluid |
| Application | Power Plant, Oil & Gas, Petrochemical, Utility Line, Process Piping, and General Industrial Service |
| Nameplate Date | 2026.04 |
Product Details
Additional product views showing the WCB cast steel body, RF flanged connection, bolted bonnet construction, OS&Y rising stem mechanism, handwheel operation, body logo, flange drilling, and nameplate detail for easier product identification and technical reference.
Applications
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