Fire Fighting Valves — LUBI Valves
OS&Y Gate Valve (Grooved)
Outside screw & yoke resilient seated gate valve with grooved ends for fire protection systems.
Product ImageP70
Product Overview
The OS&Y (Outside Screw and Yoke) Gate Valve with grooved ends is a critical component for fire protection systems, providing reliable shut-off with full visual stem position indication. The resilient EPDM seat provides drip-tight shut-off, and the grooved ends allow for fast, economical installation using mechanical couplings. FM and UL approved for fire sprinkler service.
Product Highlights
FM/UL approved for fire service
Rising stem gives instant visual position feedback
Grooved ends for fast coupling installation
Resilient EPDM seat with drip-tight seal
Key Features
FM/UL approved
Ductile iron body
Resilient EPDM seat
Rising stem indicator
Technical Details
Size range: DN50 to DN300 (2 inch to 12 inch)
Pressure rating: PN16 / 300 PSI
Body material: Ductile iron GGG40/GGG50
Seat: Resilient EPDM
Stem: Rising stem (OS&Y) for visual indication
End connection: Grooved per ANSI/AWWA C606
Operation: Handwheel
Technical Specifications
| Sizes | DN50-DN300 |
| Rating | PN16 / 300 PSI |
| Body | Ductile iron GGG40 |
| Seat | Resilient EPDM |
| Connection | Grooved (ANSI/AWWA C606) |
| Operation | Handwheel |
| Approvals | FM, UL |
| Standard | AWWA C509 |
Applications
Fire sprinkler system mains
Fire pump connections
Fire department connections
Standpipe system control
Industrial fire protection
Precautions & Safety Notes
Do not use for throttling, gate valves are for isolation only
Operate stem fully open or fully closed
Inspect handwheel and stem threads before installation
Ensure grooves are within dimensional tolerance per AWWA C606
Paint-lock indicator must be intact for fire code compliance
Inquiry
Request Pricing
Share the exact requirement for OS&Y Gate Valve (Grooved) and we will respond with availability, commercial terms and the most suitable variant.
Send Enquiry2-4 hr response
Pan-India delivery
Call for inquiry
+91 76001 00986
Why Forceel
Structured catalogue with clear application context
Commercial support for exact product matching
Responsive pan-India supply coordination
Genuine brand-backed product lines
Helpful enquiry flow for replacements and new projects
After-sales follow-up when specifications matter
Ordering Information
Specify size (DN), end connection type, and supervisory switch requirements. Tamper switches available for monitored fire systems.
