Flanged Resilient Seated OS&Y Gate Valve Model No. 1210

Flanged Resilient Seated OS&Y Gate Valve Model No. 1210 Definition and Components

Definition & Main Parts

A Flanged Resilient Seated OS&Y Gate Valve Model No. 1210 is a specific manufacturer's model of an outside screw and yoke gate valve designed for general industrial service. The "1210" designation typically indicates a particular design series or configuration from that manufacturer, often used in fire protection or industrial water systems.

OS and Y Type Gate Valve Main Parts:

• Valve body with ANSI flanges
• Resilient-seated gate (rubber encapsulated)
• OS&Y assembly with visible rising stem
• Yoke, yoke bushing, and handwheel
• Adjustable gland packing system
• Body-bonnet bolting with full-face gasket
• Standard red or industrial gray coating

Role, Characteristics, and Application Scenarios of Flanged Resilient Seated OS&Y Gate Valve Model No. 1210 in Pipelines

Functions:

• Main isolation in fire protection systems
• Industrial water line control
• Pump station isolation valves
• High-reliability shutdown points

Fire gate valve Operational Features:

• Visual position indication (rising stem shows open/closed)
• Easy maintenance - packing adjustable while in service
• UL/FM listed typically for fire service
• Bubble-tight seal with resilient seat
• Industrial grade construction

Typical Applications:

• Fire sprinkler system mains
• Industrial process water lines
• Cooling water systems
• Water treatment plant piping
• Building service mains

Scenario Diagram:

Flanged Resilient Seated OS&Y Gate Valve Model No. 1210 Standards: Materials, Design, and Connections

Fire valve Material Standards:

• Body/Bonnet: Ductile Iron ASTM A536 (Grade 65-45-12)
• Stem: Stainless Steel AISI 416
• Gate: Ductile iron with EPDM encapsulation
• Yoke: Cast iron or ductile iron
• Bolting: ASTM A307 Grade B

Design Standards:

• UL 262 or FM 1120 (for fire protection versions)
• MSS SP-70 (Cast iron gate valves)
• MSS SP-80 (Bronze gate valves - for trim)
• Pressure classes: Class 125, Class 150, Class 250

Connection Standards:

• Flanges: ANSI B16.1 Class 125 or Class 250
• Face-to-face: ANSI B16.10 Table 2 or MSS SP-70
• Gaskets: Full-face rubber per ANSI/AWWA C111
• Ends: Flanged x Flanged standard

How to Select Flanged Resilient Seated OS&Y Gate Valve Model No. 1210

Key Steps:

• Identify Service: Fire protection or industrial water
• Check Requirements: UL/FM listing needed for fire service
• Specify Details: Size, pressure class, end connections
• Select Supplier: Manufacturer with appropriate listings
• Verify Compliance: Request listing certificates

Critical Specifications:

• UL listing number (if for fire protection)
• Pressure class (Class 150 most common)
• Flange drilling (125# or 250#)
• Coating color (red for fire, gray for industrial)
• Position indicator type

Important Considerations:

• Confirm if valve needs UL/FM listing
• Check compatibility with existing systems
• Verify pressure rating matches system requirements
• Consider maintenance access requirements

Pre-Shipment Inspection for Export Flanged Resilient Seated OS&Y Gate Valve Model No. 1210 and Key Considerations

Documentation Check:

• UL Listing Certificate(if applicable)
• FM Approval Certificate(if applicable)
• Material Test Reports(ASTM compliance)
• Pressure Test Certificates
• Installation Instructions

Physical Inspection:

OS&Y Mechanism Check

Smooth rising stem operation

Full travel verification(open to close)

Yoke and stem alignment

Thread condition and protection

UL/FM Specific Requirements

Permanent marking of listing

Proper color coating(red for fire)

Tamper switch provisions if specified

Listed components verification

Pressure Testing

Shell test:2×rated pressure(300 psi for Class 150)

Seat test:1.1×rated pressure(165 psi for Class 150)

Backseat test capability

Packing leakage test

General Inspection

Complete assembly(all bolts,nuts)

Proper coating coverage

Clear identification markings

Flange face condition

Export Packaging:

• Flange protectors:Bolt-on type required
• Stem protection:Thread protectors on exposed stem
• Corrosion prevention:VCI bags for internal cavity
• Wooden crates:For larger sizes(DN150+)
• Color coding:For fire protection valves(red)
• Document pouch:Waterproof for certificates

Key Precautions:

• Listing labels:Protect UL/FM markings during shipping
• Stem protection:Prevent bending of long rising stems
• Moisture control:Extra desiccant for humid destinations
• Heavy items:Proper lifting points marked
• Documentation:Ensure all compliance papers included

Final Shipping Documents:

• Commercial Invoice
• Packing List with item details
• Bill of Lading
• Certificate of Origin
• Technical File(certificates,test reports)
• Installation&Maintenance Manual
• Material Certificates

Flanged Resilient Seated OS&Y Gate Valve Model No. 1210 Size Chart