Engineered to excel in the most challenging environments, the 221 Bronze Globe Valve delivers unmatched reliability in high-pressure steam, oil, gas, and chemical systems. Built to MSS-SP-80 standards, this valve combines rugged bronze construction with advanced PTFE disc technology, offering precision flow control and effortless maintenance for industrial professionals.
Key Features & Benefits
- Ultra-High Pressure Rating: Certified for 150 PSI steam (WSP) and 300 PSI water/oil/gas (WOG)—ideal for heavy-duty industrial and energy applications.
- PTFE Disc Excellence: Chemically inert, non-reactive disc resists corrosion, extreme temperatures (up to 500°F), and aggressive media like acids or solvents.
- Tool-Free Union Bonnet: Enables rapid disassembly for maintenance without detaching the valve from pipelines—minimizing downtime in critical systems.
- Bronze Body Durability: Superior corrosion resistance for longevity in marine, chemical, or high-temperature environments.
- Threaded Ends (NPT): ASME B1.20.1-compliant threads ensure leak-proof, standardized connections.
- MSS-SP-80 Compliance: Meets rigorous safety and performance benchmarks for industrial infrastructure.
Technical Specifications
- Material: Bronze body, PTFE disc; graphite/PTFE packing.
- Connection: Female National Pipe Threads (FNPT x FNPT).
- Design: Union bonnet, threaded ends, PTFE disc.
- Standards: MSS-SP-80, ASME B1.20.1.
Ideal Applications
- High-pressure steam boilers and power generation plants
- Oil and gas refineries with corrosive or abrasive media
- Chemical processing and petrochemical facilities
- Marine and offshore installations exposed to saltwater
- Municipal water treatment and HVAC systems
Why Choose the 221 Bronze Globe Valve?
This valve’s PTFE disc and union bonnet design make it indispensable for industries requiring zero-compromise reliability. Whether managing 300 PSI oil pipelines or corrosive chemical flows, the 221 ensures precision control, effortless maintenance, and compliance with the strictest industry standards.
Upgrade to the 221 – where extreme pressure meets industrial ingenuity.
Dimensions & Weights (inches-lbs.)
| Size | ⅜ | ½ | ¾ | 1 | 1¼ | 1½ | 2 |
|---|---|---|---|---|---|---|---|
| D | 2.48 | 2.76 | 3.15 | 3.54 | 3.94 | 4.33 | 4.92 |
| d1 | 0.49 | 0.59 | 0.79 | 0.98 | 1.26 | 1.58 | 1.97 |
| H | 4.09 | 3.86 | 4.72 | 5.12 | 5.98 | 6.65 | 7.60 |
| L | 2.28 | 2.44 | 2.84 | 3.23 | 3.62 | 4.17 | 4.92 |
| S | 1.02 | 1.10 | 1.38 | 1.69 | 2.05 | 2.28 | 2.84 |
| Cv | 2 | 3.5 | 6.5 | 12 | 21 | 30 | 49 |
| Wt.- lbs. | 0.88 | 0.90 | 1.43 | 2.01 | 3.11 | 4.61 | 7.01 |
Materials & Specifications
| Item | Description | Material | Specification |
|---|---|---|---|
| 1 | Body | Cast Bronze | B62-C83600 |
| 2 | Bonnet (1"–3") | Bronze | B62-C83600 |
| 2 | Bonnet (⅜"–¾") | Brass | B124-C37700 |
| 3 | Soft Seat (2½"–3") | PTFE | PTFE |
| 3 | Soft Seat (⅜"–2") | R-PTFE | R-PTFE |
| 4 | Disc Holder (1½"–3") | Bronze | B62-C83600 |
| 4 | Disc Holder (1¼") | Brass | B283-C37700 |
| 4 | Disc Holder (⅜"–1") | Brass | B124-C37700 |
| 5 | Stem | Brass | DR Alloy |
| 6 | Union Nut (1¼"–3") | Bronze | B62-C83600 |
| 6 | Union Nut (⅜"–1") | Brass | B283-C37700 |
| 7 | Gasket (⅜"–1") | Compressed | T#1995 |
| 8 | Lock Nut (1¼"–3") | Brass | B16-C36000 |
| 9 | Seat Holder (1¼"–3") | Brass | B36-C26000 |
| 10 | Disc Nut | Brass | B16-C36000 |
| 11 | Gland (¾"–3") | Brass | B124-C37700 |
| 12 | Packing Nut (2½"–3") | Bronze | B62-C83600 |
| 12 | Packing Nut (⅜"–2") | Brass | B283-C37700 |
| 13 | Gland packing | Plastic/Graphite | T#2996NA |
| 14 | Handwheel | Alum. Alloy | B85-SC114A |
| 15 | Wheel Nut | Zinc Plated | A563-A |
| 16 | Name Plate | Aluminum | B209-1100 |
| 17 | Bonnet Bolt (2½–3") | Steel | A36 |
| 18 | Bonnet Bolt Nut (2½"–3") | Steel | B16-C36000 |