RED-WHITE VALVE CORP.  |  SKU: 30077811  |  MPN: 221 1/2

Bronze Threaded Globe Valve | 221 Series | PTFE Disc | 300# WOG

$56.25
  • Rugged Bronze Construction — Cast bronze body with union bonnet ensures long-term durability and corrosion resistance.
  • PTFE / RPTFE Soft Seat — Delivers reliable, leak-free performance with chemical and thermal resistance.
  • Threaded FNPT Ends — Easy-to-install NPT connections suitable for commercial and industrial piping.
  • Union Bonnet Design — Simplifies maintenance and inspection without removing the valve from service.
  • Rated 300 WOG / 150 WSP — Meets MSS-SP-80 specifications for reliable high-pressure operation.

Bronze Threaded Globe Valve | 221 Series | FNPT × FNPT | 150# WSP / 300# WOG

Red-White Valve’s 221 Bronze Threaded Globe Valve combines premium bronze construction with a union bonnet design and PTFE disc for reliable sealing performance in high-pressure water, oil, gas, and steam systems. Designed to MSS-SP-80 standards, this industrial-grade valve is ideal for mechanical systems, HVAC, and OEM equipment requiring long-term durability and smooth flow control.

Key Features & Benefits

  • Pressure Rating — 150 PSI Steam (WSP) / 300 PSI Water, Oil & Gas (WOG) for demanding applications.
  • Heavy-Duty Bronze Body — Cast from ASTM B62-C83600 bronze with brass internals for corrosion resistance and long service life.
  • PTFE / RPTFE Disc — Soft-seated design provides reliable shutoff and excellent chemical compatibility.
  • Union Bonnet Design — Simplifies maintenance while ensuring tight, leak-free operation.
  • Threaded FNPT Ends — Standard ASME B1.20.1 threads allow easy installation without welding or soldering.
  • MSS-SP-80 Compliant — Meets industry dimensional and performance standards for bronze valves.

Technical Specifications

Parameter Details
Pressure Rating 150# WSP / 300# WOG
Body & Bonnet Cast Bronze (ASTM B62-C83600)
Stem Brass (DR Alloy)
Seat/Disc PTFE (2½″–3″) / RPTFE (⅜″–2″)
Connection Type FNPT × FNPT (ASME B1.20.1)
Bonnet Type Union Bonnet
Compliance MSS-SP-80

Dimensions / Weights (inches-lbs.)

Size D d₁ H L S Cv Wt. [lb]
⅜″ 2.48 0.49 4.09 2.28 1.02 2 0.88
½″ 2.76 0.59 3.86 2.44 1.10 3.5 0.90
¾″ 3.15 0.79 4.72 2.84 1.38 6.5 1.43
1″ 3.54 0.98 5.12 3.23 1.69 12 2.01
1¼″ 3.94 1.26 5.98 3.62 2.05 21 3.11
1½″ 4.33 1.58 6.65 4.17 2.28 30 4.61
2″ 4.92 1.97 7.60 4.92 2.84 49 7.01
2½″ 5.51 2.52 9.96 6.69 3.62 87 12.80
3″ 6.30 3.15 11.02 7.87 4.21 148 25.75

Material Construction

# Part Material Specification
1 Body Cast Bronze B62-C83600
2 Bonnet Bronze (1″–3″) / Brass (⅜″–¾″) B62-C83600 / B124-C37700
3 Soft Seat PTFE (2½″–3″) / RPTFE (⅜″–2″) PTFE / RPTFE
4 Disc Holder Bronze (1½″–3″) / Brass (⅜″–1¼″) B62-C83600 / B124-C37700
5 Stem Brass DR Alloy
6 Union Nut Bronze (1¼″–3″) / Brass (⅜″–1″) B62-C83600 / B283-C37700
7 Gasket Compressed Fiber (⅜″–1″) T#1995
8 Lock Nut Brass B16-C36000
9 Seat Holder Brass B36-C26000
10 Disc Nut Brass B16-C36000
11 Gland Brass B124-C37700
12 Packing Nut Bronze (2½″–3″) / Brass (⅜″–2″) B62-C83600 / B283-C37700
13 Gland Packing Plastic/Graphite T#2996NA
14 Handwheel Aluminum Alloy B85-SC114A
15 Wheel Nut Zinc-Plated Steel A563-A
16 Name Plate Aluminum B209-1100
17 Bonnet Bolt Steel (2½″–3″) A36
18 Bonnet Bolt Nut Steel (2½″–3″) B16-C36000

Warning (California Prop 65): This product can expose you to chemicals including lead, known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.