Stainless Steel Ball Valve | 4550 Series | Threaded Ends | Reduced Port | 1000 WOG
Stainless Steel Ball Valve | 4550 Series | Threaded Ends | Reduced Port | 1000 WOG
The Red-White Valve 4550 Stainless Steel Ball Valve combines high-pressure capability with long-term corrosion resistance in a compact one-piece design. Made from CF8M (A316) stainless steel, this reduced-port valve delivers reliable shutoff performance for plumbing, HVAC, and industrial applications involving water, oil, gas, or steam.
Featuring threaded ANSI B16.34 ends and reinforced PTFE seats, the 4550 ensures secure sealing and smooth operation. Its blow-out proof stem, locking stainless steel handle, and vinyl grip sleeve enhance both safety and operator comfort. Engineered to meet MSS-SP-110 standards, this valve provides lasting value in demanding service conditions.
Key Features
- 1000 WOG / 100 WSP Rated: Handles up to 1000 psi for water, oil, or gas and 100 psi at 366°F for steam applications.
- One-Piece CF8M Stainless Steel Body: Provides superior corrosion resistance and high-pressure strength.
- Reduced Port Design: Ensures efficient flow control with minimal turbulence.
- Threaded Ends (ANSI B16.34): Compatible with standard NPT systems for quick installation.
- Reinforced PTFE Seats: Maintain tight sealing under pressure and temperature fluctuations.
- Locking Handle & Blow-Out Proof Stem: Prevents accidental operation and increases system safety.
- Compliant with MSS-SP-110: Manufactured to meet or exceed industry performance standards.
Dimensions & Weight (inches-lbs.)
| Size | d | E | H | L | Weight (lb) |
|---|---|---|---|---|---|
| 1/4″ | 0.18 | 3.03 | 1.34 | 1.59 | 0.14 |
| 3/8″ | 0.27 | 3.34 | 1.39 | 1.89 | 0.28 |
| 1/2″ | 0.36 | 3.85 | 1.69 | 2.24 | 0.38 |
| 3/4″ | 0.49 | 3.85 | 1.90 | 2.32 | 0.64 |
| 1″ | 0.63 | 4.21 | 2.36 | 2.77 | 0.97 |
| 1-1/4″ | 0.78 | 4.21 | 2.42 | 3.05 | 1.56 |
| 1-1/2″ | 0.97 | 5.32 | 2.77 | 3.25 | 2.02 |
| 2″ | 1.26 | 5.63 | 3.27 | 3.91 | 3.00 |
Pressure & Temperature Ratings
| Pressure | Max Temperature |
|---|---|
| 1000# WOG | 100 psi at 366°F |
Material & Specifications
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Handle Sleeve | Vinyl | — |
| 2 | Handle | Stainless Steel | A276 304 |
| 3 | Locking Device | Stainless Steel | A276 304 |
| 4 | Handle Nut | Stainless Steel | A276 304 |
| 5 | Stem Washer | Stainless Steel | A276 304 |
| 6 | Washer | Stainless Steel | A276 304 |
| 7 | Packing | PTFE | — |
| 8 | Washer | PTFE | — |
| 9 | Stem | Stainless Steel | A276 304 |
| 10 | Gasket | PTFE | — |
| 11 | Seat Retainer | Stainless Steel | A276 316 |
| 12 | Ball | Stainless Steel | A276 316 |
| 13 | Seat | PTFE | — |
| 14 | Body | Stainless Steel | A316 CF8M |
| 15 | Washer | Stainless Steel | A276 304 |
⚠ California Proposition 65 Warning:
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.