RED-WHITE VALVE CORP.  |  SKU: 30075260  |  MPN: 5581 1/2

Brass Ball Valve | 5581 Series | Male x Female Threaded | Full Port | 600 WOG

$11.60
  • Forged Brass Body with Full Port Flow – Allows maximum flow with minimal pressure drop, outperforming standard port valves.
  • Dual-Threaded Design – Male x Female NPT ends offer versatile installation compared to standard F x F valves.
  • High Pressure Rating – Rated to 600 PSI WOG and 150 PSI Steam, suitable for demanding water, oil, and gas systems.
  • Temperature Resilient – Operates effectively from 15°F to 366°F for consistent performance under heat.
  • Blow-Out Proof Stem with Adjustable PTFE Packing – Ensures safe, long-term operation with reduced maintenance needs.

Brass Ball Valve | 5581 Series | Male x Female Threaded | Full Port | 600 WOG

The 5581 Series Brass Ball Valve offers exceptional performance and durability in demanding fluid control applications. Featuring a forged brass body with full port design and male x female NPT threaded ends, this valve provides versatile installation and superior flow capacity while maintaining leak-free performance across water, oil, gas, and steam systems.

Built for reliability, the valve includes a chrome-plated brass ball, PTFE seats, and adjustable packing for smooth operation and easy maintenance. The blow-out proof stem ensures long-term safety even under high pressure, making it a trusted choice for both residential and industrial use.

Key Features

  • Forged Brass Construction: ASTM B283 C37700 body and end piece provide high strength and corrosion resistance.
  • Full Port Design: Allows unrestricted flow with minimal pressure drop (Cv up to 360).
  • 600 PSI WOG / 150 PSI WSP: Handles water, oil, gas, and steam systems with consistent reliability.
  • Male x Female Threaded Ends: Built to ASME B1.20.1 NPT standards for secure, leak-free connections.
  • Adjustable PTFE Packing: Enables long service life with easy maintenance and minimal downtime.
  • Blow-Out Proof Stem: Prevents stem ejection under pressure for added safety.
  • Steel Handle with PVC Sleeve: Ergonomic, corrosion-resistant control for everyday use.

Applications

  • HVAC systems and mechanical piping
  • Industrial and process control systems
  • Water treatment and filtration setups
  • Oil, gas, and steam service up to 150 PSI
  • Commercial and residential plumbing

Dimensions, Weights (inches-lbs.) & Valve Data

Size B (in) C (in) E (in) Cv Weight (lb)
1/2″ 2.35 1.80 3.40 15 0.47
3/4″ 2.50 1.95 3.40 30 0.67
1″ 3.00 2.30 4.70 60 1.16
1-1/4″ 3.40 2.50 4.70 110 1.87
1-1/2″ 3.60 2.90 5.30 130 2.74
2″ 4.20 3.20 5.30 360 4.07

Pressure / Temperature Ratings

Pressure / Temperature Ratings
600 PSI from 15°F to 160°F 150 PSI Max at 366°F

Materials & Specifications

Item Description Material Specification
1 Body Brass B283 C37700
2 Seat PTFE PTFE
3 Ball Brass / Chrome Plated B283 C37700
4 End Piece Brass B283 C37700
5 Stem Brass B124 C37700
6 Packing PTFE PTFE
7 O-Ring NBR NBR
8 Packing Nut Brass B124 C37700
9 Handle Steel A36
10 Handle Sleeve PVC PVC

⚠ California Proposition 65 Warning:
This product contains chemicals including lead, known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.