Women Owned Business Enterprise
RED-WHITE VALVE CORP.  |  SKU: 30075227  |  MPN: 5042 1/2

Auto Drain Brass Ball Valve | 5042 Series | Full Port | FNPT Threaded Ends | 600 WOG

$27.60
  • Forged Brass Body, Full Port Design – Provides high flow efficiency and superior durability under heavy use.
  • Automatic Drain Port Integrated in Body – Eliminates separate drain valves to save time and reduce leak risks.
  • Rated 600 PSI WOG – Reliable for hydronic, plumbing, and utility systems operating between 15°F and 140°F.
  • Lockable Handle with Blowout-Proof Stem – Ensures operator safety and prevents unauthorized adjustment.
  • PTFE Seats and Adjustable Packing – Deliver long-term sealing performance with low maintenance requirements.
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Auto Drain Brass Ball Valve | 5042 Series | Full Port | FNPT Threaded Ends | 600 WOG

The 5042 Auto Drain Brass Ball Valve is designed for dependable shutoff and automatic system drainage in HVAC, hydronic, and plumbing systems. Built from forged brass and rated for 600 PSI WOG, it ensures long-term performance, safety, and ease of use across residential and commercial installations.

Its integrated automatic drain port helps prevent freezing, relieve pressure buildup, and eliminate moisture accumulation without requiring a separate drain valve. Combined with threaded FNPT ends, a blowout-proof stem, and lockable handle, this valve provides reliable operation for demanding conditions.

Key Features

  • Forged Brass Construction: Built to handle high pressure and temperature applications with superior strength and corrosion resistance.
  • Automatic Drain Port: Self-draining design protects against freeze-ups and water hammer, minimizing maintenance needs.
  • Full Port Flow: Allows unrestricted flow through the valve for optimal system efficiency.
  • 600 PSI WOG Rating: Operates reliably between 15°F and 140°F.
  • Blowout-Proof Stem: Ensures operator safety and prevents accidental disassembly under pressure.
  • Lockable Zinc Handle: Dacromet-coated steel handle provides corrosion protection and tamper-resistant operation.
  • Threaded FNPT Ends: Easy to install in standard pipe fittings for both new and retrofit systems.
  • Adjustable PTFE Packing: Provides smooth, leak-free performance and long service life.

Applications

  • HVAC and hydronic heating systems
  • Compressed air and utility piping
  • Water lines requiring automatic drainage
  • Industrial and residential plumbing systems

Pressure / Temperature Rating

  • 600 PSI WOG: from 15°F to 140°F

Dimensions, Cv, Weight

Size A (in) C (in) H (in) L (in) P (in) Cv Weight (lb) Drain Size (in)
1/2″ 2.13 0.55 2.13 3.60 0.59 15 0.6 0.16
3/4″ 2.56 0.59 2.26 3.60 0.79 30 0.85 0.16
1″ 2.91 0.71 2.57 4.98 0.98 60 1.4 0.16
1-1/4″ 3.39 0.73 2.79 4.98 1.26 110 2.1 0.16
1-1/2″ 3.90 0.77 3.28 5.57 1.57 130 3.1 0.16
2″ 4.45 0.81 3.58 5.57 1.97 360 5.0 0.16

Material

Item Part Material Specification
1 Body Brass B283 C37700
2 End Piece Brass B283 C37700
3 Ball Brass / Chrome-Plated B283 C37700
4 Seat PTFE PTFE
5 Stem Brass B124 C37700
6 Packing PTFE PTFE
7 Packing Nut Brass B124 C37700
8 Handle Zinc-Plated Steel A36 Dacromet
9 Handle Nut Zinc-Plated Steel A36 Dacromet

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