RED-WHITE VALVE CORP.  |  SKU: 30077747  |  MPN: RW-504 1/2

Brass Boiler Drain | RW-504 | 1/2" MNPT x Hose Thread | 125 CWP Rating

$11.70
Size | Connection Type | Min Order Qty (MOQ)
  • Durable Brass Construction: Made with high-quality brass (ASTM B283 C37700) for enhanced corrosion resistance and long-lasting performance.
  • NSF Approved Gaskets: Features NSF-approved NBR 70SH seat gasket and PTFE bonnet gasket for secure sealing and reliability.
  • Threaded Connection: Available in 1/2" and 3/4" FNPT x Hose threaded ends, with an optional copper tube solder joint for versatile installation.
  • High Pressure Rating: Rated for 125 CWP, with maximum temperature of 180°F, ensuring reliable operation under high pressure and temperature conditions.
  • No Kink Spout: Designed to provide an easy, kink-free operation for smoother water flow and improved drainage performance.

The RW-504 Brass Boiler Drain Valve is a high-quality, durable solution designed for efficient draining of boilers and other systems requiring reliable fluid control. Built with a robust brass body and compatible with various connections, this valve is engineered to withstand high working pressures and temperatures.

Key Features:

  • Material: Made with high-quality brass (ASTM B283 C37700) for superior durability and resistance to corrosion.
  • Pressure & Temperature Rating: Rated for 125 CWP and up to 180°F maximum temperature, ensuring reliable performance in demanding conditions.
  • Size Options: Available in ½” and ¾” sizes, with a variety of connection types, including MNPT and hose thread ends, suitable for various system configurations.
  • NSF Approved Gaskets: Equipped with NBR 70SH NSF-approved seat gasket and PTFE bonnet gasket for leak prevention and enhanced sealing.
  • Ease of Use: Featuring a handwheel made of steel for easy operation and a no-kink spout for smooth flow control.
  • Reliable Construction: Brass body, steel nut, and aluminum disc ensure longevity and superior functionality.

Specifications:

  • Connection Type: MNPT x Hose Threaded end, also accepting copper tube for solder joints (for the ½” size).

Working Pressure & Temperature:

  • Max Pressure: 500 PSI at 100°F, 400 PSI at 150°F, 300 PSI at 200°F, 200 PSI at 250°F.
  • Max Working Temperature: 180°F.

Safety Warning: This product may expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Applications:

The RW-504 Brass Boiler Drain Valve is ideal for use in heating systems, boilers, and other water-based systems that require a durable and effective drainage solution. Its reliable performance and corrosion-resistant materials make it a top choice for both residential and commercial applications.

Dimension

Size T S [in] F A [in] C [in] H [in] B [in] P [in] D [in] Wt. L [lb]
1/2" 1/2-14 NPT 0.627-0.631 3/4-11.5NH 1.46 0.61 3.43 2.09 0.51 0.47 0.44
3/4" 3/4-14 NPT - 3/4-11.5NH 1.46 0.62 3.44 2.09 0.51 0.47 0.46
Pressure Rating Max Temperature
125 CWP 180°F
Solder Used Temp (°F) Max Pressure (PSI)
95-5 Tin Antimony
(ASTM B32 Grade 95TA)
100 500
150 400
200 300
250 200

Material

Item Part Material Specification
1 Body Brass ASTM B283 C37700
2 Stem Brass ASTM B124 C37700
3 Seat gasket NBR 70SH NSF approved
4 Bonnet gasket PTFE -
5 Bonnet Brass ASTM B283 C37700
6 Packing ring PTFE -
7 Packing nut Brass ASTM B124 C37700
8 Handwheel Steel -
9 Disc Aluminum -
10 Nut Steel (Zn plated) ASTM A36
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