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Galvanized hex bushing, silver-grey malleable iron, threaded ends

Value Brand

Value Brand Galvanized Hex Bushing 2" MNPT x 3/4" FNPT Class 150

SKU CH-DF2K-X9W37

Galvanized malleable iron hex bushing reduces 2 inch male NPT to 3/4 inch female NPT for Class 150 piping systems

  • Galvanized malleable iron resists corrosion in water systems
  • Class 150 rating handles 300 psi at 150 °F WOG
  • Meets ASME B16.3, B16.4, ASTM A47 and A197 standards
  • FM approved and UL listed for fire-protection use
  • NSF-61 and AB1953 certified for potable-water contact

Product identity

The Value Brand galvanized hex bushing connects a 2 inch male NPT thread to a 3/4 inch female NPT thread in Class 150 piping systems. It is intended for installers joining dissimilar pipe sizes in water, oil or gas lines.

Thermals noise power

The malleable iron body handles saturated steam at 150 psi and water, oil or gas at 300 psi at 150 degrees F. No moving parts generate noise or draw power during normal operation.

Accessories impact

The fitting carries FM approval and meets ASME B16.3, B16.4, ASTM A197, A47, NSF-61, AB1953 and UL listings for potable water and fire protection use. California Proposition 65 warnings apply for cancer and reproductive harm.

Highlights

  • Galvanized malleable iron resists corrosion in water systems
  • Class 150 rating handles 300 psi at 150 °F WOG
  • Meets ASME B16.3, B16.4, ASTM A47 and A197 standards
  • FM approved and UL listed for fire-protection use
  • NSF-61 and AB1953 certified for potable-water contact

Specifications

BrandZORO SELECT

Questions about this item

How do I install the 2" MNPT x 3/4" FNPT galvanized hex bushing without stripping the threads?

Apply PTFE tape or pipe dope to the male NPT threads only, then hand-tighten before using a wrench on the hex flats; the step most people skip is stopping at one to two turns past hand-tight, because over-torquing the malleable iron can crack the fitting or split the female port.

Will the galvanized coating on this Class 150 hex bushing need replacement or recoating during its service life?

The hot-dip galvanizing on the malleable iron body is integral to the casting and does not require recoating; if the zinc layer is mechanically damaged, the fitting should be replaced rather than field-coated, because touch-up compounds do not restore the original corrosion rating.

What pressure or temperature limit will be reached first when this bushing runs continuously at 150 °F saturated steam?

The saturated steam rating of 150 psi is the governing limit; at 150 °F the water-oil-gas rating allows 300 psi, but steam service is capped at the lower 150 psi figure per ASME B16.3.

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