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Dungs Screw Based Orifice

  • $165.26

PART # SBO-677

DESCRIPTION: 2" NPT BORE 1.450"; BETA RATIO 0.725, HEAD LOSS 48%; 2350 CFH PART # 269261



½” - 2” NPT; rated 250 PSI

Low cost metering device permits accurate setting of burner air and gas flow for optimum efficiency.

+/- 1 % accuracy depending on location, measurement accuracy and proper use of correction factors.

One piece machined brass connection

Includes brass hex-head screws to plug holes when mea­surements are not being taken.

For temperatures up to 300 °F.

1/8” NPT pressure taps.



Technical Literature

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