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  • (PHH251C) 3-1/2 X 4-1/2, Forged Steel, Elliptical, Curved 51R. Handhole Assembly, Less Ring.
  • Assembly Includes: Handhole Plate, Poly Gasket, Yoke, stud/bolt, Nut and Washer.
  • Pressure Tested and Temperature Rated According to ASME Guidelines and Regulations.
More Information
Brand OSCO
Manufacturer # PHH251C
Flat/Curved Curved
Curved Axis Long Axis
Curved Radius 51
Width 3.5
Length 4.5
Shape Elliptical
Bolt Type Solid Bolt
Bolt Size 7/8 inch
Material Make Meets ASME material specs for SA105
Our Casting # PHH251
Mill Test Reports Available
Gasket Shape Elliptical
Compatible Boiler Scotch Marine, Sellers