Featured Handhole Plates
Overview
Drop Forged Steel Replacement Boiler Handhole Plates and Yokes – Now Available through Oswald Supply!
OSCO’s ability to provide quality forged products assures maximum safety in Boiler Handhole Plates and Yokes.
All OSCO Forged Steel covers and yokes are forged from fine grain quality steel. They are heat treated to increase toughness and strength- withstanding impact, shock, vibration, stress and fatigue.
OSCO Forged Steel boiler covers are designed for maximum safety, meeting the demands of higher operating temperatures and pressures.
OSCO Forged Steel Handhole Cover Yokes conform to ASME boiler and Pressure Vessel Code requirements and SA-105 carbon steel.
Product(s) Description
“100 Series” Elliptical Handhole Plates (D2300)

- Elliptical, 3” X 4”, Integral Stud, Flat and Curved. (Over 15 different curves, regularly stocked) SA105
- Pressure Tested and Temperature Rated following ASME
“200 Series” Elliptical Handhole Plates (D2301)

- Elliptical, 3 ½” x 4 ½”, Integral Stud, Flat and Curved. (over 5 different curves, regularly stocked) SA105
- Pressure Tested and Temperature Rated following ASME
“100_OB” Obround Handhole Plates (D3173)

- Obround, 3” x 4”, Integral Stud (off-set), Flat Only. SA105
- Follows ASME Guidelines and Regulations
“FY1” Yokes (D2302)
- 2- Prong Yoke, for 3” x 4” Handhiole Plates. SA105

Elliptical Handhole plates (D3500 and D3501)
- (LEFT) 2- Prong Yoke, for 3” x 4” Handhiole Plates. SA105
- (RIGHT) 3” x 4” Elliptical, curved on both short and long axis


Weld Rings
Retro-fit design for Elliptical Flat Forged Steel Handhole plates
Patch Plates
Curved to order for Elliptical Forged Steel Plates
Related Resources/Literature (OSCO Website Only)
Handhole_Plate_Curve_DiagramHandhole_Plate_PHH100OB_Dimensions
Handhole_Plate_PHH100200_Dimensions
Handhole_Yoke_FY1_Dimensions
HHMH_FAQ