Gorman-Rupp 81 1/4A3-X.50 1.25″ Self Priming Explosion Proof Centrifugal Pump

• Size: 1 1/4” x 1 1/4” (31,8 mm x 31,8 mm) NPT ‐ Female.
• Casing: Gray Iron 30.
  Maximum Operating Pressure 24 psi (165 kPa).*
• Semi‐Open Type, Five Vane Impeller: Copper Alloy C93700.
  Handles 1/4” (6,4 mm) Spherical Solids.
• Impeller Shaft: Stainless Steel 416 (Provided with Motor).
• Replaceable Vane Plate: Gray Iron 30.
• Intermediate Bracket: Gray Iron 30.
• Gasket: Vegetable Fiber.
• O‐Ring: Buna‐N.
• Internal Wetted Hardware: Copper Alloy and Standard Plated Steel.
• External Hardware: Standard Plated Steel.

SEAL DETAIL Type 21, Mechanical, Self‐Lubricated. Carbon Rotating Face. Ni‐Resist Stationary
Face. Fluorocarbon Elastomers (DuPont Viton or
Equivalent). Stainless Steel 18‐8 Cage and Spring.
Maximum Temperature of Liquid Pumped, 160F.
(71C.)