GRACO 25C535 – Carbon Steel Direct Drive Helix Bung Mount

GRACO 25C535 – Carbon Steel Direct Drive Helix Bung Mount

Carbon Steel Direct Drive Helix Bung Mount agitator designed for reliable mixing in industrial drum applications with durable construction and efficient helix impeller design

Radial piston air motor driven agitators are reliable, simple and cost-effective solutions for low to medium speed (<500 rpm), low to medium viscosity (<1000 cp) agitation applications.

For wood (top coat, primer) and general finishing applications

Recommended agitator rotation: Clockwise

Sound pressure level at 70 psig (maximum recommended speed): Less than 75 dBA

Maximum allowable process fluid temperature: 158° F (70° C)

Additional Specifications

Material: Carbon Steel

Agitator Rotation: Clockwise

Max Material Viscosity: 1,000 cP

Mount Type: Bung Mount

Recommended Agitator Rotation: Clockwise

Drive Type: Direct Drive

Configuration: Helix

Socket Head Screw Torque: 150-170 in-lbs (17-19 Nm)

Hex Head Cap Screw Torque: 80-100 in-lbs (9-11 Nm)

Minimum Clearance: 1 in. (25.4 mm) between rotating agitator parts and container

Air Inlet Size (in)	1/4
Air Inlet Thread Type	NPT
Maximum Air Inlet Pressure (psi)	70
Maximum Speed (RPM)	500
Maximum Viscosity (cP)	1000
Maximum Working Pressure (psi)	70
Motor Type	Pneumatic – Radial Piston
Type	Agitator
Weight (lb)	16
Wetted Material	Stainless Steel, Fluoroelastomer, Acetal

Features

Carbon steel construction for durability

Direct drive design for efficient power transfer

Helix impeller for effective mixing

Bung mount design for easy drum installation

Handles materials up to 1,000 cP viscosity

Applications

Industrial drum mixing

Medium viscosity material agitation

Chemical processing

Paint and coating mixing

Compatible Equipment

container cover installations

modified drums

Related Parts

25C528 – Stainless Steel Direct Drive, 30/55 Gal, One Stainless Steel 5.5″ Propeller

25C533 – Carbon Steel Direct Drive 30/55 Gal, Two Aluminum 5.5″ Propellers

25M481 – Stainless Steel Direct Drive, 30/55 Gal, One Stainless Steel 8″ Impeller

25C529 – Carbon Steel Direct Drive, 55 Gal, Side Mount, Two Aluminum 5.5″ Propellers

25C530 – Stainless Steel Direct Drive Agitator, 55 Gal, Bung Mount, Expanding Blade

25C534 – Stainless Steel Direct Drive Helix Bung Mount

25N881 – In-Drum 1.5″ Bung Mount

25N882 – In-Drum 2″ Bung Mount

Manual reference 3A4792. Part of GRACO’s direct drive agitator family with various mounting and impeller configurations available. Part has CE marking with explosion-proof certifications: II 1/2 G Ex h IIB T4 Ga/Gb, CML 24ATEX6027X, IECEx CML 24.0020X, operating temperature 0°C Tamb 50°C Install agitator in container cover by screwing helix through drum bung hole and screwing agitator housing into the bung hole. Requires checking for interference between base of drum and shaft to avoid sparks from contact. Keep agitator tightly mounted to drum bung to prevent damage to threads from vibration.

Reference Manuals

345130 (Page 3) Radial Piston Agitator

3A4792 (Page 2) Air-Driven Agitators, Instructions-Parts List