Babbitt Chain Wheels & Pocket Wheels For Valves | Boiler Supplies Standard Ductile Iron Chainwheels
Standard Chainwheels are our most economical model for operating valves in high, normally out of reach locations. Chainwheels easily attach to the hand wheel of valves ranging from 2”- 36” in diameter. Available in cast iron, ductile iron, aluminum, epoxy coated, and galvanized.
Ductile iron chainwheels with malleable iron guide arms. All of these units come complete with rim, chain guide, zinc-plated carbon steel attachment set, and instructions for installation.
**Special attachment clamps for 5 wheel will accommodate up to 36" valve handwheel
Chain Wheel uses Brass Chain.
| Babbitt Part # / Wheel Size # | DIRG-0 | DIRG-1 | DIRG-1.5 | DIRG-2 | DIRG-2.5 | DIRG-3 | DIRG-3.5 | DIRG-4 | DIRG-4.5 | DIRG-5 |
|---|---|---|---|---|---|---|---|---|---|---|
| A- OVERALL HEIGHT | 4-5/8" | 6-3/8" | 7-3/4" | 10-1/2" | 12-1/2" | 15-1/2" | 18-1/2" | 21-1/2" | 25-3/4" | 30-1/4" |
| B- INNER BOLT CIRCLE | 1-1/2" | 2-1/2" | 3-1/2" | 4-1/2" | 5-1/2" | 8-1/2" | 11-1/2" | 11-1/2" | 14-1/2" | 18-3/4" |
| C- OUTER BOLT CIRCLE | 1-7/8" | 3-1/2" | 5" | 6-5/8" | 9-1/4" | 12-3/8" | 15-1/2" | 17-3/4" | 21-1/4" | 25-1/4" |
| D- HUB OPENING (DIA) | 1/2" | 7/8" | 1" | 2-1/8" | 2-1/8" | 2-1/8" | 3" | 3" | 3" | 3" |
| E- SLOT SIZE (WIDTH) | 1-5/16" | 3/8" | 3/8" | 3/8" | 7/16" | 7/16" | 7/16" | 5/8" | 5/8" | 5/8" |
| F- REAR OPENING | 3/4" | 1-1/2" | 1-7/8" | 3-1/8" | 3-1/2" | 3-1/2" | 4-7/8" | 4-7/8" | 4-5/8" | 4-3/4" |
| G- HUB DEPTH (SHOULDER TO REAR) | 1-1/8" | 1-1/2" | 1-7/16" | 1-3/8" | 1-3/4" | 1-7/8" | 1-7/8" | 1-7/8" | 1-7/8" | 2" |
| H- RIM THICKNESS | 7/8" | 1-1/8" | 1-1/8" | 1-1/8" | 1-1/4" | 1-1/4" | 1-1/4" | 1-1/2" | 1-1/2" | 1-1/2" |
| I- OVERALL DEPTH | 1-3/4" | 2-1/4" | 2-3/8" | 2-3/8" | 2-5/8" | 2-5/8" | 3-1/8" | 3-1/8" | 3-1/8" | 3-1/8" |
| Item # |
Description Chain Operator |
Valve Handwheel OD (inches) |
Chain Operator # |
Wheel Rim OD (inches) |
Uses Chain Size |
|
|---|---|---|---|---|---|---|
| DIRG-0 |
Standard Ductile Iron Chain Only DIRG-0 |
2 - 4" | 0 | 4" | 2 | Add to RFQ |
| DIRG-1 |
Standard Ductile Iron Master Link DIRG-0 |
4-1/4 - 5-3/4" | 1 | 5-3/4" | 1/0 | Add to RFQ |
| DIRG-1.5 |
Standard Ductile Iron Handwheel Only DIRG-1.5 |
6 - 7-1/2" | 1.5 | 7-1/2" | 1/0 | Add to RFQ |
| DIRG-2 |
Standard Ductile Iron Handwheel Only DIRG-2 |
7-3/4 - 9" | 2 | 9" | 1/0 | Add to RFQ |
| DIRG-2.5 |
Standard Ductile Iron Handwheel Only DIRG-2.5 |
9-1/4 - 12-1/2" | 2.5 | 12" | 4/0 | Add to RFQ |
| DIRG-3 |
Standard Ductile Iron Handwheel Only DIRG-3 |
12-3/4 - 15-1/2" | 3 | 15-1/2" | 4/0 | Add to RFQ |
| DIRG-3.5 |
Standard Ductile Iron Handwheel Only DIRG-3.5 |
15-3/4 - 19" | 3.5 | 18-1/2" | 4/0 | Add to RFQ |
| DIRG-4 |
Standard Ductile Iron Handwheel Only DIRG-4 |
19-1/4 - 22" | 4 | 21-1/2" | 5/0 | Add to RFQ |
| DIRG-4.5 |
Standard Ductile Iron Handwheel Only DIRG-4.5 |
22-1/2 - 26" | 4.5 | 25-3/4" | 5/0 | Add to RFQ |
| DIRG-5 |
Standard Ductile Iron Handwheel Only DIRG-5 |
26-1/4 - 30" | 5 | 30" | 5/0 | Add to RFQ |
| DIRG-5-SP4 |
Standard Ductile Iron Handwheel Only DIRG-5-SP4 |
30-1/4 - 36" | 5** | 30" | 5/0 | Add to RFQ |
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