1-5/8-12 SAE 3-Way High-Pressure Steel Block Valve | GB3L20TSAE
1-5/8-12 SAE 3-Way High-Pressure Steel Block Valve | GB3L20TSAE
Backordered at the manufacturer — estimated ship time 2–3 weeks. Need a firm date? Email sales@apexflowsolutions.com
Flat-rate shipping, nationwide- Orders under $100: $9.95
- $100 – $499.99: $14.95
- Orders $500+: quoted — real freight for your order, not a flat guess
Volume order or crossing a competitor part number? Request a quote — usually answered the same business day.
The 1-5/8-12 SAE three-way high-pressure steel block valve (part GB3L20TSAE) routes flow through an L-pattern ball for diverting or selecting service. Zinc-chromate-plated steel body, ball, and stem; Buna-N O-rings; Delrin seats; full-port bore.
Technical Specifications
| Manufacturer Part Number (MPN) | GB3L20TSAE |
| Size / Thread | 1-5/8-12 SAE UNF SAE O-ring, 3 ports |
| Valve Type | Three-way ball valve, steel block body |
| Flow Pattern | L-pattern (divert/select between two outlets) |
| Temperature Range | −22°F to 212°F |
| Port | Full port |
| Operation | Quarter-turn lever |
Materials of Construction
| Body, Ball & Stem | Steel, zinc chromate plated |
| O-Rings | Buna-N (fluoroelastomer available — see Viton version) |
| Ball Seats | Delrin (acetal) |
Key Features
- L-pattern three-way porting — divert flow between two outlets or select between two inlets with one quarter-turn
- High-pressure steel block construction
- Delrin seats for high pressure with low operating torque
- Full-port bore — minimal pressure drop
- Compact block body mounts in tight hydraulic-adjacent layouts
Other Sizes in This Series
3-Way High-Pressure Steel Block Valve, SAE ends. Jump to another size or add it straight to your cart:
| Size | Part # | Price | Cart |
| 7/16-20 SAE | GE3L04SAE | $132.99 | Add to cart |
| 9/16-18 SAE | GE3L06SAE | $123.99 | Add to cart |
| 3/4-16 SAE | GE3L08SAE | $168.99 | Add to cart |
| 1-1/16-12 SAE | GE3L12SAE | $236.99 | Add to cart |
| 1-5/16-12 SAE | GE3L16SAE | $172.99 | Add to cart |
| 1-5/8-12 SAE (this page) | GB3L20TSAE | $1,059.99 | — |
| 1-7/8-12 SAE | GB3L24TSAE | $1,133.99 | Add to cart |
| 2-1/2-12 SAE | GB3L32TSAE | $1,316.99 | Add to cart |
Need pipe threads? See the NPT versions in our 3-Way Ball Valves collection.
Typical Applications
High-pressure diverting and selecting: hydraulic-adjacent circuits, fuel and oil transfer, test stands, dual-tank switching, and bypass loops where one valve replaces two shutoffs and a tee.
Cross-References & Interchange
Replacing another brand's 1-5/8-12 SAE three-way block valve? Match thread type, flow pattern (L-port), and pressure class — or send us your part number and we will confirm the interchange.
Availability
In stock — ships direct from the manufacturer, typically 1–3 business days.