The poppet in this miniature shuttle valve is biased so that the emergency port (E) is normally closed and the normal (N) and service (S) ports are connected. It is ideal for applications with flow rates up to 7.2 GPM.
- Type: Spring-Biased
- Diameter: 0.281 inches
- Lohm Rate: 130 Lohms max.
- Maximum Working Pressure: Up to 4000 psi
General Performance
- Normal Flow Rate (N to S or S to N): 180 Lohms max.
- Emergency Flow Rate (E to S): 180 Lohms max.
- Maximum Rated Flow: 6.0 GPM
- Shuttling Pressure: 15 psid (min.) 40 psid (max.)
- Maximum Leakage: 5 Drops / Hour after 2 Minute wait (N to E or E to N at 4000 psid)
- Nominal System Pressure: up to 4000 psi
- Nominal Weight: 5.0 grams
- Test Fluid: MIL-PRF-83282 at 85°F
Materials
- Body – Rear: 304L CRES (AMS 5647)
- Body – Front: 15-5PH CRES (AMS 5659)
- Pin: 303 CRES (QQ-S-763C)
- Spring: 17-7PH CRES (AMS 5678)
- Poppet: 440C CRES (AMS 5630)
- Nose Seal: 6061-T6 Al (AMS 4117)
Finish: All CRES parts passivated. Pins are pre-waxed. Do not degrease. Do not lubricate.
Replacement Parts & Accessories
- CUTA2810137C: Installation / Extraction Tool Set
- PRFA2810003A: Replacement Pin
- SVBA2810009B: Replacement Nose Seal
- Part Number: SVBA2810313D
- Nominal System Pressure: 4000 psi
- Lohm Rate: 130 Lohms Maximum
- Screen Hole Size: N/A
- Nominal Weight: 4 g
- Cross Section View, Dimensional View, and Installation Hole Details: See images in the gallery for reference. All dimensions are in inches.
- Technical Documentation: Technical Hydraulic Handbook of Aerospace, Energy, and Motorsport Solutions Page G8-G9
- Installation Procedure: PS J2374 Rev A: Installation of 3-Port Inserts
- Installation & Manufacturing Tools: CUTA2810137C: Installation and Extraction Tool Set Drawing
- CAD Envelope: 281 Spring-Biased Shuttle Valve Model (access may require request)
- Key Product Facts: Type: Spring-Biased, Diameter: 0.281 inches, Lohm Rate: 130 Lohms max., Maximum Working Pressure: Up to 4000 psi
- Applications: Ideal for applications with flow rates up to 7.2 GPM.
- Finish: All CRES parts passivated. Pins are pre-waxed. Do not degrease. Do not lubricate.
- Test Fluid: MIL-PRF-83282 at 85°F
- Nominal Weight: 5.0 grams
- Maximum Leakage: 5 Drops / Hour after 2 Minute wait (N to E or E to N at 4000 psid)
- Shuttling Pressure: 15 psid (min.) 40 psid (max.)
- Maximum Rated Flow: 6.0 GPM
- Normal/Emergency Flow Rate: 180 Lohms max.