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Vickers | 3520VQH25A11-11DD30R

3520VQH25A11 11DD30R

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The Vickers 3520VQH25A11 11DD30R is part of the VQ Thru-Drive Vane Pumps series. It features a cover-end displacement of 36.4 cm3 per revolution and a shaft-end displacement of 81.6 cm3 per revolution. The rated flow is 11 US gallons per minute at the cover end and 25 US gallons per minute at the shaft end, both at 1200 rpm and 100 psi. Both the cover end and shaft end support a maximum pressure of 210 bar or 3000 psi. Maximum speeds for both ends are specified at 2500 rpm. The drive shaft spline has 14 teeth with a major diameter of 31.70 mm. Maximum inlet positive pressure is set at 1.4 bar, while the maximum inlet vacuum rating is 5 inches of mercury. This pump uses SAE 4-bolt flange connections and weighs 34 kg.

Technical Specifications

Cover-end Displacement
36.4 cm3/rev

Drive Shaft Spline
14T, 12/24 DP (Major Ø 31.70 mm)

Max Inlet Positive Pressure
1.4 bar (20 psi)

Max Inlet Vacuum
5 inHg

Max Pressure (cover End)
210 bar (3000 psi)

Max Pressure (shaft End)
210 bar (3000 psi)

Max Speed (cover End)
2500 rpm

Max Speed (shaft End)
2500 rpm

Model Code Reference
3520VQH25A11 11DD30R

No.1 Outlet Position
90° CW From Inlet (Code D)

No.2 Outlet Position
135° CW From Inlet (Code DD)

Port Connections
SAE 4-Bolt Flange (All Ports)

Rated Flow (cover End)
11 USgpm @ 1200 rpm (100 psi)

Rated Flow (shaft End)
25 USgpm @ 1200 rpm (100 psi)

Shaft-end Displacement
81.6 cm3/rev

Weight
34.0 kg (75 lb)

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