Dynex/Rivett Inc.
Profile
Dynex manufactures 15,000 psi pumps for wellhead control and other hydraulic applications. Water-glycol pumps provide low maintenance & installation costs on deepwater platforms. The single-fluid design needs no separate lubrication circuit, eliminating cross contamination. Mineral-oil pumps are used for 0.75-HP low-energy panel systems.
Address
770 Capitol Dr.
Pewaukee, WI 53072
United States
Phone: 1-262-691-2222
Fax: 1-262-691-0312
Products
Name: PF500 Series Mineral-Oil Hydraulic Pumps
Description: Mineral-oil pumps operate at 10,000 psi. Reduced input power requirements as low as 1.0 HP makes them ideal for remote solar-powered panel systems. These compact pumps are also used on power packs tor high-torque service tools.
Details:
Checkball design pumps provide long life and greater volumetric efficiency, especially at high pressures. Individual piston check valves direct flow from the inlet side of the pump to the outlet port in these high-pressure hydraulic pumps.
These pumps are ideal for systems with demanding conditions including pressure spikes, contamination, dirty environments, extreme temperatures and long duty cycles.
Split-Flow models with multiple outlets supply flow for synchronized movement with greater accuracy than flow dividers. They can efficiently supply flow in a Hi-Lo circuit with changing flow and pressure requirements.
Maximum Output Flow:
At 1500 rpm, 0.57 US gpm;
At 1800 rpm, 0.68 US gpm
Maximum Pressure:
8000 to 10,000 psi
Speed:
Rated, 1800 rpm
Maximum, 3600 rpm
Mounting:
S.A.E A-A 2-bolt pattern
Name: PF4300 Series Water Glycol Pumps
Description: Pumps operate to 15,000 psi on wellhead control and subsea systems. The single-fluid design needs no separate lubrication circuit, avoiding the cost of ongoing maintenance. They provide reliable operation on unmanned, deepwater platforms around the world.
Details:
Dynex pumps use the water-glycol to lubricate their internal bearings. Therefore, this design eliminates the potential for cross-fluid contamination, which can occur in other designs requiring a secondary oil for lubrication. This design provides lower systems costs with many
benefits:
• No regular maintenance of lubrication circuit
• Less piping for lower-cost installation
• Easy vertical mounting in water glycol reservoirs
• Less weight, size and cost than triplex or plunger pumps
• Longer life with no cross-fluid contamination
• Ideal for remote, unmanned deepwater platforms
Maximum Output Flow:
At 1200 rpm, 5.5 US gpm;
At 1800 rpm, 8.2 US gpm
Maximum Pressure:
8000 to 15,000 psi
Speed:
Rated, 1200 rpm;
Maximum, 1800 rpm
Mounting:
S.A.E D 4-bolt pattern
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