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PU-DHDA118/4-N*-L1**

PU-DHDA118/4-N*-L1**
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PU-DHDA118/4-N*-L1**

Product catalog summary
Product Overview: The PU-DHDA118/4-N*-L1** series is a double airhead, double acting hydraulic pump designed for high flow applications such as pressure testing, chemical injection, and hydraulic power. It features infinitely variable output pressure and flow, can hold static pressure without generating heat or consuming power, and is suitable for both oil and water applications.
Key Features:
  • Infinitely variable output pressure and flow.
  • Static pressure maintenance without heat generation.
  • Ease of maintenance and low servicing costs.
  • Robust construction for reliable operation.
Performance Data:
  • Max Rated Output Pressure: 23,695 psi (1,634 bar).
  • Output Per Cycle: 4.5 in³ (74 cc).
  • Max Flow: 558 in³/min (9 litre/min).
  • Max Air Supply Pressure: 100 psi (7 bar).
  • Ratio: 236:1.
  • Air Consumption: 200 scfm (5,664 Nl/min).
Seal Options:
  • N*: PTFE Main Seal & Nitrile (Buna-N) Check Valve Seals.
  • V: PTFE Main Seal & Viton (FKM) Check Valve Seals.
  • C: PTFE Main Seal & Chemraz (FFKM) Check Valve Seals (Max Rated Output Pressure 15,000 psi (1035 bar)).
Construction Materials:
  • Air Motor: Anodised Aluminium with Nitrile (Buna-N) Seals.
  • Hydraulic Cylinder: Aluminium Bronze.
  • Piston: Stainless Steel with Corrosion Resistant Chrome Finish.
  • Check Valves: Stainless Steel.
  • Pilot Air Valves: Brass/Stainless Steel Internals with Nitrile (Buna-N) Seals.
Connections:
  • Hydraulic Inlet: 1/2" NPT(F).
  • Hydraulic Outlet: 9/16” HP(F).
  • Air Inlet: 1” NPT(F).
  • Pilot Air Supply: 1/8" BSPP(F).
Common Options:
  • /A: ATEX (94/9/EC) II 2GD c T5.
  • /F: Panel mount digital stroke counter (non ATEX).
  • /G: Panel mount pneumatic stroke counter.
Pressure Data: The document provides a table correlating air pressure to hydraulic pressure, demonstrating the pump's capability to achieve high hydraulic pressures with varying air pressures.
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Catalog excerpts

PU-DHDA118/4-N*-L1**-1

Hydratron Ltd, Earle House, Atlantic Street, Technical Data Sheet Broadheath, Cheshire, England WA14 5DD TECHNICAL DATA SHEET PRODUCT DHDA Double Airhead Double Acting Air operated, high flow, double headed-double acting hydraulic pumps for pressure testing, chemical injection and hydraulic power. Infinitely variable output pressure and flow Holds static pressure without generating heat or consuming power Standard models are suitable for oil or water applications Well proven and trouble-free operation Designed for ease of maintenance Low cost servicing Robust construction PERFORMANCE DATA Max Rated Output Pressure SEAL OPTIONS (N*) N* (standard) PTFE Main Seal & Nitrile (Buna-N) Check Valve Seals PTFE Main Seal & Viton (FKM) Check Valve Seals PTFE Main Seal & Chemraz (FFKM) Check Valve Seals (Max Rated Output Pressure 15,000psi (1035bar) Anodised Aluminium / Nitrile (Buna-N) Seals

 Open the catalog to page 1
PU-DHDA118/4-N*-L1**-2

Technical Data Sheet Pag. 2 of 3 Hydraulic Cylinder Aluminium Bronze Stainless Steel + Corrosion Resistant Chrome Finish Check Valves Stainless Steel (Seals as per Selected Seal Option) Brass / Stainless Steel Internals / Nitrile (Buna-N) Seals / Stainless Steel Pipework Plated Steel Silencer Stainless Steel Silencer CONNECTIONS Hydraulic Inlet Hydraulic Outlet COMMON OPTIONS (BUT NOT LIMITED TO) /A Panel mount digital stroke counter (non ATEX) Panel mount pneumatic stroke counter GENERAL LAYOUT DRAWING | Hydratron is a part of the Pryme Group

 Open the catalog to page 2
PU-DHDA118/4-N*-L1**-3

Technical Data Sheet Pag. 3 of 3 HYDRAULIC PRESSURE STATIC / STALL CONDITIONS AIR PRESSURE HYDRAULIC PRESSURE FLOW CURVE | Hydratron is a part of the Pryme Group

 Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.