Additel 938 Hydraulic Pressure Calibration Pump (oil-free)

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Description

Additel 938 Hydraulic Pressure Calibration Pump (oil-free)
Water : -12.5 psi to 15,000 psi

  • For oil-free pressure instruments
  • Minimal maintenance
  • Easy-to-use
  • Three pressure ports
  • Hand-tight quick connectors

The 938 Hydraulic High Pressure Test Pump is specially designed for calibrating oil-free pressure measuring instruments in the range of 85% vacuum to 15,000 psi (1,000 bar). All parts used in the pump have been carefully cleaned to remove oil. The pump uses water as the media. With the patented screw press technology, high pressures can be easily generated, as well as increased and decreased smoothly. A specially designed shut-off valve makes the pressure as stable as possible during calibration. With no check valve (non-returning valve), the 938 avoids the troublesome leakage issues that is usually experienced with hand pumps and allows for minimal maintenance. Three hand-tight connectors installed on the pump allow easy connecting and disconnecting to the test pump without the need for PTFE tape or wrenches. The 938 is an ideal comparison test pump for calibrating oil-free pressure measuring instruments such as test gauges, indicators or transducers in the laboratory.

Features

  • High Pressure
    Generates pressure up to 15,000 psi (1,000 bar)
  • Durable and Minimal Maintenance
    Patented screw press technology, without non-returning valve inside that is usually used on troublesome hand pumps.
  • Easy-to-use
    With the patented screw press technology, high pressures can be generated easily, as well as increased and decreased smoothly
  • Extremely Low Leakage
    Patented screw press technology replaces troublesome check valves (non-returning valve) in most hand pumps which practically eliminates leakage.
  • Hand-tight  Quick Connectors
    Allows easy connecting and disconnecting to the test pump without the need for PTFE tape or wrenches.

Applications

The Additel 938 is specially designed for calibrating oil-free pressure measuring instrument in the range from 85% vacuum to 15,000 psi (1000 bar). It can be used in calibrating oil-free pressure gauges, transmitters, or other pressure measuring instruments in aerospace, pharmaceutical, or food industries.

Specifications

  • Media
    Deionized water
  • Pressure Range
    85% vacuum to 15,000psi (1,000bar) positive pressure.
  • Material
    Ram/adapters :  SS
    Body : SS/aluminum
    Seals : Buna-N
  • Connection
    Hand-tight connectors for both test gauge and reference gauge.
    Test Gauge Connection : 1/4NPT female, 1/4BSP female, M20X1.5 female
    Reference Gauge Connection : 1/4NPT female, 1/4BSP female, or M20X1.5 female
  • Dimensions
    Height : 9.1″ (230 mm)
    Base : 20.5″ (520 mm) x 14.2″ (360 mm)
  • Weight
    35.2 lb (16 kg).
  • Warranty
    1 year

Information

Additel Pressure Test/Calibration Pumps Selection Guide

Additel 938 Hydraulic Pressure Calibration Pump (oil-free) Datasheet

Additel 938 Hydraulic Pressure Calibration Pump (oil-free) User Manual

Order Info

938 information