Features

This electronic level gauge is the introductory product to the Refri-Shield™ line of level-detection components. Featuring an electronic readout and bubble-level for installation, this device can be serviced and replaced by two set screws without pumping the system down. The Rotolock sight glass housing utilizes a PTFE gasket for a superior seal—minimizing the leak potential.

• Designed for use in horizontal vessels
• 1 3/4″ Rotolock sight glass design
• Watertight electronics enclosure made of DuPont Zytel glass-reinforced polymers
• 12 ft cable
• 12V AC or DC
  DC accepted range: 11.5V—14V
  AC accepted range: 10V—14V
• Amp draw: 12V supply
  70mA—100mA (depending on relay state)
• 12V common
  Relay common
• 0.5V out +/- 0.1V
  Minimum accepted load: 100 ohms
• 4—20mA out
  Max load for full 20mA: 400 ohms
• Dry Contact Relay—set at 20%
  Relay contact rating: 2 amps
• Electronic Operating Temperature
  -40°C to 85°C (-40°F to 185°F)
• Factory calibrated
• Pressure-boundary components listed in accordance with UL-207
• Patent pending

Features

This mechanical level gauge is one of the introductory products to the Refri-Shield™ line of level-detection components.

The Rotolock sign glass housing utilizes a PTFE gasket for a superior seal, minimizing leak potential.

• Designed for use in horizontal vessels
• 1 3/4″ Rotolock design
• Sight glass with easy-to-read liquid level indicator
• Pressure-boundary components listed in accordance with UL-207
• Blank (non-electronic) housing with bubble-level included for installation alignment purposes
• Conversion kits available for upgrade to electronic model (part number RSG-1HE

Features

The RDP-01 Differential Pressure Monitor is part of the Refri-Shield™ line of system monitoring products.

When the filter element of a coalescing oil separator is contaminated, it negatively affects performance and efficiency—of the oil separator itself, and of the entire
system. A differential pressure monitor is used to monitor, both visually and electronically, when the filter is contaminated and needs replaced.

The Refri-Sheild™ RDP-01 features a multicolored LED readout indicating pressure range and an analog output for precise pressure monitoring. The device’s
case is both dust and weather resistant and comes equipped with 6-foot pressure-transducer cables and a 6-foot power cable, allowing for significant versatility in
its placement.

Features

The RDP-01T Differential Pressure Monitor is part of the Refri-Shield™ line of system monitoring products. This model features transducers designed for use with CO2 systems at transcritical pressures.

When the filter element of a coalescing oil separator is contaminated, it negatively affects performance and efficiency—of the oil separator itself, and of the entire
system. A differential pressure monitor is used to monitor, both visually and electronically, when the filter is contaminated and needs replaced.

The Refri-Sheild™ RDP-01T features a multicolored LED readout indicating pressure range and an analog output for precise pressure monitoring. The device’s
case is both dust and weather resistant and comes equipped with 6-foot pressure-transducer cables and a 6-foot power cable, allowing for significant versatility in
its placement.

Features

Level transducer probes (LP) are made for monitoring refrigerant levels in vertical or horizontal receivers. The probe operates with capacitance to provide a continuous level reading. The electronic circuit provides an analog signal that is proportional to the refrigerant level. This signal is provided as a 0–5V DC output commonly used with supermarket rack controllers, PLCs, and other types of control devices that will accept the input.

The probe is threaded directly into the receiver by the use of a 3/4″ NPT coupling or Rotolock. The probe has no moving parts and uses 24V DC as the input voltage.

• 10–24V DC supply voltage
  0–5V DC output voltage
  or
  4–20mA output voltage (for vessels up to 12″)
• Ambient temperature range:
  -40°F (-40°C) to 158°F (70°C)
  Refrigerant temperature range:
  -40°F (-40°C) to 158°F (70°C)
• 3/4″ NPT or 1 1/4″ Rotolock connection
• 12-foot DIN connector cable
• Optional display available

Ordering

Westermeyer Industries custom manufactures every probe to your specifications. To order, state the required length in inches as the part number with the appropriate suffix to designate optional Rotolock and/or display.

Features

The LS liquid level switch is a highly reliable method of detecting fluid levels. Solid-state construction ensures many years of trouble-free operation. The hermetically sealed sight glass provides high working pressures without leakage. Liquid levels are optically detected through the sight glass, for fluids as clear as water or as dirty as crude oil.

The switch must be installed horizontally with at least 2″ of distance between it and the vessel wall or pipe. Line voltage is wired directly to the switch, removing the need for step-down transformers. A 1/2″ conduit box is provided for the mounting of a junction box. Two thread models are available for various applications.

• Body made of 1 1/8″ hex nickel plate Steel
• Solid-state switching
• Serviceable without loss of fluid
• UL listed, file number E141577
• Switch rated at over 1 million cycles
• Non-invasive liquid sensing
• Suitable for refrigerants and other industrial fluids non-corrosive to steel and glass.

Features

Sight glasses are installed in vessels to view refrigerant, oil, and other non-corrosive fluids. Our sight glasses are offered in two versions: clear lens and floating ball, with NPT, Rotolock, or SAE connection types.

Features

The ‘526’ rupture disk assembly is installed between either a three-way valve or receiver tank and the relief valve to prevent the weeping of refrigerant through the relief valve.

The use of the rupture disk must be in accordance with ASME section VIIII, Division 1, UG 127. The rupture disk setting must not exceed the set pressure of the relief valve. When using a rupture disk in combination with a relief valve, the relief valve discharge must be de-rated by 10%.

There are two 1/8″ NPT connections above the disk. These are used to provide an indication that the disk has ruptured. Pressure gauges and pressure switches can be installed in these ports.

• Brass body, factory sealed, with non-fragmenting disk
• Operating range: -10% / 0%
• ASME Section VIII Division 1 certivied and UD stamped