T&P, Temperature & Pressure Plugs, 310 Series

  • Quickly take a temperature or pressure reading
  • Self closing Neoprene or Nordel valves after probe removed
  • Cap, 3/8"-24 thread, to protect and additional seal
  • 1/8”, ¼”. & ½” NPT pipe connections
  • For 1/16” & 1/8” probes
  • Brass or Stainless-Steel housing

Neoprene Valve resists waxes, fats, oils, greases, petroleum products, and most refrigerants.
Nordel Valve is an ethylene-propylene based synthetic rubber for hot and cold water, low steam, detergents, phosphate esters, ketone, alcohols, and glycols.
This information is a general guide and product should be tested for applicability under actual conditions.

Temperature & Pressure Plugs and Accessories, Sizes: 1/4" TO 1/2", 310 Series

How to Operate:
These plugs are permanently installed in the line at recommended test points. The cap protects the valve and provides an additional seal. After the cap has been removed, either a test thermometer or a gauge adapter with the proper pressure gauge can be inserted through the two, self-closing valves in the plug. Readings are made, adjustments or test can be accomplished and when the probes are withdrawn, the two valves close. The protective cap is then reinstalled. Tests should be made as quickly as possible since the valve reseal time is dependent upon time of insertion, time, and pressure. Slower valve reseal time can be expected at lower temperature and lower pressures.

Features:

  • Available in 1/4" and 1/2" NPT sizes
  • Available in long length
  • Brass body material for non-corrosive service
  • Pressure limits to 1000 psi depending on application
  • Neoprene core (red cap) for temperature range of 0-200°F, for use with natural gas and petroleum products
  • Nordel core (blue cap) for temperature range of 0-275°F, for use with hot and chilled water systems
  • Valve core is self-sealing with pressure cup for superior sealing protection
  • Tested by an independent lab indicates no leaks at high or low pressure

Temperature and Pressure Plug Instructions

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Pressure & Temperature Plugs, 310-Series

    Image Pipe Size Lngth, Body Material, Body Dia., Probe Material, Valve Shipping Wt. Item Number Price Qty Action
    1/2 M 3" (76mm) Brass 1/8" (3.18 mm) Nordel 0.5 Lb (0.23 Kg) 310-710-XL
    $13.96
    1/2 M 1.5" (38mm) Brass 1/8" (3.18 mm) Nordel 0.5 Lb (0.23 Kg) 310-710 -
    $8.46
    1/2 M 3" (76mm) Brass 1/8" (3.18 mm) Neoprene 0.5 Lb (0.23 Kg) 310-700-XL
    $13.96
    1/2 M 1.5" (38mm) Brass 1/8" (3.18 mm) Neoprene 0.5 Lb (0.23 Kg) 310-700 -
    $8.46
    1/4 M 3" (76.2mm) Brass 1/8" (3.175mm) Nordel 0.5 Lb (0.23 Kg) 310-110-XL
    $11.50
    1/4 M 1.5" (38.1mm) Brass 1/8" (3.175mm) Nordel 0.5 Lb (0.23 Kg) 310-110 -
    $6.18
    1/4 M 3" (76.2mm) Brass 1/8" (3.175mm) Neoprene 0.5 Lb (0.23 Kg) 310-100-XL
    $11.50
    1/4 M 1.5" (38.1mm) Brass 1/8" (3.175mm) Neoprene 0.5 Lb (0.23 Kg) 310-100 -
    $6.18

Plug, T&P, Pressure & Temperature Kit

    Image Description Comment 1 Comment 2 Comment 3 Shipping Wt. Item Number Price Qty Action
    Test Kit with Protective Carrying Case One (1) Thermometer 25°-125° f (-3.88-51.66 c) and one (1) Thermometer 0°-220° f (-17.77-104.44 c) One (1) 0-100 psi (0-6.89 bar) 0-700 kPa Pressure Gauge One (1) 1/8" x 3" Probe Pressure Gauge Adapter 2.5 Lb (1.13 Kg) 312-1500-XLKIT
    $404.08
    Test Kit with Protective Carrying Case Contains one (1) Thermometer 25°-125° f (-3.88-51.66 c) and one (1) Thermometer 0°-220° f (-17.77-104.44 c) Contains one (1) 0-100 psi (0-6.89 bar) 0-700 kPa Pressure Gauge Contains One (1) 1/8" x 3" Probe Pressure Gauge Adapter 2 Lb (0.91 Kg) 312-1500-XL
    $339.48
    Test Kit with Protective Carrying Case Contains One (1) Thermometer 25°-125° f (-3.88-51.66 c) and One (1) Thermometer 0°-220° f (-17.77-104.44 c) Contains One (1) 0-100 psi (0-6.89 bar) 0-700 kPa Pressure Gauge Contains Two (2) 1/8" x 1-1/2" Probe Pressure Gauge Adapters 2 Lb (0.91 Kg) 312-1500-
    $320.00

Thermometers, T&P 5" Stem Probe

    Image Style Temperature Rating F Shipping Wt. Item Number Price Qty Action
    Digital, Cannot Recalibrate -58º F (-50º C) to 571º F (299º C) 0.5 Lb (0.23 Kg) 312-606-
    $28.42
    Analog with Recalibration 0º F (-18º C) to 220º F (104º C) 0.5 Lb (0.23 Kg) 312-603-
    $10.42
    Analog with Recalibration 25º F (-3.88º C) to 125º F ( 52º C) 0.5 Lb (0.23 Kg) 312-601-
    $10.42
    Analog with Recalibration 40º F (4.º C) to 160º F (71.º C) 0.5 Lb (0.23 Kg) 312-600-
    $10.42

T&P Pressure Gauge Probe Adapters

    Image Size Material Shipping Wt. Item Number Price Qty Action
    1/8" Dia X 1-1/2" Long Probe Stainless Steel 0.5 Lb (0.23 Kg) 312-520-
    $64.60
    1/16" Dia. X 1 1/2" Long Probe Brass Body, SS Probe 0.5 Lb (0.23 Kg) 312-510-
    $28.20
    1/8" Dia. 3" Long Probe Brass Body, SS Probe 0.5 Lb (0.23 Kg) 312-500-XL
    $32.70
    1/8" Dia. 1.5" Long Probe Brass Body, SS Probe 0.5 Lb (0.23 Kg) 312-500-
    $22.50

Gauge, T&P, Compound Pressure

    Image Pressure Connection Type Shipping Wt. Item Number Price Qty Action
    0-300 psi (0-20.69 bar), 0-2100 kPa 1/4" MNPT (Brass) 1 Lb (0.45 Kg) 312-800-B300
    $31.56
    0-200 psi (0-13.80 bar), 0-1400 kPa 1/4" MNPT (Brass) 1 Lb (0.45 Kg) 312-800-B200
    $31.56
    0-100 psi (0-6.89 bar), 0-700 kPa 1/4" MNPT (Brass) 1 Lb (0.45 Kg) 312-800-B
    $31.56
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