©Johnstone Supply eCatalog 216

HYDRONICS Gauges

P/T Plugs Test Plugs for Pressure or Temperature • Provides accurate pressure and temperature measurements for a quick, economical method to balance heating and air conditioning systems • Provides access to system fluid without permanent installation of gauges, valves, thermometers or sampling equipment • 1/4" or 1/2" NPT brass plugs with Nordel valve cones • Water temperature to 350°F

• Pressure to 1000 PSI • Stainless steel plugs for process applications • BTX extensions for insulated pipe • Johnstone Supply carries a large selection of pressure gauges and stem thermometers; see index for listings WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

A

B

Fig. Order #

Mfg. # PT25 PT50

Conn. Size

For Use With

L37-381 L37-382 L37-383 L39-833 L39-829 L39-830 L39-831 L39-832

A A B B A A C C

1/4" MPT Plug 1/2" MPT Plug

Stem Thermometer Stem Thermometer Pressure Gauge Pressure Gauge Stem Thermometer Stem Thermometer

GA063S 1/4" FPT Gauge Adapter (Probe)

GA-125

1/4" FPT Gauge Adapter (Heavy Duty Probe)

C

SSNO-250 1/4" MPT Plug (Stainless Steel) SSNO-500 1/2" MPT Plug (Stainless Steel) BTX-250 1/4" x 1-3/4" Brass Plug Extension BTX-500 1/2" x 1-1/4" Brass Plug Extension

— —

Pressure Gauge • Used to test water supply pressures within a distribution system • Red indicator hand holds at the highest reading registered for detection of thermal expansion pressure surges

• Black enamel steel case, Kostil Polymer window, 3/4" H.T. hose connection, and copper alloy Bourdon tube sensing element • Accuracy is ASME, Type B

Order # Mfg. # L46-625 0069721

Description

PSI

Conn.

Pressure Gauge

0 - 300

3/4" H.T. hose connection

Standard Gauges • General purpose 2" steel case gauge for pressure measurement • Suited for use with water, oil, air, gas or other media that will not attack brass or bronze • Utilizes a copper alloy bourdon tube • Brass socket and tip • Case is drawn steel, pretreated for rust resistance • Lower stem mount and center back connection in 1/8" and 1/4" NPT

Specifications: • Accuracy: A.N.S.I. B40.1 grade B; ±3-2-3% of range across scale • Pressure range: 30 to 300 PSI • Temperature limits: ambient temperature and temperature of operating medium should not exceed 160°F; install a protective siphon in steam applications • Minimum temperature: -40°F Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Each

Order #

Mfg. #

PSI

Conn.

Order #

Mfg. #

PSI

Conn.

L38-159 L38-160 L38-161 L38-162 L38-163 L38-164 L38-165

L38-166 L38-167 L38-168 L38-169 L38-170 L38-171 L38-172

TL20-030-8L 0 to 30 TL20-030-4L 0 to 30 TL20-030-8B 0 to 30 TL20-030-4B 0 to 30 TL20-060-8L 0 to 60 TL20-060-4L 0 to 60 TL20-060-8B 0 to 60

1/8" NPT, Bottom 1/4" NPT, Bottom 1/8" NPT, Back 1/4" NPT, Back 1/8" NPT, Bottom 1/4" NPT, Bottom 1/8" NPT, Back

23.49 23.49 28.99 28.99 23.49 23.49 28.99

TL20-060-4B 0 to 60 TL20-100-8L 0 to 100 TL20-100-4L 0 to 100 TL20-100-8B 0 to 100 TL20-100-4B 0 to 100 TL20-200-4L 0 to 200 TL20-300-4L 0 to 300

1/4" NPT, Back 1/8" NPT, Bottom 1/4" NPT, Bottom 1/8" NPT, Back 1/4" NPT, Back 1/4" NPT, Bottom 1/4" NPT, Bottom

28.99 23.49 23.49 28.99 28.99 23.49 23.49

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