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Winters PAM Ammonia Pressure Gauge

Description & Features:

• Wide variety to measure pressure and temperature of ammonia systems
• ±0.5% to ±3-2-3% accuracy available
• 2.5" (63mm) to 10" (250mm) dial sizes
• ASME B40.100 compliant
• CRN registered
• 5 year warranty

Applications:

• Used to display pressure and temperature on closed refrigeration systems

Download specifications and order info

Custom order engineering part number

	Accuracy: ±0.5% to ±1%	Accuracy: ±1.5%	Accuracy: ±3-2-3%
Dial	4” (100mm), 6” (150mm), 8.5” (215mm), 10” (250mm): White aluminum with black and red markings	2.5” (63mm), 3.5” (90mm), 4” (100mm): White aluminum	2.5” (63mm), 4” (100mm): White aluminum

Case	4” (100mm), 6” (150mm): AISI 304 SS 8.5” (215mm), 10” (250mm): Aluminum case	2.5” (63mm), 4” (100mm): AISI 304 SS 3.5” (90mm): Steel painted black	2.5” (63mm), 4” (100mm): Steel painted black

Lens	Polycarbonate	Polycarbonate	Polycarbonate

Ring	4” (100mm), 6” (150mm): 304 SS 8.5” (215mm), 10” (250mm): Aluminum	2.5” (63mm): SS 3.5” (90mm): Steel 4” (100mm): AISI 304 SS	2.5” (63mm): Steel, painted black 4” (100mm): Plated steel

Socket	316L SS	316L SS	2.5” (63mm): Steel 4” (100mm): Nickel plated steel

Connection	1/4” NPT	1/4” NPT standard	1/4” NPT standard

Bourdon Tube	316L SS, drawn seamless	316L SS, drawn seamless	316 SS

Movement	304 SS	304 SS	304 SS

Pointer	Aluminum, anodized black, micrometer adjustable	Aluminum, anodized black	Aluminum, anodized black

Welding	TIG	TIG	TIG

Over-Pressure Limit	30% of full scale value	30% of full scale value	30% of full scale value

Working Pressure	Maximum 75% of full scale value	Maximum 75% of full scale value	Maximum 75% of full scale value

Ambient/Process Temperature	-40°F to 150°F (-40°C to 65°C): Dry, -4°F to 150°F (-20°C to 65°C): Liquid filled (8.5” dry)	-40°F to 150°F (-40°C to 65°C): Dry -4°F to 150°F (-20°C to 65°C): Liquid filled	-40°F to 150°F (-40°C to 65°C): Dry

Accuracy	4” (100mm), 6” (150mm): ±1% ANSI/ASME Grade 1A 8.5” (215mm), 10” (250mm): ±0.5% ANSI/ASME Grade 2A	±1.5% of full scale	±3-2-3% ANSI/ASME Grade B

Enclosure Rating	2.5” (63mm), 4” (100mm), 6” (150mm): IP65 8.5” (215mm), 10” (250mm): IP52	IP65	IP52