Differential

Specially designed heavy duty brass deferential movement designed to illustrate the difference between input and output pressure. Specifications: Dial: 4 1/2” (115mm) or 6” (150mm) Case: Aluminum, black Lens: 41/2” (115mm) - glass 6” (150mm) - plexiglass Ring: 41/2" - stainless steel, 6" - aluminum Pointer: Aluminum, black Wetted Parts: Brass or 316 stainless steel Connection: 1/4" NPT standard, 1/2" NPT available, bottom or back Accuracy: 1% of full scale accuracy, ANSI/ASME Grade 1A Other: Back flange standard on bottom connection, front flange standard on back connection

Applications: Single pointer gauge for displaying the difference between two different but related pressures on the same dial. (e.g.. for use on pumps and filters.)

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How to order: Specify product code and range.

Product Codes
Dial Size	4 1/2" (115mm)				6" (150mm)
Tube & Socket	Brass	Brass	St/St	St/St	Brass	Brass	St/St	St/St
Connection	1/4" NPT Bottom	1/4" NPT Back (LB)	1/4" NPT Bottom	1/4" NPT Back (LB)	1/4" NPT Bottom	1/4" NPT Back (LB)	1/4" NPT Bottom	1/4" NPT Back (LB)
0/15 psi	P8051	P8051B	P8061	P8061B	P8071	P8071B	P8081	P8081B
0/30 psi	P8052	P8052B	P8062	P8062B	P8072	P8072B	P8082	P8082B
0/60 psi	P8053	P8053B	P8063	P8063B	P8073	P8073B	P8083	P8083B
0/100 psi	P8054	P8054B	P8064	P8064B	P8074	P8074B	P8084	P8084B
0/160 psi	P8055	P8055B	P8065	P8065B	P8075	P8075B	P8085	P8085B
0/200 psi	P8056	P8056B	P8066	P8066B	P8076	P8076B	P8086	P8086B
0/300 psi	P8057	P8057B	P8067	P8067B	P8077	P8077B	P8087	P8087B
0/600 psi	P8058	P8058B	P8068	P8068B	P8078	P8078B	P8088	P8088B
Special Range	P8050	P8050B	P8060	P8060B	P8070	P8070B	P8080	P8080B

(LB) = Lower Back Connection

(Dial must be 2/3 of maximum operating pressure)
(High Pressure / Low Pressure configurations are also available)