2″(50mm) DJ20 Metallic Pump

Air Operated Double Diaphragm Pump; Pneumatic Aluminum, Stainless, Cast Iron Diaphragm Pump

2″ DJ20 metallic Pump performance

Max Flow (lpm/gpm)	Porting	Max Pressure (psi/bar)
601/151	NPT/BSP	125/8.6
Max Solids (mm)	Wetted End	Suction Lift (m)
6	Cast Iron/Aluminum/Stainless Steel	6.10(Dry)/ 7.62(Wet)

DJ20 Metallic Pump Dimension Drawing

Pump Model

Port Size

Air Inlet Size

Exhaust Port Size

A

B

C

D

E

F

G

H

I (Stand Muffler)

I (Metal Muffler)

Weight (lb)

DJ20M

inches

mm inches

2″ NPT/BSP

3/4″ NPT

1″ NPT

428 16.9″

669 26.3″

256 10.1″

13 0.5″

51 2″

631 24.8″

254 10″

228 9.0″

320 12.6″

373 14.7″

AL:70.5 CI:134.4 SS:123.5

Chemical Chart of Materials
Material Name	Working Temperature Limited F(℃)	Level 1 ~ 5 (Level 5 is the best)
		Chemical Resistance	Wear Resistance	Flexibility
Buna-N	-10(-23) ~ 190(88)	1	2	3
PTFE-Diaphragm	-35(-37) ~ 220(104)	5	2	–
EPDM	-40(-40) ~ 280(138)	4	4	4
Viton	-40(-40) ~ 350(177)	4	2	1
Neoprene	-10(-23) ~ 200(93)	1	3	3
PP	+35(2) ~ 175(79)	4	2	–
Santoprene	-40(-40) ~ 275(135)	4	5	5
PVDF	+10(-12) ~ 200(93)	5	2	–
TPO	-40(-40) ~ 239(115)	4	5	3