Technical Data - B 28 & Pump Tube Combinations
Pump tubes		MMS-PP MSL-PP 41-R SS/HC	MMS-PP MSL-PP 41-L SS/HC	MMS-PVDF MSL-PVDF 41-R HC	MMS-PVDF MSL-PVDF 41-L HC	MMS-ALU MSL-ALU 41-R	MMS-ALU MSL-ALU 41-L	MMS-SS MSL-SS 41-R	MMS-SSMSL-SS 41-L
Mechanical Seal (MS) Sealless (SL)		MS / SL	MS / SL	MS / SL	MS / SL	MS / SL	MS / SL	MS / SL	MS / SL
Max. Temperature		122 °F	122 °F	212 °F	212 °F	212 °F	212 °F	212 °F	212 °F
Type of impeller		Rotor	Impeller	Rotor	Impeller	Rotor	Impeller	Rotor	Impeller
Zone 0		No	No	No	No	No	No	Yes	Yes
Quantity*	Up to GPM	48	24	48	24	48	24	54	28.5
Delivery head*	Up to FT	33	69	33	69	33	69	40	66
Viscosity**	Up to cps	400/600	1000/1200	400/600	1000/1200	400/600	1000/1200	600/1000	1000/1200
Spec. gravity***	Up to	1.5	2.0	1.5	2.0	1.5	2.0	1.5	2.0
Weight lbs.	Motor + pump tube	9.7	9.7	10.8	10.8	10.4	10.4	13.5	13.5
*Determined with water at 68 °F. ** Determined with oil. Continuous/ intermittent duty (10 min.) ***Determined with 10 feet 3/4" hose and open discharge. ***Higher densities possible for shorter operating periods. X Not a suggested combination

Pump tubes		SL-HC 42-R	RE 88 PP 40-L	RE 88 SS 41-L	MP MS-PP MP SL-PP 50/41-L	MP MS-SS 41-R	B70V-SR 25.1 PTFE	B70V-SR 25.1 PTFE
Mechanical Seal (MS) Sealless (SL)		SL	MS	MS	MS	MS	Packed Gland	MS
Max. Temperature		248 °F	122 °F	212 °F	122 °F	212 °F	284 °F	284 °F
Type of impeller		Rotor	Impeller	Impeller	Impeller	Rotor	--	--
Zone 0		Yes	No	Yes	No	Yes	No	Yes
Quantity*	Up to GPM	54	17.5	20	24	49	^ ^	^ ^
Delivery head*	Up to FT	40	43	56	69	36	^ ^	^ ^
Viscosity**	Up to cps	600/1000	1300/1500	1000/1400	1000/1200	300/600	25,000	25,000
Spec. gravity***	Up to	1.5	2.1	2.0	2.0	1.5	*	*
Weight lbs.	Motor + pump tube	16.7	10	15	10	14.3	26.0	26.0
**** SS Rotor with PTFE Stator ^ ^ Consult Burt Process Equipment