Lutz, Progressive Cavity Pump, B70V-D/DA, 25.2 and 50.1 The B70V-D/DA is a powerful eccentric screw pump for semi-viscous or even highly viscous, tough media right up to their flowability limits. For applications in the food, pharmaceutical and cosmetics industry, no special shaft joint is needed. The pump is either driven by 3-phase motors or compressed air motors.

Liquid examples:
Chemical industry:
acids, lyes, sludge, viscous pastes, dispersions, adhesives, etc.
Cosmetics industry:
creams, soaps, toothpaste, shampoos and raw materials for soaps.
Confectionery industry:
honey, syrups and preserves.
Paint and lacquer factories:
paints, lacquers and pastes
Food industry:
milk, whey, cheese, spread and ketchup.
Mineral oil industry:
high-viscosity oils and fluid greases

Features:

For for semi-viscous or even highly-viscous liquids from 1- 100.000 cps (1- 100.000 mPas)
Positive displacement pump with bearing flange according to eccentric screw principle
With electrical or air-driven drive motors
For mobile and stationary use
Easy detachable pump tube
Explosion-proof version available

Benefit

Smooth flow
Constant volumetric flow
Quiet operation
Easy handling
Easy to clean
Minimum wear

Sealing system:
Mechanical seal (MS) or packing gland (St)

Drive shaft :
Torsion shaft (TS) or universal joint shaft (UJ)

Immersion length:
39" (1000 mm)

B70V-D/DA (Ex) pump tubes are "Zone 0" approved in combination with the original Lutz motors ME I 6 Silver Star (Ex) / MD-1 (Ex) / MD-2 (Ex) in accordance with standards for use in hazardous locations.

Technical Data

	B70V-D/DA 12.1	B70V-D/DA 25.1
Housing:	Stainless steel (316)	Stainless steel (316)
Seals:	Viton®	Viton®
Mechanical seal:	Carbon/SS, Viton® or SiC/SiC, Viton®	Carbon/SS, Viton® or SiC/SiC, Viton®
Packing gland:	PTFE soft packing, safe for use with foodstuffs	PTFE soft packing, safe for use with foodstuffs
Drive shaft:	Stainless steel (316)	Stainless steel (316)
Rotor:	Stainless steel (316)	Stainless steel (316)
Stator:	PTFE	NBR light, Viton®, PTFE
Nominal diameter:	2.12 in 54 mm	2.12 in 54 mm
Temperature of medium:	up to 284 °F (PTFE) up to 140 °C (PTFE)	up to 176 °F (NBR up to 80 °C (NBR) up to 284 °F (Viton®) up to 140 °C (Viton®) up to 284 °F (PTFE) up to 140 °C (PTFE)
Hose connection:	1 1/2" male BSP options: 1 1/2" NPTF adaptor or Tri Clamp	1 1/2" male BSP options: 1 1/2" NPTF adaptor or Tri Clamp
Length:***	39" 1000 mm	39" 1000 mm

Operating data	B70V-D/DA 12.1	B70V-D/DA 25.1
Delivery rate:*	up to 3.1 GPM up to 12 l/min	up to 6.6 GPM up to 25 l/min
Delivery head:*	up to 200 ft. up to 6 bar	up to 260 ft. up to 8 bar
Viscosity:	1 - 100.000 cps 1 - 100.000 mPas	1 - 100.000 cps 1 - 100.000 mPas

Motors

3-phase motor 1.1 kW / 1.5 HP for B70V-D 25.2 and 50.1

Lutz, Progressive Cavity Pump, B70V-D/DA, 25.2 and 50.1

Reliable and persistant three-phase motor with cable terminal box or protection switch.

Smooth and quiet operation
Easy to maintain
230/460 V / 60Hz
1.1 kW / 1.5 HP
850 rpm
TEFC splash-proof in accordance with protection class IP 54

Compressed air motor 8-DA for B70V-DA 25.2 and 50.1

Compact and powerful air-driven motor.

Robust and powerful
Delivery flow is easy to control
Overload-proof
1.7 kW / 2.3 HP at 87 PSI (6 bar) operating pressure

Lutz Pump Catalogue

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