Vacuum Pumps, the Büchi V-700 and V-710 PTFE Diaphragm Pumps
Overview
The Büchi V-700 and V-710 are chemically resistant PTFE diaphragm vacuum pumps for delivering all types of gases and vapors with totally oil free operation.
With a volume flow rate of 1.8 m3/h and a final vacuum of less than 10 mbar the Büchi V-700 covers a large range of laboratory applications and is optimally designed for use with a rotary evaporator. Further typical applications include the evac¬uation of drying cabinets or centrifuges and the creation of vacuum for filtration or for delivery of liquids.
The Büchi V-710 three-stage, four-head pump delivers a volume flow rate of 3.1m3/h with a final vacuum of less than 2 mbar. The pump can be used anywhere high suction capacity or low final vacuum is required.
The unique window head allows for visual inspection of diaphragm making it easy to check for solvent build-up or detection of contamination.
Büchi V-700 Vacuum Pump
Features::
Quiet, low-vibration operation due to ingenious sound insulation system, full housing enclosure and weight balance
Totally oil free operation
Integrated gas ballast: The constantly high suction volumes also dry the diaphragms during operation
Compact design and solid workmanship, with integrated carrying handle (V-700)
Büchi V-710 Vacuum Pump
Features::
An innovative variable speed and stroke control for regulating speed to provide a precise hysteresis-free vacuum (in combination with vacuum controller V-850/855)
Effective safety features: the pump will only operate when the housing is closed, there is electrical surge protection with reset and an integrated operating hours meter.
There are three optional methods for control.
The V-850 vacuum controller:
Designed for standard applications.
This controller regulates the pressure of the pump and has a timer function for stopping the process after a preset time.
It includes simple menu control and USB interface for data transfer to a PC for storage, evaluation, and optimization.
Needle Valve Control Display, V700 Pump with Needle Valve Control
Simple manual vacuum control by needle valve:
Draws air in through a fine regulation valve to set the vacuum. A manometer displays the pressure.
A Woulff bottle is recommended and there is no data interface.
V-850 and V-855 Vacuum Controllers
The V-855 vacuum controller:
Includes the same functions as the V-850 controller along with a programming function for pressure gradients for special distillation tasks, storing up to 15 processes.
This controller also includes automatic distillation with the unique stage probe that detects the condensation limit and regulates the pressure appropriately.
The V-855 controller features a repeat function so the pressure curve of a manual or automatic distillation can be stored and retrieved anytime as the setpoint values for optimum process conditions.
V-700 Vacuum Pump, V-855 Controller and Secondary Condenser
The EasyVac V-801 vacuum module:
Regulates vacuum during distillation.
This module automatically finds the distillation start point, controls the pressure to follow the vapor pressure curve, and then determines the end point of distillation using stored algorithms.
V-700 Pump and EasyVac V-801 Vacuum Module
The LabVac V-802 vacuum module:
Developed specifically as a laboratory vacuum source for multiple consumers.
This module allows pump operation to be switched on and off to combine the provision of the required vacuum with minimum energy use. In CONT mode, the pump operates continuously to create as low a vacuum as possible, irrespective of the number of connected consumers.
V-710 Pump and LabVac V-802
With a wide range of hose fittings, adapter cables for valves from other manufacturers, and connection pieces, the vacuum can be adapted to suit different systems.
The compact, high-performance secondary condenser produces maximum condensation of residual solvent vapor. At the same time, it separates any liquid solvent from the pump, putting it directly into the receiving flask. Insulation sleeves prevent the formation of undesirable condensation and provide the condenser with effective protection against mechanical damage.
Secondary Condenser
The secondary cold trap is for use when dry ice is used instead of cooling water.
The recommended Woulff bottle equalizes pressure and acts as a buffer vessel and condensate trap, catching particles and droplets.
Cold Trap
Woulff Bottle
Specifications (Click here):
Vacuum Pumps, the Büchi V-700 and V-710 PTFE Diaphragm Pumps
Specifications
Model:
V-700
V-710
Capacity: (m3/h)
1.8
3.1
Number of Steps (heads):
2 (2)
3 (4)
Final vacuum (absolute): (mbar)
<10
2
Final vacuum (with gas ballast): (mbar)
24
8
Connections:
GL 14
GL 14
Power consumption: (W)
210
370
Electrical requirements: (V/Hz)
100-240/50-60
100-240/50-60
Pump motor
DC brushless
DC brushless
Nominal Speed (Maximum): (rpm/m)
1600
1600
Sound pressure level: (dBA)
40-52
41-55
Safety class:
IP 34
IP 34
Materials in contact with media:
PEEK, PTFE, glass, FEP
PEEK, PTFE, glass, FEP
Dimensions: W×D×H (mm)
180×206×275
177×378×297
Weight: (kg)
5.3
10.4
Number
Description
Price $
071000
Büchi V-710 Vacuum Pump
3,182.67
071100
Büchi V-710 Vacuum Pump with manual needle valve
3,770.67
071101
Büchi V-710 Vacuum Pump with needle valve and secondary condenser
4,933.33
071211
Büchi V-710 Vacuum Pump with V-850 Vacuum Controller, Woulff Bottle and Secondary Condenser
7,324.00
071210
Büchi V-700 Vacuum Pump with V-850 Vacuum Controller and Woulff Bottle
6,116.43
072000
Büchi V-710 Vacuum Pump
8,601.67
072200
Büchi V-710 Vacuum Pump with V-850 Vacuum Controller
12,402.67
072211
Büchi V-710 Vacuum Pump with V-850 Vacuum Controller, Woulff Bottle and Secondary Condenser
14,261.33
47231
Büchi V-850 Vacuum Controller
3,400.18
47232
Büchi V-855 Vacuum Controller
4,735.59
47252
EasyVac V-801 Vacuum Module for gentle evaporation of individual solvents or complex solvent mixtures.
2,052.09
47254
LabVac V-802 Vacuum Module for a laboratory vacuum system with several consumers.
2,429.87
47153
Replacement diaphragm for V-700 and V-710
203.81
04133
Silicone hose, for cooling water, per meter
11.38
17622
Vacuum hose, neoprene (flexible), per meter
41.24
27277
Vacuum hose, PTFE (rigid), per meter
79.33
047235
Automatic Distillation Probe
406.40
047190
Cold trap module, complete
1,429.81
047180
Secondary condenser including insulation
1,369.07
047170
Woulff bottle, for trapping particles and droplets for pressure equalization (necessary in stand alone system with V-700)
398.22
047291
Manual Vacuum Controller, manual setting of vacuum using a needle valve and a simple display of pressure. Recommended for use in combination with the Woulff bottle.
700.80
031356
Cooling water valve 24V, the vacuum controller automatically opens the cooling water feed only during distillation.
