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The constant pressure dropping funnel can perform operations such as liquid separation and extraction. Unlike other drip funnels, constant pressure drip funnels can ensure constant internal pressure. Firstly, they can prevent backsuction, secondly, they can make the liquid in the funnel flow smoothly, and thirdly, they can reduce the impact of increased liquid on gas pressure, making it more accurate in measuring gas volume. It's available in PTFE joint & glass joint two types.
| Item | Volume | Opening | Full length |
| PTFE joint constant pressure dropping funnel | 10ml | 14#*2 | 199 |
| 25ml | 19#*2 | 253 | |
| 25ml | 24#*2 | 253 | |
| 50ml | 19#*2 | 267 | |
| 50ml | 24#*2 | 267 | |
| 100ml | 19#*2 | 315 | |
| 100ml | 24#*2 | 315 | |
| 250ml | 19#*2 | 377 | |
| 250ml | 24#*2 | 377 | |
| 500ml | 19#*2 | 448 | |
| 500ml | 24#*2 | 448 | |
| 1000ml | 24#*2 | 500 | |
| 1000ml | 29#*2 | 500 | |
| 2000ml | 24#*2 | 540 | |
| 2000ml | 29#*2 | 540 | |
| Glass joint constant pressure dropping funnel | 10ml | 14#*2 | 199 |
| 25ml | 19#*2 | 253 | |
| 25ml | 24#*2 | 253 | |
| 50ml | 19#*2 | 267 | |
| 50ml | 24#*2 | 267 | |
| 100ml | 19#*2 | 315 | |
| 100ml | 24#*2 | 315 | |
| 250ml | 19#*2 | 377 | |
| 250ml | 24#*2 | 377 | |
| 500ml | 19#*2 | 448 | |
| 500ml | 24#*2 | 448 | |
| 1000ml | 24#*2 | 500 | |
| 1000ml | 29#*2 | 500 | |
| 2000ml | 24#*2 | 540 | |
| 2000ml | 29#*2 | 540 |
We are professional manufacturer & supplier specialized in Civil Engineering & Material testing equipments since 2003. We can supply various kinds of testing equipments that complies to the following standards ASTM/AASHTO, ISO, EN, DIN JIS, as well as other specialized industry standards. Meanwhile we are authorized oversea market distributer of some famous China testing equipments manufacturer. Our customers come from 6 Continents with more than 90 countries & area since company has been established.
1. Quality assurance--We aim to long term cooperation with every of our customer
2. Reasonable price -- we believe only reasonable price can guarantee reliable quality & service
3. Wide range products--we not only sale own products but also acting products of mulity famous China manufacturers, time saving, easier process, better quality & price, guaranteed service.
4. After-sales service guaranteed--all sold products enjoy 12 months warranty period since products claimed, free spare parts (the transportation cost payment depends on the weight & destination).
5. Fast response & professionalism-- 7/24 response either on sales inquiry or after-sales service, Monday to Friday response within 2 hours, weekend response within 6hours.
6. Multi payment modes--Wire transfer (T/T), Paypal (credit card), Western Union, L/C.
- CONSTRUCTION MATERIAL TEST EQUIPMENT 
- SERVE REAL INSTRUMENTS INTRODUCTION 
