non return

Place the pump above water level to protect water from flowing backwards, otherwise it should be fit with a non-return valve.

First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler.

Non-return part of the quality of reasons: to pay suppliers procurement costs arising from the loss.

This table can also be made to send non-return of the source of signal transmission path.

The invention relates to a valve, in particular to a non-return pressure-reducing valve.

Artificial insemination of animals. Method of calculation of the non-return rate for bulls.

Water pumps at the end of the relevant type of valve is also a non-return valve.

The first question on every Android fan's mind is likely, "Well, what about Apple's App Store non-return policy? "

I have stepped onto a non-return road in love, but, with the rose you sent to accompany me on my road, why should I worry about loneliness?

In addition to this, install a non-return value in the oil supply line.

Fixed firefighting systems - Components for gas extinguishing systems - Requirements and test methods for check valves and non-return valves

The heated oil-injected compressed air, presses through the non-return valve in to the oil separator

Canted disc butterfly valve Link butterfly valve Combined non-return butterfly valve

Verification of the withdrawal from Cambodia and non-return of all categories of foreign forces;

Application of Non-return Grout Injection Nozzle in Chemical Grouting of Concrete Crack

Steadiness of Non-return Valve against Additional Disturbance

Setting of Non-return Valve in the Fire Fighting and Water Supply System

The Research on Keeping Pressure Expiration in Hydraulic Control Non-return Valve

Non-return to the universally condemned policies and practices of recent past;

Key Component to Quality Control of Injection Molding Product--Non-return Valve

PLC Used in Control System of Hydraulic Non-Return Butterfly Valve

Flanged suction strainers without non-return valve

Application of Rubber Non-return System on Overflow Gates

Non-Return Valves for Special Applications

retaining valve(non-return valve, check valve)

Study on the Diameters of Piston and Valve Ball of Non-return Valve

x One pump inlet filter with non-return device override

x One return filter with non-return device override

The design of milling clamps for non-return valves

STOP CHECK VALVE (BOILER NON-RETURN VALVE)

Non-return to the policies and practices of the past;

Technical specifications for valves for shipboard use - Part 5: Cutt off type non return valves

Too little retract to cause the non-return valve closing unstably

Stop check valve ; non-return valve