valves造句怎么写

That oyster closed up its valves.

Pumps, Agitators, blenders, kneading devices, sliding valves, armatures, valves and stem pipes.

A kind of slope slots and embeded plates hoisting expanding type valve sealing mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.

Mostly , the aortic and mistral valves are most often affected .

Some valves cannot be closed. There is leakage.

Shipbuilding . sea water valves . screw - down stop - and - check valves with opening mechanism . pattern iv . operating mechanism parts list.

Turn the water off at the shutoff valves and remove the hot and cold supply lines running from the shutoff valves to the faucet.

Hydraulic fluid power — four-port modular stack valves and four-port directional control valves, sizes 02, 03 and 05 — Clamping dimensions.

Atrioventricular valves lie between the atria and ventricles, and semilunar valves are located at the bases of the two large vessels leaving the heart.

Cost-effectiveness in the laboratory: should we examine hernia sacs or calcified heart valves?

The test stand prepares the ground for a through investigation into drill pump valves.

The sound of valves is inherently superior to that of any kind of semi-conductor.

In order to prevent misuse, and some special valves and the cylinder using a special connection between the mouth.

Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.

Material is separated from the conveying air at the use point, then discharged on a batch basis via butterfly or slide gate valves, or continuously via rotary airlock valves.

To check the pipes, valves, connections, such as whether there is leakage of hose, if any, should be promptly repaired.

Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.

Designed for valves and lower shaft speed applications under medial pressure in food processing, pharmaceuticals, paper mills, fibre plants where high purity and corrosion resistance is required.

Butterfly valves, sizes 8 "and larger, when used on liquids, show a marked increase in dynamic torque which tends to close the valve."

J41N Type PN40 steel globe valves: manual, flanged, straight-through, the valve seat sealing surface material as nylon plastic, nominal pressure PN40, carbon steel valve body material cut-off valve.

This means that the operating mechanism must be able to move sufficiently far enough away from the valve to allow the valves to be fully closed against its seat by the valve spring.

Some cylinders are equipped with two valves: one having a full-length eductor tube for liquid withdrawal and the other a valve without an eductor tube for gas withdrawal or inert gas padding (see Fig. 2 and section on liquid-phase withdrawal).

Our product line includes: Gate valves, Check valves, Globe valves, Non-Return valves, Dual-Plate Check valves, and High Performance Butterfly valves.

Available for Premium Electric actuated Ball valves and Butterfly valves.

According to the work of a low pressure vacuum valves, ultra high vacuum valves and vacuum valves.

Grinding valves would require several more hours.

Butterfly valves have flow characteristics three times better than globe valves and approximately 75% of an equivalent size gate valve.

No dewatering of stock, unlike standard knife gate valves.

"Most 400 series stainless steels are heat-treatable. The most common applications in valves are, for stem material in butterfly valves, and backseat bushings and wedges in cast steel valves."

Where required, the piping installation shall include valves for isolation, bypass capable of full flow manual control, and drain and vent valves.

German producer of high quality valves is looking for an ambitious Sales Engineer.

Offering a wide range of control capabilities, including built-in PID-controllers, ASI and Field Bus connections, Burkert supplies the most reliable and innovative solenoid valves, process valves, pneumatic systems, sensors and complete fluid systems.

Union fittings and shutoff valves should be installed on both sides of trap for ease of servicing and trap testing.

The results show that the uneven distribution banded carbide due to abnormal spheroidization is one of important factors causing the quality problems of the valves after electric upsetting.

The exterior of the tank body is provided with an interlayer water jacket provided with a constant temperature heating device and a water inlet and a water outlet valves.

There are over high vibrations and noises of the main steam piping lines of a Nuclear Power Plant. Wear abrasion of the main steam isolation valves was found during the fall outage.

Control valves, such as proportional valves are not required.

Inflammation of the endocardium and heart valves.

The characteristics of FEP and lining technics of valves

8 min An operator notices that the valves for the backup pumps in the secondary loop are off. He opens the valves. The secondary side now operating normally.

"Butterfly valves, sizes 8"and larger, when used on liquids, show a marked increase in dynamic torque which tends to close the valve. For this reason, gear operated or actuated valves are recommended."

Spherical brush can deft quickly to various shapes and sizes cylinders, valves, lumen, piping of best surface treatment.

An instrument having a flexible bag inflated either by a tube with valves or by bellows, a double - reed melody pipe, and from one to four drone n used in the plural.

According to structural characteristics of a flapper valve, flapper valves, butterfly valves, ball valves, diaphragm valves, Angle valves, through the valve, three-way valve.

This forces blood out of the exit valves and into the body, and by the time the lower Chambers and exit valves relax, the upper Chambers and entry valves are receiving another electric prompt.

These valves vent accumulations of air and gas while the system is in operation and under pressure.

electronic valves and tubes

WARNING: Improper use of cylinder valves may result in serious injury!

We specialize in making a wide range of ball valves, brass ball, brass ball valve, ball valves accessories, ball valves manufacturers.

Gate valves are offered in two designs: Parallel Disc and Flexible Wedge. Parallel Disc are position seated; Flexible Wedge are torque seated when closing.