A back seating valve (10) includes a valve body (12) including a valve plug (30) having a threaded through-bore (33); and a valve element (56) with a threaded valve stem (58) and a valve head (60). The valve plug (30) and valve stem (58) are initially preassembled and then ...
释义: 全部,落座,后座,后座仰臣式,后座密封 更多例句筛选 1. The valve bonnet may now be removed. There may be a slight leakage, as the metal-to-metal backseating does not provide a drip-tight seal. 现在可以拆卸阀盖。如果金属-对-金属后座没有实现无滴漏密封,则可能会有轻微的泄漏。 www.h6688...
To solve this problem,it is highly recommended to use a balanced bellows safety relief valve.The effective area of the bellows is substantially the same as the seating area of the disc on the nozzle and the bellows is vented to atmosphere through a hole drilled into the bonnet wall....
Seating load and resultant tightness is dependent uponback pressure. 阀座密封负载和组合的紧密性是与返回压力密切相关. 互联网 Back - pressure protection is needed to prevent damage to the regulator. 需要回压保护,以防止损坏调整器. 互联网 This means that on exhaust stroke, the engine has to push ...
Patent pending valve designed to help keep water from entering via the scuppers AND to drain any water that may come over the side while you are paddling. Click to view a Size and Quantity Chart to find out which models the scupper valve fits. We stock the Longer and Short valves. The...
, where an unsuspecting patron hit her head on a decorative glass bowl that protruded into the seating area of a hotel lobby.Sure, the thing was open and obvious in the literal sense, but the court in Phelps held a reasonably prudent person might not have noticed the risk of injury from...
Backwater valve seat protector A hard, durable valve seat or “valve seat protector” is provided in a plastic backwater valve with a flapper valve. The seating is more resistant to wear caused by cleaning, giving it a longer useful life despite the use of a......
A hard, durable valve seat or “valve seat protector” is provided in a plastic backwater valve with a flapper valve. The seating is more resistant to wear caused by cleaning, giving it a longer useful life despite the use of a less durable, less expensive plastic material for ...
A valve seating surface 42 is provided inside housing 40 around inlet port 22. Valve seating surface 42 is preferably planar. Valve member 32 comprises a transversely mounted pin 34 attached to a flap member 36 by a short bridge member 37. Pin 34 is retained by a clip 44. Clip 44 permit...
A suck back valve is equipped with a second valve by which a flow amount of a pressurized fluid, which is sucked by a third diaphragm, is electrically controlled based on an output of activation and d