Best Diaphragm Coupling

ADC Platinum Adscope Lite 614 Lightweight Pediatric Stethoscope with Tunable AFD Technology, 30.5 inch Length, Pink

Gasketed diaphragm alters its effective size and frequency response by simply changing pressure, bell-type low frequency response is achieved by simply holding the chestpiece in place with light pressure.
Firm pressure will produce diaphragm-type high frequency performance, sculpted chestpiece made from lightweight zinc alloy plated with an attractive satin finish, aluminum binaurals in satin finish.
Double leaf internal spring fixed at 15 degree angle for greater comfort, reinforced yoke molded into flexible 22" pvc "y" tubing.
Adsoft delux pvc eartips for the ultimate in wearing comfort and acoustic seal, sprare diaphragm included, scope id tag included.
The 614 pediatric chestpiece is sculpted with 1inch diameter diaphragm,diaphragm retaining rim color matched to tubing, inspected in the usa.

【INDUSTRIAL QBK-15】Material:Cast iron,aluminum alloy,Stainless steel.Inlet Port: 1/2 inch.
【EXCELLENT EFFICIENCY】Double diaphragm pump motor design delivers optimum air efficiency.Double Diaphragm:PTFE, Nitrile Rubber and Polychloroprene..
【RELIABILITY】 Diaphragm pump unbalanced air valve ensures no-stall operation.Air diaphragm pump good abrasion resistance, chemical resistance, and heat resistance..
【SAFETY】 Air diaphragm pump bolted construction for leak-free fluid handling..
【VARIOUS INDUSTRIES】Diaphragm pump can petroleum, metallurgy, mining, coating material, printing, paper making, water treatment, automotive and other chemical industries..

Award winning ergonomic design and excellent acoustic sensitivity deliver comfort and reliable diagnostic performance.
Tunable diaphragm responds with a simple pressure change to capture low and high-frequency sounds.
Anatomically designed headset is angled to meet the path of the ear canal.
Non-chill rim and diaphragm offers welcome patient comfort.Diaphragm Diameter 1.75 Inch Diaphragm Diameter (metric) 1.73 inches.
Latex free materials for allergy sensitive users.
Headset Material: Wide diameter aerospace alloy / Anodized aluminum.

Male coupling - Aluminum 2 inch Pipe Thread (NPT).
Female Coupling - Brass 2 inch Straight Pipe Thread (NPSH) With Gasket.
The Female Coupling Will Only Connect To A Male 2 inch NPT PVC Pipe, Pool Pump or Metal Pipe.

USE OCCASIONS: The mini diaphragm water pump is mainly used in pumping environments, which can be used in household appliances, models, aquarium equipment, etc..
SPECIFICATIONS: The inlet and outlet of mini diaphragm water pump are all fixed calibers, the outer diameter of the water inlet is 7mm, and the outer diameter of the water outlet is 4mm, which is very convenient for installation..
MATERIAL: The material of mini diaphragm water pump is very high quality, so the product has high durability and long service life..
STABILITY: The mini diaphragm water pump has excellent performance, small size, easy to carry, stable operation, and is a good choice..

Zero backlash. One-piece metallic spring coupling. For little torque shaft connect..
Absorption of parallel, angular misalignments and shaft end-play by spring action..
Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required..

SELF-RESETTING. This A-series 5th wheel hitch features a unique, ergonomic handle and extra-wide head to make coupling your 5th wheel trailer easier than ever. After uncoupling, the handle self-resets to the ready-to-couple position.
FULL ARTICULATION. This 5th wheel hitch provides controlled towing of your 5th wheel camper with its patented head technology. The head is built on a cast yoke with poly-torsion inserts that reduce shock loads, chucking and noise at the coupling point.
COUPLING INDICATOR. Built into this 5th wheel hitch is a 3-position indicator that shows the coupling status. It conveniently shows if the 5th wheel hitch is coupled, uncoupled or ready to tow.
TESTED STRENGTH. This 5th wheel hitch is tested and rated for 20,000 lbs. gross trailer weight and 5,000 lbs. vertical load (limited to lowest-rated towing component). It is tested according to SAE J2638 specifications.
VERSATILE FIT. This 5th wheel hitch includes the hitch head only. It is designed to mount onto a 5th wheel roller or legs (sold separately).

Material: made of good quality brass, antioxidant and durable.
12 pcs brass material 6mm length hexagon motor flexible coupling.
Coupler copper shaft coupling for the automotive tires DC motor robot car.
Package Include: 12 x Shaft Motor Flexible Coupling Coupler, 4 x Allen Wrench, 24 x Screws.

Zero backlash. One-piece metallic spring coupling. For little torque shaft connect..
Absorption of parallel, angular misalignments and shaft end-play by spring action..
Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required..

Unique slots grab locknut wings without breaking them off.
Universal tool fits most metal lock nuts, most coupling nuts, most PVC locknuts and most metal and plastic toilet supply nuts.
Cutaway design fits around existing supply lines toremove coupling nut.
Once coupling nut is removed, cutaway fits aroundthe faucet shank (½-Inch) to remove metal and plastic nuts.
Use with ¼ or 3/8-Inches ratchet drive, adapter included.