This is a Quincy 112711-150 air compressor pilot unloader check valve combo. This valve cuts in at 95PSI and cuts out at 125PSI. This valve can be adjusted between 30-40+- PSI. This is a 1/2" compression fitting from the pump, 1/2" Female NPT from the tank, and two 1/8" Female NPT ports.
eBay
COXO CP-1 Air Flow Prophy Jet Dental Air Polisher Teeth Whitening Tool 2Holes 4Holes Dentistry Teeth Polishing High Efficiency
Aliexpress UK
（PART # 178D15-KIT）. ★Application: Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.
eBay
2Hole/4Hole Dental Aluminum Oxide Micro Air Abrasion Polisher Teeth Microblaster Dentistry Air Sandblaster Orthodontic use tools
Aliexpress UK
Unloader valve (continuous run unloader) for gas & electric powered air compressors. They are used on both gas engine and electric motor compressors.
eBay
VVDental Dental Air Polisher Dental Bicarbonate Jet Air Flowair for Oral Hygiene Cleaning Teeth Whitening Spray Dentistry Tools
Aliexpress UK
（PART # 178D15-KIT）. ★Application: Commonly used to connect lines for air,water,fuel,oil and inert gases in a quick and simple way.
eBay
Dental Air Polisher 4 hole Abrasion Microetcher Sandblasting Sandblaster Teeth Polishing Air Prophy dentistry tools
Aliexpress UK
1 Air compressor elbow. High-quality materials, sturdy and. [Product Quantity]: 1.
eBay
free shipping 2/4 Hole Dental Air Prophy Polisher Dental Oral Irrigator Calculus Remover Dental Hygiene Prophy Jet Air Polisher
Aliexpress UK
1 Air compressor elbow. high quality. item details [Product Color]: Yellow. [Product size]: as shown in the picture.
eBay
Dental materials Three Way syringe Air Water Spray air Triple 3 Way Syringe Handpiece Oral Syringe Handpiece with 2piece nozzle
Aliexpress UK
The manual unloader lever provides added flexibility, while the adjustable settings allow you to fine-tune the pressure to suit your needs. The preset pressure on this valve can be adjusted. The lower screw, which is larger, should not be altered, as it regulates the valve’s core function.
eBay
Dental Low Speed Handpiece Kit Air Turbine Straight Contra Angle Air Motor Inner Water Spray 2/4Holes
Aliexpress UK
In-line piloted unloader check valve combination with relief valve, part number: 56288756 for Ingersoll Rand. This is a solid brass valve that is manufactured by Conrader in the USA. This combination valve has a 1/2" inverted flare inlet on the top where your main line from the compressor pump comes in. The bottom port on the valve is a 1/2" male NPT that connects into the compressor tank. This valve comes equipped with a 325 PSI relief valve and a 1/8" female NPT port to install a throttle control valve if needed. This valve is factory set to kick on at 105 PSI and shut off / idle down the motor at 145 PSI.
eBay
Mini Pneumatic Air Flux Chipper Chisel Set For Dental Medical Gypsum Cast Stomatology Engrave Micro Gas Shovel Air Scraper
Aliexpress UK