Thanks to Venturi effect: low head losses, noiseless and reliability in non return device. Exploitation of Venturi effect to obtain reliability in non return device with low head losses and noiseless. Minimum differential pressure for opening: 0,1 bar. Minimum differential pressure of closing for a perfect sealing: 0,5 bar. Solid plug fully rubber coated controlled by stainless steel retained spring. Flow value directly depending by opening degree. Brass seat for sealing by compression with the plug rubber. Maximum working temperature: 70°C. Operating pressure: 16 bar. Testing pressure: 25 bar

Materials

Body: Ductile iron, GJS 500-7 UNI EN 1563 (former to DIN GGG50)

Valve plug:  Ductile iron, GJS 500-7 UNI EN 1563 (former to DIN GGG50) with EPDM rubber coating

Seat: Brass CuZn40Pb2

Spring: Stainless Steel 1.4301 (AISI 304)

Bushing: POM

Raci Spacers India Private Limited

Raci India was established in 2009 as a subsidiary of Raci SRL Italy to provide quality engineering solutions for the installation of oil and gas pipelines. Due to the sheer market's proximity to India, we began servicing the Middle East market in 2011.
In 2018, Flowheel FZE, the Middle East arm of RACI Pipeline Division of Raci SRL, Italy, began operations from Ras Al Khaimah Free Zone in the United Arab Emirates.
RACI has a significant presence in Iraq, Kuwait, Saudi Arabia, the UAE, Qatar, Bahrain, and Oman.
We work in both the water and oil and gas industries. Since 2018, Flowheel has been expanding its RACI business by entering into new partnerships and carving out a niche in the market from its Middle Eastern base.
In 2020, Flowheel and RACI India collaborated with Radlinger Primus Line Gmbh, Germany, to provide trenchless rehabilitation of underground pipelines in critical installations.