Single orifice type, fully automatic double function for releasing air during filling the pipe and bringing air in (anti-vacuum) during emptying the pipe. Performances according to the requirements of EN 1074. Body and cover high quality polyamide (Rilsan – PA11) powder coated (fusion bonded), coating thickness DFT min. 250 micron, zero porosity (tested with 3000V), high impact resistance and cross-linkage according to DIN 30677-2 and DIN 3476. Float from non-corrosive material. Body provided with threaded drilling for discharging ball valve connection (available on request). Cover provided with threaded drilling for automatic air valve connection (to obtain a triple function device). Flanged connection with multi-size universal drilling to reduce stock variances (DN 50-65 PN 16-25; DN 80 PN 16-25 and DN 100 PN 16-25). From DN150 flip-on flange version: versatility and changing orientation on field option. Inner basket (from DN80) or special guides into body casting (from DN150) to keep float in optimal position during operation. Minimum operating pressure for watertight: 0,5 bar.

Materials

Body and cover: Ductile iron EN-GJS-400-15 / EN 1563 (former to DIN GGG40)

Float: Up to DN80: polyamide, fully NBR rubber lined – PN10/16 or stainless steel 1.4301/ EN ISO10088 (correspondent to AISI304), fully rubber lined - PN 25 From DN100: stainless steel 1.4301/ EN ISO10088 (correspondent to AISI304)

Seat: Brass CuZn40Pb2

Seat sealing: Outlined NBR rubber, potable water approved.

Basket: ABS

O-Rings: NBR rubber, potable water approved

Bolts/nuts/washers: Galvanized steel class 8.8 to EN ISO 898-1 or stainless steel A2-70 / EN ISO 3506. Stainless steel A4-70 on request.

Plugs: Galvanised malleable iron, or stainless steel A2-70 / EN ISO 3506 on request 

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.