Proco ProFlex - Model Style 720 - In-Line Flanged Rubber Duckbill Check Valve
From Check Valves
The Proco ProFlex 720 in-line flanged rubber duckbill check valve is designed to fit directly inside of an existing pipe. This particular valve is supplied with a flat face rubber flange, which allows installation between existing pipe flanges, and eliminates the need for a valve body. Various drilling standards are available upon request.
Some notable features of the Proco ProFlex Style 720 rubber duckbill check valve include:
- All-rubber construction to resist abrasive slurries
- NSF 61 standard construction
- Ultra-quiet operation, with no water hammer
- Unique design to prevent backflow
- Negligible maintenance and energy costs
- Will not warp or freeze
- Quick interchange with any flap type check valve
- Available in sizes from 1” to 96”
- Available with special ID to suit concrete pipe
The PROCO Series 700 “ProFlex” Rubber Check Valve is a cost effective way to control back pressures from sewage treaent plants, outfalls and tidal operations. They are a fully passive flow device requiring neither maintenance nor any outside sources of power or manual assistance to operate.
The PROCO Series 700 “ProFlex” Check valves are offered as direct replacements for ineffective and maintenance ridden flap type check valves, commonly known to seize, rust and bind in unwanted positions. Unlike flap type valves, the “ProFlex” rubber check valve will handle large obstructions without jamming or having swing gates binding open. Specify the PROCO Series 700 “ProFlex” rubber check valves to provide backflow protection from (1) Sewage slurries, (2) Outfalls to ocean fronts from heavy rainfall activity, (3) Prevention from land erosion due to back flow conditions, (4) Protection from saltwater to fresh water ponds and catch basins and numerous other water based applications. Our history in the manufacture of rubber piping products dates back to 1930. When an engineered solution is needed to solve a piping or backflow problem, call PROCO.
The PROCO Series 700 “ProFlexTM” Rubber Check valves are available in a Flanged (Style 710 or 720), Sleeved (Style 730 or 740), or Jacketed (Style 750). Inline orifice (style 770/780)
Style 720:Flanged Inline: Designed to fit directly inside of an existing pipe. Supplied with a flat face rubber flange which allows installation between existing pipe flanges eliminating the requirement for a valve body. Other drilling standards are also available upon request.
The ProFlex 720 Flanged In-line Rubber Duckbill Check Valve is designed to fit directly inside of an existing pipe. The unique advantage of this valve is that it can be slipped inside of the pipe and installed between existing pipe flanges, and eliminates the need for a valve body.
The ProFlex 720 Flanged Inline Rubber Duckbill Check Valve comes standard with ANSI 125/150# flange drilling and can also be supplied with ANSI 250/300, DIN, JIS, BS or AS flange patterns.
All ProFlex 720 Flanged Inline Rubber Duckbill Check Valve are special manufactured valves suited to your pipe I.D. and are available up to 96” in diameter and can also be custom manufactured to meet specific head and back pressures.
For higher pressure/vacuum requirements, the ProFlex 720 Flanged In-line Rubber Duckbill Check Valve can also be manufactured using a unique Internal Vacuum Supports (IVS) design which is homogeneous to the inner reinforced layers of the valve allowing a full flow with no obstructions and yet providing excellent anti-inversion features.
All PROCO Series 700 ProFlex rubber check valves are available in a wide selection of back pressure capabilities and elastomers, including NSF/ANSI 61 certified material. Because of the wide array of available configurations, there’s sure to be a Series 700 ProFlex valve to suit your application.
PROCO ProFlex check valves won’t freeze or deform, and they function solely on the inlet and back pressure which are present in each unique situation.
Each valve is designed by some of the most experienced rubber technicians in the industry, and are carefully constructed using the finest engineered materials available. All of our Series 700 ProFlex valves are precisely manufactured to ensure proper operation, and will provide years of unhindered, trouble-free service.