301 Swing Check Valve (Grooved)

301 Swing Check Valve (Grooved)

  • FM Approved Logo Mid Grey 300.jpg
  • UL Logo Mid Grey.jpg
Size range 50mm - 300mm (2" - 12")
Body type Grooved
Maximum working pressure 20.7 bar (300 psi)
Working temperature 0°C to 80°C (32°F to 176°F )
Body material Ductile Iron
Approvals FM Approved, UL Listed

Rapidrop Figure 301 is a rubber faced, grooved swing type check valve that allows water flow in one direction only.

A hinged clapper remains open with water flowing in one direction, and automatically closes, with the help of an incorporated spring, when flow stops preventing backflow.

Rapidrop Figure 301 grooved swing check valve is suitable for installation in both horizontal and vertical (with the flow upwards) pipelines.

Dimensions

Rapidrop RD301 Swing Check Valve (Grooved) dims

Sizes Dimensions (mm) Weight (Kg)
Inch mm L D1 D2
2” DN 50  171 57.15  60.3   3.3
 2.5”* DN 65  184  69.09  73.0 3.6 
2.5” DN 65  184  72.26 76.1   3.6
3” DN 80  197  84.94 88.9   4.6
4” DN 100 210   110.08 114.3  7.4 
5”** DN 125  248  135.48 139.7  10.0 
5”** DN 125  248 137.03   141.3 10.0 
6” DN 150  324  160.90 165.1  16.1 
6”* DN 150 324  163.96  168.3   16.1
8” DN 200 371  214.40  219.1  26.9
10” DN 250  457 268.28   273.0  51.9
12” DN 300  535 318.29  323.9  75.6 

*only FM approved

**not FM/UL approved

 

Material Specifications

Rapidrop RD301 Swing Check Valve (Grooved) spec

Description Material
Valve Body Ductile Iron 65-45-12
Spring Stainless Steel 304
Hinge Pin Stainless Steel 420
Hinge Bushing Brass C26800
Hinge Plug Malleable Iron Zinc Plated
Clapper Arm

Stainless Steel 304(≤4”)

Ductile Iron 65-45-12 (>4”)

Clapper Gasket EPDM
Retaining Disc Stainless Steel 304
Spring Washer Stainless Steel 304
Nut Stainless Steel 304
Seat Ring Brass C83600
Drain Plug Malleable Iron Zinc Plated
Eye Bolt* Carbon Steel Zinc Plated
   
   
   

*DN200 / 8” and above