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The Fig. 7250 Gruvlok Suction Diffuser protects your pump and saves you money on your overall installed cost while offering you these advantages:
SAVES SPACE:
Mounts directly to the pump. Length is ideal for header spacing, reducing the need for additional fittings.
SAVES LABOR AND MATERIAL:
The lightweight compact design is easily installed with no need for welding.
IMPROVES PUMP PERFORMANCE:
The one-piece diffuser vane and strainer design reduces flow turbulence, streamlines the flow, and traps any hazardous foreign material to better protect your pump.
Unit of Measure

Specifications

Type

 N/A Diffuser

Style

 N/A Suction

Nominal Size

 N/A 4 x 2 1/2 in

Body Material

 N/A Carbon steel Schedule 40 conforming to ASTM A 53, Grade B

Bolts Material

 N/A SAE J429, Grade 5, Zinc Electroplated

Heavy Hex Nuts Material

 N/A ASTM A563, Grade A, Zinc Electroplated

Diffuser Basket Material

 N/A Stainless steel type 304, #16 perforated plate with 3/16" diameter holes. (51% open area). Pre-Filter: Stainless steel type 304 screen - 16 mesh. (removable).

Couplings Material

 N/A Ductile Iron conforming to ASTM A 536, Grade 65-45-12.

Flanges Material

 N/A Carbon steel class 150# conforming to ASME B 16.5.

Drain & Gage Plugs Material

 N/A Carbon steel square head plugs conforming to ASME B16.11.

Gaskets Material

 N/A Grade "E" EPDM (Green color code) -40°F to 230°F (Service Temperature Range)(-40°C to 110°C) Recommended for water service, diluted acids, alkalies solutions, oil-free air and many other chemical services. NOT FOR USE IN PETROLEUM APPLICATIONS. Grade “EP” EPDM (Green and Red color code) -40°F to 250°F (Service Temperature Range)(-40°C to 121°C) Recommended for water service, diluted acids, alkalies solutions, oil-free air and many other chemical services. NOT FOR USE IN PETROLEUM APPLICATIONS. For hot water applications the use of Gruvlok Extreme Temperature lubricant is recommended. NSF-61 Certified for cold and hot water applications up through 12". Grade “T” Nitrile (Orange color code) -20°F to 180°F (Service Temperature Range)(-29°C to 82°C) Recommended for petroleum applications. air with oil vapors and vegetable and mineral oils. NOT FOR USE IN HOT WATER OR HOT AIR.

Coatings

 N/A Rust inhibiting paint – Color: ORANGE

Max. Rated Pressure

 N/A 300 psi

Orifice Cylinder Open Area

 N/A 48 in²

Product Number

 N/A 0390050557

UPC Code

 N/A 69029158126

Weight

 N/A 36 lb