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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

Diffuser

Style

Suction

Nominal Size

4 x 3 in

Body Material

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

Bolts Material

SAE J429, Grade 5, Zinc Electroplated

Heavy Hex Nuts Material

ASTM A563, Grade A, Zinc Electroplated

Diffuser Basket Material

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

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

Flanges Material

Carbon steel class 150# conforming to ASME B 16.5.

Drain & Gage Plugs Material

Carbon steel square head plugs conforming to ASME B16.11.

Gaskets Material

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

Rust inhibiting paint – Color: ORANGE

Max. Rated Pressure

300 psi

Orifice Cylinder Open Area

58 in²

Product Number

0390050565

UPC Code

69029110996

Weight

37 lb