Manual

Product Description

General description 3700

Product description

The Model 3700 is a high-pressure, high-temperature centrifugal pump that meets the

requirements of API Standard 610 10th Edition (ISO 13709).

Figure 5: 3700 pump

Casing

The casing is a centerline-mounted design. The gasket is fully confined.

The standard flanges are ANSI Class 300 raised-face serrated. The following flanges are also

available:

• ANSI Class 300 flat-face serrated

• ANSI Class 300 ring joint

• ANSI Class 600 flat-face serrated

• ANSI Class 600 ring joint

Impeller

Flange Orientation

• End Suction (3700/3700LF/3703)

• Top Suction (3710)

The impeller is fully enclosed and key driven by the shaft. One of the following parts prevents

axial movement:

• Impeller bolt with a lockwasher

• Impeller nut with a locking set screw

Table 3: Impeller

3700/3710 3700LF/3703

Enclosed Impeller Semi-open Impeller

14 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance

Manual