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API Schmidt-Bretten, API Heat Transfer group
BPS Series

BPS Series

Product catalog summary

Overview: The document provides technical specifications and guidelines for the BPS Series of water-cooled brazed plate heat exchangers, designed for oil to water applications. These exchangers are constructed with stainless steel and copper brazing, offering high performance and compact design.

Features:

Constructed with Type 316 stainless steel plates and copper brazing, with optional nickel/chrome brazing.
Corrosion-resistant, compact design with SAE oil and NPT water connections.
Standard mounting studs and optional mounting brackets available.

Ratings:

Maximum working temperature: 350°F at 450 psi.
Maximum working pressure: 450 psi, with a test pressure of 600 psi.
Pressure and temperature ratings can be adjusted with derating.

Materials:

Plates: 316L Stainless Steel.
Braze: Copper (standard), Nickel/Chrome (optional).
Stud Bolts, Connectors, and Mounting Brackets: 304 Stainless Steel.

Ordering Information: Models are available in various sizes, such as 12x5 and 20x10, with options for foot mounting brackets.

Dimensions and Models: The document lists dimensions and specifications for various models, including BPS-12-12x5 and BPS-80-20x10, with details on SAE and NPT connections.

Performance Curves: Graphs illustrate the relationship between oil flow (GPM), horsepower heat removed, and pressure drop across different models. Correction multipliers for oil viscosity are provided.

Selection Procedure:

Performance curves are based on 100 SSU oil at a 40°F approach temperature.
Steps include determining horsepower heat to be removed and actual oil pressure drop.
Typical operating temperature ranges for various oils are provided.

Oil Temperature and Pressure Drop:

Guidelines for selecting oil coolers based on entering or leaving oil temperatures.
Formulas for calculating oil temperature change and leaving temperature.
Recommendations to limit pressure drop to 5 PSI or less in certain applications to avoid damage.

Catalog excerpts

STAINLESS STEEL CONSTRUOTiON Features ■ Stacked Plate ■ Stainless Steel ■ Copper Brazed ■ Oil to Water Applications ■ High performance ■ Compact Design ■ SAE Connections ■ Corrosion Resistant Type 316 Stainless Steel Plates ■ Mounting Studs Standard ■ SAE Oil Connections, NPT Water Connections ■ Optional Mounting Bracket ■ Optional Nickel/Chrome Brazed Construction Maximum Working temperature 350° F at 450 psi1 Maximum Working pressure 450 psi2 test pressure 600 psi plate Material 316L Stainless Steel Braze Material Copper - Standard Nickel/Chrome - Optional Stud Bolts 304 Stainless Steel Front and Back pressure plates 304 Stainless Steel Connectors 304 Stainless Steel Foot Mounting Brackets 304 Stainless Steel Model number Model Size Selected options Series of plates 12 x 5 FB - Foot Brackets Bps - SAE Oil Connections, NPT Water Maximum working temperature can increase with derating of working pressure. Maximum working pressure can increase with a derating of working temperature. Pressure rating is for copper brazed only.

Open the catalog to page 1

NOTE: We reserve the right to make reasonable design changes without notice. Dimensions are in inches. SAE Connection Thread Forms: #12 SAE = 1-1/16 - 12UN-2B #20 SAE = 1-5/8 - 12UN-2B #24 SAE = 1-7/8 - 12UN-2B NPT Connections are internal threads (female). Thermal Transfer Products

Open the catalog to page 2

Horsepower Heat Removed PRESSURE DROP Performance Correction Pressure Drop Correction Correction Multiplier Correction Multiplier

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Performance Curves are based on 100SSU oil at 40°F approach temperature (125°F oil leaving cooler, 85°F water entering cooler), 2:1 oil: water ratio (1 GPM water flow for each 2 GPM oil flow). Determine Curve Horsepower Heat to be Removed. Horsepower heat load x Oil leaving cooler °F x Minus water entering cooler °F Curve Horsepowe r Heat to be Removed IStep 2 Determine Actual Oil Pressure Drop. Pressure drop shown on curve x Pressure drop correction multiplier = Actual pressure drop. Oil Temperature Oil coolers can be selected by using entering or leaving oil tempertures. Typical operating temperature...

Open the catalog to page 4

BPS Series

BPS Series

Catalog excerpts

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