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AT80P

Mueller
Product Style Ratings Configuration
Heat Exchanger Plate & Frame 350 PSI / 410°F B / LB / RB Frame
AT80P datasheet Download Datasheet

Note: the unit pictured is representative of the standard build and may not exactly depict p/n AT80P as shown on this page.

Mueller AT80P

AT80P specifications

Description

AT80P is the P-series plate configuration of the Mueller Accu-Therm AT80 frame. It is a distinct part from the base AT80: the frame and port geometry are shared, but the plate pressing is not, so a P plate and a base plate are not interchangeable in a pack and their gaskets differ. The P plate is Mueller's high-pressure pressing, listed in the Accu-Therm I&O manual plate-code table. It carries a deeper draw and heavier support pattern than the base plate, which raises the differential pressure the pack will hold at the cost of a slightly higher pressure drop. Frame geometry is unchanged - 85" by 36" plates on 6" ports, packs from 34-5/8" - 160-5/8", roughly 181 - 4,186 sq ft of surface at about 6.25 square feet per plate, and water flow to 1800 GPM. Gaskets attach by the Loc-In method. Frame styles offered: B Frame - for larger units, plates hang from the upper guide bar; capacity to 900 plates; LB Frame - extended beam frame for long plate packs; RB Frame - beam frame variant (Mueller frame-type designation). If you are matching a nameplate, the series letter is part of the part number and needs to carry through to any plate or gasket order.

Product Overview

Part Number:
AT80P
Series:
Accu-Therm
Brand:
Mueller
Codes & Compliance:
ASME Sec VIII Div 1, CRN, DNV
Also Written:
AT 80P, AT-80P, AT80 P, AT80-P

Configuration & Size

Surface Area (Sq/Ft):
181 - 4,186 sq ft
Connection Type:
Studded port standard; lap-joint, weld-neck, ferrule, Victaulic
Frame Type:
B, LB, RB | B Frame (Beam), LB Frame, RB Frame
Max Plate Count:
670 (est.)
Mounting:
Floor mounted frame
Passes:
Single pass standard; multi-pass available
Plate Height:
85"
Plate Pack Length Range:
34-5/8" - 160-5/8"
Plate Pattern:
P series, chevron H / V
Plate Thickness:
0.5 mm standard
Plate Width:
36"
Port Size:
6"
Wall Construction:
Single wall gasketed
Heat Transfer Area per Plate (Sq/Ft):
6.25 (est.)
Max Flow Rate (GPM):
1800
Performance Rating:
U-value 1,500 BTU/hr-ft²-°F and greater
Performance Rating (Basis):
Clean water-to-water service; 1F to 3F approach. Actual duty depends on plate count, pattern, and fluid properties.

Materials of Construction

  • Frame: Painted carbon steel; stainless optional. Zinc-plated compression bolts
  • Gasket: NBR or EPDM standard; High-Temp EPDM, Viton/FKM, Butyl. FDA/3-A
  • Gasket Attachment: Loc-In
  • Plate: 316 SS standard; 304 SS, Titanium, Hastelloy C-276, SMO 254 optional

Rating

  • Max Temperature: 410°F design; 302°F - 329°F gasket limit
  • Max Working Pressure: 350 PSI design (high-pressure plate)
  • Min Temperature: -20°F (MDMT 32°F typical)
  • Test Pressure: 1.3 x MAWP

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