Brochure

Product Overview

• Magnetic Checking Action

• Near Zero Internal Leak Rate

• Hermetic Construction

• 1/4” through 2-5/8” Connections

• Built-in 30 Mesh Stainless Steel Strainer

• UL/CUL Approved (File # SA 5312)

• Can Be Installed in Any Position

• Installs with Hard or Soft Solder

• Drop-in Dimensions for Competitive Models

Applications

• Compressor Discharge Lines

— Prevents flow from condenser to compressor during off-cycle

— Prevents flow from operating compressor to idled compressor

• Liquid Lines

— Prevents reverse flow through unused metering device on

heat pump

— Prevents backup in low pressure line of recirculating system

during defrost

For All Commercial AC

& Refrigeration Applications

ACK Check Valve

The Emerson

ACK Check Valve

Feature Function Benefit

Hermetic design Provides a permanent seal Will not leak

100% copper construction Improves system connection Easier brazability

Identical lay-in to competition Simplifies system installation Interchangeability

30 mesh stainless steel

inlet screen

Captures system debris Seat surface protection

Magnetic actuation Closes valve securely Operational in any position

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ACK Check Valve ACK Check Valve ACK Check Valve ACK Check Valve For All Commercial AC & Refrigeration Applications The Emerson® ACK Check Valve Product Overview • Magnetic Checking Action • Near Zero Internal Leak Rate • Hermetic Construction • 1/4” through 2-5/8” Connections • Built-in 30 Mesh Stainless Steel Strainer • UL/CUL Approved (File # SA 5312) • Can Be Installed in Any Position • Installs with Hard or Soft Solder • Drop-in Dimensions for Competitive Models Applications • Compressor Discharge Lin
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Ordering Information Nominal Tons Opening MWP Leak Rate Pressure (psig) CIM @ 60 psi R-22 Suction (oz./sq. in.) 40°F @ 1 psi Nominal Tons R-22 Liquid 40°F @ 1 psi PCN Description Connection Size A B C D (in.) (in.) (in.) (in.) 064985 ACK-4 1/4 ODF 4 7/8 .254 ± .002 0.19 1.2 800 0.015 0.4 2.6 064986 ACK-6 3/8 ODF 4 7/8 .379 ± .002 0.40 1.3 800 0.015 0.6 3.1 064987 ACK-8 1/2 ODF 5 1-1/8 .504 ± .002 0.31 3.5 680 0.034 1.2 9.4 064988 ACK-10 5/8 ODF 5 1-1/8 .