Graco 178743 Valve Housing - Aftermarket Replacement | Bedford 12-1397

Replace worn housings in OEM high-pressure ball-valve assemblies with this precision valve housing. It replaces Graco 178743 and is supplied as Bedford 12-1397, a listed cross in Bedford’s catalog. Used in Graco inline ball-valve/check-valve assemblies, the housing supports proper seating of the ball and seals, helping maintain shutoff and flow control after rebuilds. Match by OEM number in your Illustrated Parts List for the exact model and thread configuration referenced by your equipment.

Aftermarket Machined Fit Industrial Duty

Why Choose This Valve Housing

  • Direct cross to the OEM code for straightforward selection in service kits.
  • Supports the ball, seats, and O-rings for leak control and smooth actuation.
  • Fits Graco high-pressure inline ball-valve assemblies called out in OEM manuals.

Finish/Color: Natural machined metal with protective oil film (may vary by lot).

Typical Compatibility

  • Graco ball-valve models listing HOUSING, valve 178743 in the parts table (e.g., 210659, 223959).
  • Assemblies serviced with Repair Kit 217560 / 217559 where the housing is shown. :
  • Aftermarket programs referencing Bedford 12-1397 as the replacement.

Always confirm port size and thread style against your specific model’s IPL.

What This Product Fits

  • Graco High-Pressure Fluid Line Ball Valves where the IPL lists 178743 (housing).
  • Models documented in OEM manual 306861 including 210659 and 223959 series assemblies.
  • Aftermarket cross: Bedford Precision SKU 12-1397 for Graco 178-743 / 178743.

If your assembly lists a different housing (e.g., 188828), select that exact reference instead.

Technical Specifications

Aftermarket Bedford 12-1397 (direct cross).
OEM Graco 178743 (also shown as 178-743).
FitsGraco high-pressure inline ball-valve/check-valve assemblies listing this housing.
TypeValve housing body (supports ball, seats, seals).
MaterialPrecision-machined metal (OEM equivalent).
FunctionMaintains alignment and sealing of the ball/seat stack for shutoff and flow control.
PressureUse per the specific valve model rating (up to 5000 psi on listed assemblies).
BrandBedford Precision Parts (Aftermarket)

Match the complete bill of materials in your manual to confirm kit numbers and compatible seats/O-rings.

Installation Notes

  1. Relieve system pressure; lock out power/air per the manual.
  2. Disassemble the inline valve; keep ball, seats, and O-rings clean and oriented.
  3. Inspect threads and sealing faces; replace worn seats/O-rings as specified.
  4. Install the housing and reassemble to spec; verify free lever/stem movement.
  5. Pressure test and check for seepage at operating pressure before returning to service.

Tip: Keep Repair Kit 217560 or 217559 on hand to renew seats and seals during housing replacement.

When to Rebuild / Replace

  • Pitting or scoring on the housing seat land causing leakage.
  • Thread damage or misalignment that prevents correct stem/lever operation.
  • Repeated seepage after renewing seats and O-rings.
  • Corrosion or deformation from chemical or over-torque exposure.

Bedford vs OEM Comparison

FeatureBedford Aftermarket (12-1397)OEM (Graco)
Fit & InterfaceCross-referenced to OEM 178743 per Bedford catalogFactory housing called out in OEM IPL
PerformanceSupports OEM seat/ball/O-ring stack for proper shutoffDesigned to OEM performance specification
AvailabilityIf in stock, ships from Bedford Precision Parts in Bedford Hill, New York.Ships via Graco distribution
ValueCost-efficient service optionOEM program

FAQs

Yes. Bedford lists 12-1397 as the replacement for the OEM reference shown here. Always verify against your IPL. :contentReference[oaicite:26]{index=26}
Graco high-pressure inline ball-valve assemblies that specify HOUSING, valve 178743 (e.g., pages listing models 210659 and 223959). :contentReference[oaicite:27]{index=27}
Follow your specific valve model. OEM manuals list up to 5000 psi for the assemblies where this housing appears. :contentReference[oaicite:28]{index=28}
No. Order the appropriate repair kit (e.g., 217560 or 217559) for seats, O-rings, and related parts listed in your manual. :contentReference[oaicite:29]{index=29}