ASC
Stainless Steel Cast SST Flange Adapter
- SKU:
- A7788SS
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
Stainless Steel Cast SST Flange Adapter
ASC / Gruvlok Fig. 7788SS Cast Stainless Steel Flange Adapter provides a direct transition between compatible Class 125 or Class 150 flanged components and a grooved piping system.
Manufactured from cast stainless steel equivalent to Type 316 alloy, the Fig. 7788SS combines corrosion-resistant construction with a raised serrated flange face and compact adapter design for stainless steel grooved piping applications.
Product Highlights
- ASC / Gruvlok Fig. 7788SS
- Cast stainless steel construction
- Equivalent to Type 316 alloy
- Groove x flange connection
- Class 125 / 150 compatibility
- 300 psi maximum working pressure
Technical Specifications
| Product Type | Cast Stainless Steel Flange Adapter |
|---|---|
| Brand | ASC / Gruvlok |
| Figure | 7788SS |
| Material | Cast Stainless Steel Equivalent to Type 316 Alloy |
| Connection Style | Grooved End x Flanged End |
| Flange Compatibility | Class 125 / Class 150 Flanged Components |
| Flange Face | Raised Serrated Face |
| Maximum Working Pressure | 300 psi |
| System Type | Grooved Stainless Steel Piping |
Construction Details
The Gruvlok Fig. 7788SS is manufactured from cast stainless steel equivalent to Type 316 alloy, providing corrosion resistance for demanding grooved piping installations.
The adapter allows Class 125 or Class 150 flanged components to connect directly to a grooved piping system without using a traditional two-piece Gruvlok flange.
A raised serrated flange face provides the mating surface for the flanged connection, while the compact cast design offers a shorter overall connection than a conventional flange-to-groove nipple arrangement.
Flange Adapter Design & Applications
Connection Design
- Grooved connection on one end
- Flanged connection on the other
- Raised serrated flange face
- Compact cast construction
- Direct flange transition
Typical Applications
- Industrial process piping
- Water piping systems
- Stainless steel piping networks
- Flanged equipment connections
- Grooved mechanical systems
Installation & Selection Considerations
- Confirm Fig. 7788SS is required.
- Verify Class 125 / 150 compatibility.
- Confirm grooved-end compatibility.
- Check mating flange requirements.
- Verify the 300 psi rating.

Use the ASC Stainless Steel Grooved Fitting Submittal to review the stainless steel grooved fitting family, flange adapter configurations, material information, and connection requirements.
Need Help Selecting a Stainless Steel Cast SST Flange Adapter?
Need help confirming the grooved connection, mating flange class, system pressure, or compatibility with your stainless steel piping system? The GetPipe.com Team can help.
Frequently Asked Questions
What is the Gruvlok Fig. 7788SS?
The Fig. 7788SS is a cast stainless steel flange adapter that connects compatible Class 125 or Class 150 flanged components to a grooved piping system.
What material is the 7788SS flange adapter?
ASC specifies cast stainless steel equivalent to Type 316 alloy.
What flange classes can the 7788SS connect to?
The adapter is designed for direct connection to compatible Class 125 or Class 150 flanged components.
What type of flange face does it have?
The Fig. 7788SS uses a raised serrated face for the flanged connection.
What is the maximum working pressure?
ASC lists a maximum allowable working pressure of 300 psi for the Fig. 7788SS.
Why use a cast flange adapter?
It provides a compact transition from a grooved piping system to compatible flanged equipment or piping components.
Where is this flange adapter commonly used?
Typical applications include industrial, water, process, and corrosion-resistant stainless steel piping systems requiring a grooved-to-flanged transition.
What should I confirm before ordering?
Confirm the required grooved connection, mating flange class, system pressure, and compatibility with the connected piping components.
Important Ordering & Installation Notes
- Confirm Fig. 7788SS is required.
- Verify the mating flange class.
- Confirm grooved-end compatibility.
- Check system pressure requirements.
- Follow Gruvlok installation procedures.