Skip to content
1.4 Cv316 Stainless SteelSilcoNert 2000 CoatedLow Emissions Certified

Swagelok SS-43GS4-12457 40G Series 1-Piece Ball Valve, 1.4 Cv, 1/4 in. Swagelok Tube Fitting

Swagelok SS-43GS4-12457 40G Series 1-piece ball valve with 1.4 Cv and 1/4 in. tube fittings. Features SilcoNert 2000 coated wetted components, 316 stainless steel body, and enhanced thermal cycling performance.

Swagelok SS-43GS4-12457 40G Series 1-Piece Ball Valve, 1.4 Cv, 1/4 in. Swagelok Tube Fitting

Swagelok SS-43GS4-12457 is a 40G series one-piece instrumentation ball valve engineered for consistent performance across varying temperatures. This 316 stainless steel valve is designed to endure thermal cycling and reduce the potential for leakage, featuring a 1.4 Cv flow coefficient and 1/4 in. Swagelok tube fitting connections. The wetted components are treated with SilcoNert™ 2000 coating for specialized chemical compatibility and surface performance.

Core Performance Features

  • Thermal Stability: Engineered to maintain seal integrity during temperature fluctuations and repeated thermal cycles.
  • Adjustable Packing: The design allows for packing adjustments while the valve remains installed in the line, minimizing maintenance downtime.
  • Low Emission Compliance: This model is Low Emissions Certified, supporting environmental and safety standards in process systems.

Technical Specifications

SpecificationDetail
Body Material316 Stainless Steel
Flow Pattern2-Way, Shutoff Straight
Flow PathStandard
CV Maximum1.4
Connection 1/21/4 in. Swagelok® Tube Fitting
Handle StyleBlack Oval
LubricantSilconert Coated
Packing MaterialModified PTFE UHMWPE
Cleaning ProcessStandard Cleaning and Packaging (SC-10)

2-Way Straight Pattern Design

The 40G series represents an evolution of the traditional 40 series instrumentation ball valves, which have served industrial applications for nearly four decades. The 40G design incorporates an innovative assembly process that results in expanded working temperature ratings and enhanced reliability against leakage. This straight pattern valve provides a simple 2-way shutoff function suitable for a wide range of analytical and process instrumentation systems.

Industry Standard Classifications
  • eClass (10.1): 37010401
  • UNSPSC (17.1001): 40141607

System Safety

When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user. Do not mix or interchange Swagelok products or components with those of other manufacturers.