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Valves by Design Standard

API 602 Forged Steel Valves

Use this collection for compact forged steel valves in small-bore process piping. Choose gate, globe or check function, then confirm Class 800 or Class 1500, forged body grade, socket-weld/threaded/flanged end and project documentation.

API 602 / ASME B16.341/2–2 inClass 800 / 1500SW / NPT / RF / BW
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API 602 Forged Steel Valves product collection

Product Collections

API 602 Valve Types

Select by line function. The three API 602 families share a forged small-bore platform but serve different flow-control duties.

Buyer Selection Matrix

API 602 RFQ Points

Valve functionGate for isolation, globe for throttling/shutoff, check for reverse-flow prevention.
Pressure classThe current collection is organized around Class 800 and Class 1500.
Forged body gradeTypical site options include A105N, LF2, F304, F316 and F22 depending on service.
End connectionSpecify SW, NPT, RF or BW and any project-specific bore or end-preparation detail.
Bonnet / packing / trimConfirm construction details required by the valve specification and service conditions.

Selection Logic

Small-Bore Valves Need More Than Size and Class

For API 602 purchases, connection type and material grade often change the final configuration as much as pressure class. A useful RFQ should state the line size, class, forged body grade, end connection and service temperature together, rather than asking only for a generic Class 800 valve.

Valve type and line function
Size and pressure class
Body and trim material
End connection / facing
Service pressure and temperature
Testing, inspection and documents

Project Application

Typical Use of API 602 Forged Steel Valves

These valve families are intended for compact small-bore piping where forged construction and high-integrity shutoff are required. Typical project discussions include process units, utility lines, steam, hydrocarbon service and other applications controlled by the piping class and project valve specification.

For final selection, use the project valve specification, piping material class, approved datasheet and service conditions as the controlling documents.

Factory & Quality Evidence

Review Supplier Evidence Before PO

Buyers can review YINKE VALVE factory information, quality certificates, sample inspection records and project references before technical and commercial confirmation.

Factory & ProductionQuality & CertificatesProject ReferencesSend RFQ

Buyer Questions

API 602 Forged Steel Valves FAQ

Which valve types are included in the API 602 collection?

Gate, globe and check valve families are linked from this page.

What size and class range is shown on this site?

The current API 602 product families are shown as 1/2–2 in and Class 800 or Class 1500.

What materials can be reviewed for API 602 valves?

The existing product pages list A105N, LF2, F304, F316 and F22 among the body material options, depending on the valve and service.

RFQ Checklist

Information to Send for Review

Valve type / design standard
Nominal size and pressure class
Body, trim and seat materials
End connection and facing
Operation / actuator if required
Fluid, pressure and temperature
Quantity and delivery requirement
ITP, testing and document scope

Technical data is confirmed against the final quotation, approved drawings and project specification.

Need a Project Valve Quotation?

Send the valve list, datasheet or piping specification for technical and commercial review.

Send RFQ