Direct answer · Updated 26 October 2026

How do I RFQ a WCB Class 300 globe valve?

Send size, RF ends, plug/disc type, packing (graphite for steam), IBR if boiler-side, and quantity. Class 300 WCB globes are quoted for intermediate-pressure steam stop and regulating service.

Request a quotation · +91 97732 78770 · info@supremevalves.in

Class 300 RFBS 1873 / API 623ThrottlingASTM A216 WCB

RFQ: WCB Globe Valve Class 300

Use Class 300 globes when the steam or process line list exceeds Class 150 allowable stress at design temperature.

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Why this page exists (8 similar lines in our RFQ archive)

Class 300 globe lines appear on steam manifolds and process BOQs where Class 150 is underspecified for design pressure.

Across 952 recent quotation / BOQ lines synced into our RFQ system, this type–material–class pattern appears repeatedly. Pages like this match how EPC and trading houses write enquiries — not brochure marketing copy.

Real BOQ wording we see

  1. GLOBE VALVE, 4 INCH, CLASS 300, RF, ASTM A216 WCB, OS&Y BOLTED BONNET, SS410 DISC/SEAT, GRAPHITE PACKING
  2. GLOBE VALVE DN100 CL300 RF WCB BODY BS 1873 / API 623 HANDWHEEL

Paste your full line list — we return a techno-commercial offer with MTC and test scope.

What we supply against this RFQ pattern

ParameterTypical supply
DesignBS 1873 / API 623
BodyASTM A216 WCB
Class300 RF
TrimSS 410 / Stellite option
ServiceSteam stop / throttle

What to send with your enquiry

Send the line list or datasheet to info@supremevalves.in or use the quote builder. Technical clarifications and a priced offer follow within one working day for standard items.

Related products and guides

WCB Class 150 globe RFQ

Lower class.

WCB globe manufacturer

All classes.

WCB Class 300 gate RFQ

Matching isolation.

WCB type comparison

When to use globe.

Frequently asked questions

Globe or gate at Class 300?

Globe for throttling and frequent operation; gate for full-open isolation with lower pressure drop.

Same trim as Class 150?

Often yes (13Cr); confirm Stellite for erosive steam or continuous throttle.

About this page: Written by the Supreme Valves India engineering team, Ahmedabad (supplying industrial valves since 1986). Last reviewed 26 October 2026. Figures are typical values for selection; the governing values are those in the referenced standard and on the approved datasheet for each order. Entity facts: Supreme Valves brand facts.

Send your Class 300 WCB globe BOQ

Send size, pressure rating, material, end connection and service. Engineering response within one working day.

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