Direct answer · Updated 26 October 2026

How do I RFQ a duplex Class 600 ball valve?

Send size, FB/RB, seat, fire-safe need, and duplex grade (F51 / 4A). Class 600 duplex balls are high-value chloride process lines.

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

Duplex 2205Class 600Chloride processFire-safe option

RFQ: Duplex Ball Valve Class 600

High-pressure duplex balls when SS316 Class 600 is not enough for chlorides.

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Why this page exists (4 similar lines in our RFQ archive)

Duplex Class 600 is rare but high ticket — chloride process at elevated rating.

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. BALL VALVE 3" CL600 RF DUPLEX 2205 RPTFE FIRE SAFE

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
BodyDuplex 2205 / A995 4A
Class600 RF
SeatRPTFE / metal option
Docs3.1 MTC, PMI on request

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

Duplex ball manufacturer

Full range.

Duplex vs SS316

Selection.

WCB Class 600 ball RFQ

Carbon steel.

Frequently asked questions

Why Class 600 duplex?

Pipe class pressure plus chloride corrosion — both must be met.

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 duplex Class 600 ball BOQ

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

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