Texas Gulf Coast • ISA 5.1 • 24-Hour Written Quotes

Custom Valve Tags,
Built to Spec.

Laser-engraved valve tags in 304 or 316 stainless steel, aluminum, or brass — numbered to ISA 5.1 and aligned to your P&ID. Built to order in Cypress, TX. No minimum quantities.

24hr
Written Quote
No Min
Order Quantity
3–5
Day Production
SS 304
316 Available

Tags Built to Pass Inspection, Not Just Look the Part

Compliance Built In

Every valve tag is numbered and formatted to ISA 5.1 and aligned to your P&ID from the first quote.

In-House Production

Fiber laser, CO₂ laser, and UV flatbed under one roof in Cypress, TX. No outsourcing, no broker markup.

No Minimum Orders

One replacement tag or a full valve tag program — same production attention, same fast quote.

Cost-Floor Pricing

Quotes built from confirmed material, cycle time, and labor — not a market-rate guess.

Built for Buyers Who Get Audited

Refineries, pipeline operators, contractors, and maintenance teams across the Texas Gulf Coast.

Refineries & Petrochemical

Valve tags for upstream and downstream facilities operating under ISA 5.1 and OSHA 1910.147.

Pipeline Operators

Valve identification tied to Texas RRC and DOT PHMSA field documentation requirements.

Turnaround Contractors

Fast-turn valve tag sets for project completion, commissioning, and handover documentation.

Water & Utilities

Valve tags for municipal water and wastewater facilities under ANSI/ASME A13.1 and ISO 55000.

Maintenance & Reliability

Single replacement tags and serialized valve tag programs for ongoing plant maintenance.

Manufacturing & Industrial

Durable valve identification for chemical processing, food and beverage, and general industrial plants.

Valve Tags Built to Your Exact Spec

Custom laser-engraved valve tags in 304 or 316 stainless steel, aluminum, and brass. Round, square, and rectangular formats.

304 / 316 StainlessAluminum & BrassISA 5.1P&ID AlignedNo MinimumAny Custom Size

Built to any size or shape your application calls for — round, square, or rectangular, with a punch hole, stainless wire, or chain attachment sized to match. Every tag is laser-engraved for permanent legibility — no ink or paint to fade in the field.

Request Valve Tag Quote

From Spec to Shipped Tag

01 — Share the Scope

Material, size, quantity, numbering pattern, and delivery date. More detail means a faster, more accurate quote.

02 — Confirm Quote & Spec

We build a written quote from confirmed material and production cost, and lock the spec before production.

03 — Produce & Deliver

Production on our in-house fiber laser and CO₂ laser. Local delivery or nationwide shipping.

Built to Your Exact Dimensions

Not a size chart to choose from — a reference point. We cut, engrave, and drill to whatever dimensions your spec calls for, no size restriction.

Frequently Ordered Sizes

Shown for reference — any custom size is built the same way.

ShapeSizeHole Spec
Round1¼" dia.3/16" punch
Round1½" dia.3/16" punch
Round2" dia.3/16" punch
Square1½" × 1½"3/16" punch
Rectangle1½" × 2½"3/16" punch
Rectangle2" × 3"3/16" punch

Material Guide

304 Stainless — industrial gold standard, most common choice.

316 Stainless — offshore, coastal, high-chloride environments. ~15–25% premium over 304.

Brass C360 — HVAC/mechanical, common on brass and copper pipe systems.

We confirm the right material for your environment at the quote stage.

ISA 5.1 Tag Identification Codes

Standard tag format: [Letters]-[Loop Number], e.g. PV-1042. We engrave exactly to your P&ID — numbering is provided by you, not assigned by us.

First LetterMeasured Variable
PPressure
FFlow
LLevel
TTemperature
AAnalytical
SSpeed / Frequency
WWeight / Force
VVibration
ZPosition
Succeeding LetterFunction
IIndicate
RRecord
CControl
TTransmit
YCompute / Relay
VValve (final control element)

Cypress, TX. Built for Houston Industry. Ships Nationwide.

Production in Cypress, TX serving the Greater Houston industrial corridor — Houston, Pasadena, La Porte, Baytown, Texas City, Beaumont/Port Arthur — with nationwide shipping on every order.

Common Questions

What materials are valve tags available in?

304 stainless steel, 316 stainless steel, aluminum, and brass. 316 SS is recommended for offshore, coastal, and high-chloride chemical environments.

Are valve tags built to ISA 5.1?

Yes. Every valve tag is numbered and formatted to ISA 5.1 conventions and aligned to your P&ID.

Is there a minimum order quantity?

No. A single replacement valve tag gets the same production attention as a full facility valve tag program.

Tell Us What You Need Built

Share material, size, quantity, and delivery date — we'll follow up with a written quote.

By submitting, you agree to be contacted about this project. We do not sell or share your information.

RRO Industrial Identification logo

Custom laser-engraved valve tags built to order in Cypress, TX. Part of the full RRO Industrial Identification product line — view all products.

Phone: (832) 247-9557  ·  Email: [email protected]

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