Sizing Services

Send us your process conditions — we calculate each valve: size, Cv, recommended type, opening, accessories. Every result comes with a calculation basis sheet so you can verify every step.

Valve Sizing Calculation

Basic

¥99

Up to 10 valves

Size, Cv, opening, type per valve
Accessory recommendations
Full calculation basis included
Delivery within 1 business day

Send your data

Popular

Project

¥299

11 — 100 valves

Everything in Basic
Auto-match 60+ manufacturer databases
Batch Excel import
Summary comparison table included

Send your data

Enterprise

¥699

100+ valves

Everything in Project
Full project batch processing
20% off from 2nd order (returning clients)
Rush delivery: +¥100 per valve

Send your data

Want to see the quality first? Send one valve's data — free trial calculation, no commitment.

Manufacturer Catalog Digitization

We convert paper catalogs and scanned manuals into searchable electronic parameter tables — Cv tables, size/pressure ratings, model coding rules, material specs, actuator pairing charts.

Base price (1 series)

¥800

Each additional series

+¥60

Per manufacturer cap

¥2,500

We can digitize one series for free as a sample — see the quality before committing.

Prefer to calculate it yourself?

Download the Zhiheng Valve Sizing System — 60+ manufacturer databases, liquid/gas/steam, automatic choked flow detection, IEC 60534 compliant.

Free Download — 30 Day Trial