What is the difference between a trunnion ball valve and a floating ball valve?

A trunnion ball valve has the ball supported by upper and lower trunnions (stems), making it ideal for large diameter (DN150+) and high-pressure applications (Class 600–2500) with lower operating torque. A floating ball valve has the ball free to float against the downstream seat, providing bubble-tight sealing for smaller sizes (DN15–DN250) at lower to medium pressures (Class 150–1500).

What certifications do TANGGONG ball valves have?

TANGGONG ball valves are certified to API 6D (pipeline ball valves), API 607 (fire-safe), CE (European), TUV, SGS, and ISO 9001:2015. The manufacturing facility in Wenzhou, China has been certified since 1990.

What size and pressure range are available for TANGGONG ball valves?

TANGGONG manufactures ball valves from DN15 (1/2") to DN2000 (80") in sizes, and from Class 150 (PN20) to Class 2500 (PN420) in pressure ratings. Custom sizes and pressure classes are available on request.

Which industries use TANGGONG ball valves?

TANGGONG ball valves are used in oil & gas pipelines, petrochemical plants, power stations (thermal, hydro, nuclear), marine vessels, LNG terminals, water treatment, and metallurgical industries across 35+ countries.

What is the lead time for ball valve orders?

Standard ball valve orders are typically delivered within 3–7 business days for in-stock items. Custom or large-scale orders typically require 4–8 weeks depending on specifications and quantity.

Categories

Butterfly Valve Series

Fluorine‑lined Valve Series

Forged Steel Valve Series

Bellows Seal Valve Series

Ammonia Valve Series

Discharge Valve Series

Power Station Valve Series

Water Conservancy Valve

Control Valve Series

Pneumatic Shut‑off Valve Series

Fully Welded Ball Valve Series

High-pressure Pipe Fittings

Qualification

tgvalve@tg-valves.com

+86 18157758329

No.947, Jinhai 2nd Ave, New Airport District, Yongxing Street,Longwan Area, Wenzhou, Zhejiang, China

Pneumatic Half Ball Valve

Name: TANGGONG Industrial Ball Valve Series
Brand: TANGGONG VALVE GROUP
Availability: InStock
Rating: 4.7 (56 reviews)

Design and manufacturing: GB/T12237-1989
The structural length: JD-2004
Flange connection: GB/T 9113.1-2000
Inspection and test: GB/T13927-1992
Caliber: DN15~DN300
Pressure: PN1.0MPa~PN1.6MPa,

Online Inquiry Whatsapp

Product Detail

Inquiry

Name:
Email:
Whatsapp
Country
You Company
Message:

Submit

Pneumatic Half Ball Valve

Forged Three-way Ball Valve

High Pressure Fixed Ball Valve

High pressure fixed ball valve