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Home/Products/Ball Valves/Certification and inspection documents

Ball Valves

Certification and inspection documents

Orbit Ball Valve supports pipeline isolation and flow routing. Selection focuses on the sealing arrangement, fluid conditions, piping interfaces and operating requirements.

Pressure rating
PN10-PN64
Model
GDQ47F/H
Body material
Cast carbon steel (WCB, A216-WCB)
Stem material
Martensitic stainless steel (1Cr13); Forged martensitic stainless steel (A182-F6a)

Configuration and suitability depend on the specific model documentation.

Product overview

Certification and inspection documents

Service conditions

A ball valve opens or closes the pipeline by rotating a ported ball. Port geometry, seats and stem sealing determine its operating behavior. Selection should consider differential pressure, fluid cleanliness and cycling duty together.

Construction and description

An orbit ball valve coordinates rotation and seat engagement through a defined stem motion. Review the operating path, seat loading and cavity-fluid management, with travel and torque matched to the mechanism.

Match the operator to the valve load and site operating method. Manual operation needs accessible clearance. Frequent cycling or remote control also calls for assessment of output capability, duty and position feedback.

Define fluid composition and continuous and start-stop operating conditions, then assess body, internals and seals as a combination. Particles, deposits and cleaning affect sealing surfaces and mechanisms; plan maintenance for the actual service.

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