SY/T 6770.1 - Quality Acceptance - HP Fiberglass Pipe

Standard System: SY (Chinese Petroleum Industry Standard)
Current Edition: 2023
Product Category: FRP Pipe - High Pressure
Test Category: Quality Management
Equivalent Standards: SY/T 6267

Description

SY/T 6770.1-2023, Quality Acceptance of Non-metallic Pipes - Part 1: High-Pressure Fiberglass Pipe. Published 2023. Quality acceptance requirements, inspection batches, and acceptance criteria for high-pressure fiberglass pipes.

Edition Notes

Effective 2024-04-11. Companion to SY/T 6267.

RP 15TL4 Spec 15HR Spec 15LR Spec 15S T 6266 T 6267 T 6419 T 6662.2 T 6769.1 T 6794 T 7043

Same Category

Spec 15HR T 6267 T 6769.1 T 7043

More SY Standards

T 6266 T 6267 T 6419 T 6662.2 T 6769.1 T 6794 T 7043

For formal third-party testing services, contact info@leisa.com.

How to Apply SY/T 6770.1 in Inspection

Applying SY/T 6770.1 starts with confirming the edition named in the contract, the product scope, and any purchaser-specific additions. Material system, dimensions, pressure or temperature rating, manufacturing route, and service environment should be mapped to the clauses that actually apply. Before testing, the inspection and test plan should define sampling frequency, specimen conditioning, calibrated equipment, witness points, acceptance criteria, and retest rules. A traceable report records sample and batch identity, the method and edition used, environmental conditions, raw observations, calculations, measurement uncertainty where relevant, deviations, and the decision against each requirement. This evidence chain supports purchasing acceptance, manufacturing release, engineering qualification, and dispute resolution. This page is an aid to discovery and interpretation; the current official publication remains the controlling source whenever its wording differs from this summary.

The sampling plan determines the population represented by the conclusion. Incoming inspection, first-article approval, type qualification, and production release carry different frequencies and risk levels; one selected specimen cannot stand in for a batch. Before shipment, confirm specimen count, dimensional tolerances, machining and end treatment, conditioning, and transport protection. During review, consider dispersion, failure mode, and raw curves as well as the reported average. Any anomaly should be investigated under a predefined retest rule so that an independent reviewer can reproduce the final decision.

SY/T 6770.1 - Quality Acceptance - HP Fiberglass Pipe

Description

Edition Notes

Related Standards

Same Category

More SY Standards