Quality & Certifications

TTV valves meet the highest international standards and are certified by leading global bodies

TTV's Quality Commitment

TTV believes that quality is the foundation of any company. Its important implementation across all categories achieves a management policy at the highest level, meeting all requirements to reduce workplace accidents in any environment and promote sustainable social and environmental development.

High Performance Design & Manufacturing

Design Standards

TTV valves are designed and manufactured according to leading standards, ensuring optimal performance in the most demanding conditions.

ISO 5208 - Valve testing standards

API 6D - Pipeline valves

ASME B16.34 - Valves flanged, threaded, and welding end

API 609 - Butterfly valves

BS 5155 - Butterfly valves

EN 593 - Butterfly valves

Testing Standards

Every valve undergoes rigorous testing before delivery, ensuring total reliability.

Hydrostatic Body Test

The valve is subjected to pressure higher than nominal to verify structural integrity, detecting leaks or deformations

Seat Tightness Test

Evaluates if the valve closes completely and prevents leaks when in closed position, ensuring proper sealing

Torque or Operating Torque Test

Measures the force required to open and close the valve, verifying it operates within design limits

International Standards Compliance

TTV valves are designed and manufactured to comply with the most important international standards:

API 609

BS 5155

EN 593

AWWA C504

JIS

PN6/PN10/PN16

PN25/PN40

Class 150/300/600

Certified Safety for Critical Environments

Safety is a priority. TTV valves comply with the following key regulations:

PED 2014/68/UE

Pressure Equipment Directive - Guaranteed safety in high-pressure applications

CE marking
Compliance with European safety standards
Certified for critical pressure applications

ATEX 2014/34/UE

Suitable for explosive atmospheres, minimizing ignition risks

Certified for potentially explosive environments
Compliant with EU explosion protection requirements
Safe operation in hazardous areas

SIL Certification

Safety Integrity Level - Designed to meet SIL requirements

Safe operation in instrumented safety systems
Essential for critical industries
Certified functional safety

Exhaustive Testing for Maximum Reliability

In addition to certifications, TTV valves pass specialized tests at customer request:

Fire Safe Testing

TTV valves undergo fire safe testing according to international standards:

API 607

ISO 10497

Non-Destructive Testing

Comprehensive NDT methods to ensure structural integrity:

Radiography (ASTM E94)

Liquid Penetrant (ASTM E165)

Magnetic Particle (ASTM E1444)

Ultrasonic Testing (ASTM E164)

TTV Certifications

ATEX LRQA

Certigaz ROB 064-R7

EN593 - 558

EN1074

ISO 9001:2015

PED Lloyd's

SIL 968/V 1025.01/23

Approvals

Bureau Veritas 14087

DNV

WRAS

ISO 9001:2015 Certified

TTV has a Quality Management System certified by Lloyd's Register through regular audits, ensuring quality in every process from design and manufacturing to sales management and after-sales service.

2-Year Warranty

Every valve is hydrostatically and bidirectionally tested according to ISO 5208 before shipping

Third-Party Inspections

TTV accommodates inspections by SGS, BV, LRS, ABS and performs destructive or non-destructive tests