Product Overview

Explosion Proof Electric Ball Valve is an industrial automation valve designed for safe and reliable flow control in hazardous environments where flammable gas, vapor, or dust may exist. It integrates a precision ball valve with an explosion-proof electric actuator for remote and automated operation.
It is widely used in oil & gas, LNG terminals, petrochemical plants, offshore platforms, hydrogen systems, and power generation facilities, where safety and continuous operation are critical.

Application Scenarios

LNG terminal emergency shutdown (ESD) systems
Refinery pipeline isolation systems
Petrochemical process control systems
Offshore platform automation (Zone 1 / Zone 2)
Hydrogen storage and distribution systems
Power plant safety shut-off systems

Key Features

Explosion-proof actuator for hazardous zones (Zone 1 / Zone 2)
Ex d IIB T4 / Ex d IIC T6 optional
Fast response for emergency shutdown (ESD systems)
Zero leakage performance (API 598 tested)
High torque output for industrial pressure conditions
Manual override for emergency operation
Compatible with PLC / DCS / SCADA systems
ON/OFF and modulating control available
IP67 / IP68 protection class

Certifications & Testing System

The product complies with international explosion-proof standards:

ATEX (EU Directive 2014/34/EU)
IECEx Certification System
Ex d flameproof enclosure
Gas group: IIA / IIB / IIC
Temperature class: T4 / T6
Protection class: IP67 / IP68

Third-Party Inspection Support (Project Based):
TÜV / Bureau Veritas (BV) / DNV / SGS inspection can be arranged according to EPC project requirements.
Factory Testing Includes:

Hydrostatic pressure test
API 598 leakage test
Electrical safety test
Full cycle operation test (0–90°)
Torque calibration test

Technical Specifications

Item	Specification
Valve Type	Ball Valve
Size Range	DN15–DN300 (1/2"–12")
Pressure Rating	PN16 / PN25 / PN40 / Class 150–300
Body Material	WCB / CF8 / CF8M / CF3M
Ball Material	SS304 / SS316
Seat Material	PTFE / RPTFE / PPL
Temperature Range	-20°C to +180°C
Control Type	ON/OFF / Modulating
Power Supply	AC220V / AC110V / DC24V / AC380V
Protection Class	IP67 / IP68
Explosion Proof Class	Ex d IIB T4 / Ex d IIC T6
Connection Type	Flanged / Threaded / Welded

Quality Assurance System

We implement a full-process quality control system with complete traceability:

Raw material batch traceability (linked with MTC)

CNC precision machining control

Assembly inspection with calibration records

API 598 pressure and leakage testing

Final functional inspection before shipment

Available Documentation Package:

Material Test Certificate (EN10204 3.1)

Factory test reports

Inspection records for EPC review

ISO 9001 quality system documentation

FAQ

Q: What is an explosion-proof electric ball valve used for?

A: It is used for safe automation control in hazardous environments with flammable gas, vapor, or dust.

Q: Can it be used in LNG and offshore projects?

A: Yes, it is widely applied in LNG terminals, petrochemical plants, offshore platforms, and hydrogen systems.

Q: Do you support third-party inspection?

A: Yes, inspections such as TÜV, BV, SGS, and DNV can be arranged according to project requirements.

Q: Can you provide documents for EPC approval?

A: Yes, we can provide certificates, test reports, MTC, and technical documentation for tender and qualification review.

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