Purchase Process
1. Contact online customer service or call15067702868Inquire about product information
2. Agreed upon model, quantity, payment method (remittance, collection on consignment), transportation, and after-sales service
3. Fax the purchase and sale contract into effect
4. Both parties shall fulfill their responsibilities and obligations as stipulated in the contract.
Application Scope
1. Suitable for explosive gas environment in zones 1 and 2 hazardous areas.
2. Suitable for IIA, IIB, IIC hazardous gas environments.
3. Suitable for combustible dust environments in Zones 20, 21, and 22.
4. Suitable for environments in temperature groups T1-T6.
5. Suitable for explosive and hazardous environments in the petrochemical, chemical, brewing, pharmaceutical, paint, textile, dyeing, and facility industries.
Product Features:
1. This product is a Sen En explosion-proof device, capable of housing explosion-proof pushbuttons, indicator lights, current meters, switches, voltage meters, and other instruments and components required for control.
2. Available for in-box operation or remote operation, or dual-location operation.
3. Optional protective case available upon customer request, featuring an internal display of control components and offering excellent outdoor protection.
All fasteners are made of corrosion-resistant 304-316L stainless steel.
Technical Specifications:
Explosion-proof marking: ExdIIA—C T4—T6 DIP A20, A21 TA, T4—T6
Rated Voltage: AC 220-380V, DC 12V-127V
Corrosion Resistance Grade: F2/WF2
Protection Class: IP54, IP56, IP65
Thread Specifications: DN15 - DN100/G1/2' - G4'
Flow direction: In-up, out-down; Left-in, Right-out (unrestricted)
Line specification: 4mm - 80mm (detailed in drawings)
Installation and Maintenance
Before installation, check if the data matches the actual usage.
2. Inspect all fasteners for looseness; if any are loose, tighten them accordingly.
3. Ensure reliable and proper grounding both internally and externally for the junction box.
4. During installation, the cable must pass through a sealing ring, a metal washer, and be securely fastened with a tension nut to ensure a seal and prevent the cable from becoming loose. Unused terminals should be sealed with a sealing ring and a metal washer.
5. Disconnect power before opening the cover during maintenance inspections.






























