Fire viewer
Product Description
When temperature goes up to 180℃ in fire, the intumescent core inside of door viewer will rapidly expand to filling the interspace to stop fire, smoke or gas through out.
• Material：Available in either brass or chrome finish
• Visual angle：100-130 degree
• Diameter：25mm
• FV25-1 suitable for 40-60mm thickness of fire door FV25-2 suitable for 60-80mm thickness of fire door FV25-3 suitable for 80-100mm thickness of fire door
• Back cover available
FAQ
Q1. Are you a manufacturer or trading company?
A1:We are a professional door and windows seal manufacturer with more than 23 years 'experience for domestic and International market.
Q2. Do you offer free samples?
A2: Free samples are available .
Q3. Do you offer OEM service and can you product as our drawings?
A3: Yes, we can customize according to your drawing , or make drawing according to sample as your requirement.
Q4. Do you accept our design on boxes?
A4: Yes. We accept.
Q5. What's your delivery time?
A6: Generally, we will arrange shipment within 7-30 days after receiving the deposit and according to your purchasing quantities .
Q6. How do you control the quality?
A6: We will arrange sample confirmation before production if you need . During the production, we have professional QC staffs control the quality and manufacture in accordance to your confirmed samples. Welcome your visit to factory.
