Made in China Standard Response Glass Bulb Fire Sprinkler
Made in China Standard Response Glass Bulb Fire Sprinkler, Find details about China Chrome Finished Fire Sprinkler Head, Fire Sprinkler Head from Made in China Standard Response Glass Bulb Fire Sprinkler
The bulb breaks which results to the thermal expansion of the liquid inside the bulb. The time it takes before a bulb breaks is dependent on the temperature. Below the design temperature, it does not break, and above the design temperature, it takes less time for higher temperatures. The response time is expressed as a response time index (RTI), which typically has values between 35 and 250 m½s½, where a low value indicates a fast response. Under standard testing procedures (135 °C air at a velocity of 2.5 m/s), a 68 °C sprinkler bulb will break within 7 to 33 seconds, depending on the RTI.[13] The RTI can also be specified in imperial units, where 1 ft½s½ is equivalent to 0.55 m½s½. The sensitivity of a sprinkler can be negatively affected if the thermal element has been painted.
Product Description
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Packaging Details: Pack by carton or bag according to customer's requirement
Delivery Detail: Within 30 days after advance payment
Payment: L/C, T/T, Cash, Alipay, Paypal, TA, Western Union, etc
My company provide technical support for who use our produces or installation personnel. In the procurement, installation, use and maintenance process for technical service, please contact with technical department of our company. Our technical staff will immediately provide related technical support telegraph.
Q: Are you trading company or manufacturer ?
A: Yes.Since 1991, we have been experienced in offering total fire solutions for 25 years.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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