UL181.

 

 

3.1 At the end of the pre-heat and stabilization period, the calcium silicate board is to be removed andthe air duct test sample substituted in its place within 10 seconds with the sample oriented such that thecore wires are parallel to the bumers. The test sample is to be subiected during the test to a static loadlocated at the geometnic center and rotated to any position determined to be most critical for penetration on the upper surace of that part of the sample exposed to the flame. See Fiqure 10.3. The static load is tobe gently lowered onto the test sample 3 to 5 seconds after the test sample is in place.
3.2 The gas input to the furmace is not to be disturbed during this changeover and any subsequenttest period.
3.3 The test is to be continued for a period of 30 minutes. The test period is to be measured from thetime the static load is applied to the test sample.

1. Pre-service
- 24 Hours online service for your consult.
- Help choose right model,and a series of service,person,advise.

2. Middle service
--Give you best offer
--Provide discount for many sets order
--Do customer's request:
--Choose payment term you convienent.
--Promptly production and delivery,inform you in time.
--Can provide invoice value as you like to decrease your tax.
3. After sale service
--1 year warranty service and all life maintenance.
--Technical Egineer are avalible for oversea trainning.
--Free change for some parts
--Remote control technical consult
--Free installation DVD
--Maintenance plan

 

 

 

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Supplier Company Name	Daxian Instrument Equipment CO.,Limited
Company Address	Changlian Industrial Building, 168 Zhenan West Road, Xiabian Community, Chang'an Town, Dongguan, Guang Dong, China
Contact Person	Sophia Su
Tel/ Whatsapp	86-15024082385
Email	Daxian02@jiance17.cn