Installation and usage requirements: 1) welded pipe expansion valve with the system pipe welding, we must pay attention to the following points; 1.1, use a damp cloth or a wet cotton bag to protect bodyon the body, To avoid high that temperature burn in the valve parts in welding. Please note that the 1.2 welding torch flame direction toward the body outward. 1.3 low temperature silverelectrode welding. 2) expansion valve maintenance should be designated professional staff.

SinoCool Refrigeration & Electronics Co.Ltd. is a large modern enterprise specializing in refrigeration accessories, we deal with the spare parts more than 10 years. Now have 1500kinds spare parts for Air conditioner , Refrigerator, Washing machine, Oven, Cold room;. We have relied on high technology for a long time and have invested huge amounts of money in compressors, capacitors, relays and other refrigeration accessories. Stable quality, superior logistics and caring service are our advantages.