Item:A21H A21W A21Y Screw-in type Spring loaded micro-opening safety valve
Short Description: This safety valve are used for the equipment and pipeline of the steam, air etc medium what the working temperature are less than 350℃. Take for extra pressure protection devices.
Flange connecting dimensions of comply with Standard series first of JB/T-94.
Code:KA21-16C,KA21H-16C,A21H-40,A21W-16P,A21W-40P,KA21-16P,A21Y-64,A21Y-64P,A21Y-100,A21Y-100P,A21W-160/160P,etc. (see below).
Models and details of “A21H A21W A21Y Screw-in type Spring loaded micro-opening safety valve”
Cast steel spring micro-opening safety valve A21 H / A21F-16C/25C/40C
The setting pressure is set at the factory according to the actual requirements of the customer.
There are two types of A21 type DN10~DN25, one is imported spherical welded pipe welded type, and the other is imported flat external thread type.
A21 with welded pipe welded size (live thread is metric thread)
DN15 union thread M27*1.5
DN20 union thread M33*1.5
DN25 union thread M39*1.5
A21 male thread size (inch thread)
DN15 1/2 inch
DN20 3/4 inch
DN25 1 inch
DN32~DN80 imports are all externally threaded
Special thread factories are customizable.
DN15 inlet port comes with welded pipe
DN20 inlet port comes with welded pipe
DN25 inlet port comes with welded pipe
DN32 inlet port comes with welded pipe
DN40 inlet port comes with welded pipe
DN50 inlet port comes with welded pipe
DN10 inlet port comes with welded pipe
DN10 inlet port with external thread
DN15 inlet port with external thread
DN20 inlet port with external thread
DN25 inlet port with external thread
DN32 inlet port with external thread
DN40 inlet port with external thread
DN50 inlet port with external thread
Due to the special nature of the safety valve, after receiving the product, the user needs to get the inspection by the pot inspection. It can be used only after the parameters are qualified. The setting pressure must be set and debugged before leaving our factory according to the user`s actual requirements.Therefore, please be sure to inform us for these pressure parameters requirement after you order, otherwise it will not be shipped.
Buying guide to “A21H A21W A21Y Screw-in type Spring loaded micro-opening safety valve”
The item is available for retail and wholesale;
The item is very heavy,usually,we suggest delivery by sea only for large DN.The place of origin is in China,when you buy one or two,please consider freight(by air or by sea) into the cost;
