A21H A21W A21Y Screw-in type Spring loaded micro-opening safety valve

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).

Size/Dimension:DN10,DN20,DN25,DN32,DN40,DN50

Place of origin: China , Sell to worldwide.

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.

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.

• 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;
• Accept bulk order with Container delivery;
• Please contact us to email: [email protected]