A42 spring Kai closed high pressure safety valve cnanquanfa 

 Product use 
 A42 spring Kai closed high pressure safety valve http://www.cnanquanfa.com/quanqi/a42gy.html forging body, sturdy and durable, suitable for the working temperature ≤ 200 ℃, air, nitrogen and hydrogen mixed gas and other media devices or possession of the road. A42Y-160P/320P, A42Y-160R/320R applicable to operating temperature ≤ 200 ℃ corrosive media, equipment or pipeline, as overpressure protection device. . 

 【Features】 
 Kai-wide structure, large displacement 
 Valve Department has the components of the recoil plate 
 Planar structure of the valve disc and seat is easy to repair and re-processing 
 Set pressure deviations up to ± 3% 
 Selection of high quality spring steel to ensure that the springs of life and stability 
 Forging valve body, rugged 
 [Executive standard] 
 Design specification: GB / T 12243 
 The length of the structure: GB / T 12221 
 Flange connection: JB / T 79 
 Test and inspection: GB / T 12242 
 Product ID: GB / T 12220 
 Supplier specifications: JB / T 7928 

 Product Type 
 A42Y-160 (320) 
 A42Y-160P (320P) 
 A42Y-160R (320R) 

 [Tuning the pressure rating] 
 Nominal pressure (MPa) set pressure level 
 16.0 8.0 ~ 10.0 10.0 ~ 13.0 13.0 ~ 16.0 
 32.0 13.0 ~ 16.0 16.0 ~ 19.0 19.0 ~ 22.0 22.0 ~ 25.0 25.0 ~ 29.0 29.0 ~ 32.0 



 [Performance parameters] 
 Model cast steel type 
 A42Y-C 304 Stainless Steel 
 A42Y-P 316 Stainless Steel 
 A42-R 
 Diameter range of DN15 ~ DN50 
 Applicable temperature ≤ 200 ° C 
 Application of medium water, steam, oil, corrosive media, corrosive media 
 Material 1, the flange 35 # steel 304SS 316SS 
 2, seat 2Cr13 304SS 316SS 
 3, valve 40 # steel 304SS 316SS 
 4, the adjustment ring 2Cr13 304SS 316SS 
 5, recoil plate 2Cr13 304SS 316SS 
 6, the valve flap 2Cr13 304SS 316SS 
 7, the guide sleeve 2Cr13 304SS 316SS 
 8, valve cover WCB CF8 CF8M 
 9, spring 50CrVa 50CrVa, coated the TEFLON 50CrVa coated with TEFLON 
 10, stem 2Cr13 2Cr13 316SS 
 11, adjustment screw 45 # steel 2Cr13 2Cr13 
 12, the protective shield ZG200 ZG200 ZG200 
 Sealing surface material surfacing Co-based cemented carbide hardfacing Co based cemented carbide hardfacing Co based cemented carbide 


 The main shape of the connection size] 
 Nominal pressure of the public said that the path do DN 'L, the L1 ≈ 
 16MPa 15 8 20 95 100 220 
 2082595100220 
 251,432,150,150,280 
 321,540,150,150,390 
 402,050,165,165,400 
 502,565,180,180,495 
 32MPa 15 8 20 95 100 220 
 2082595100220 
 251,432,150,150,280 
 321,540,150,150,390 
 402,050,165,165,400 
 502,565,180,180,495 

 [Series] 
 Spring safety valve http://www.cnanquanfa.com/quanqi/ 




 Shanghai air compressor safety valve Co., Ltd.