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	A42Y-C type safety valve are used for the equipment and pipeline of the air, petroleum gas, liquid etc medium what the working temperature are less than 300℃.
	A42Y-P type and A42Y-R type are used for the equipment and pipeline of the quality with corrode medium what the working temperature are less than 200℃.Take for extra pressure protection devices.
A42H / Y Spring Loaded Full Lift Safety Valve Maint Parts Material
| No | Parts Name | A42H-C/ A42Y- C Material | A41Y--P/ A42Y-P Material | A41Y--R / A42Y-R Material | 
| 1 | Body | wcb | 1cr18ni9ti | 1cr18ni12mo2ti | 
| 2 | Seat | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 
| 3 | Adjusting Ring | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 
| 4 | Disc | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 
| 5 | Guide | 2cr13/1cr18ni9ti | 1cr18ni9ti | 1cr18ni12mo2ti | 
| 6 | Bonnet | zg230-450 | 230-450 | 230-450 | 
| 7 | Spring | 50crva | 50crva | 50crva | 
| 8 | Stem | 2cr13 | 2cr13 | 1cr18ni12mo2ti | 
| 9 | Adjusting Bolt | 45 | 2cr13 | 2cr13 | 
| 10 | Cap | 200-400 | 200-400 | 200-400 | 
| 
 | Sealing | D507 | Stellite 6 | |
A42H / Y Spring Loaded Full Lift Safety Valve
Goole Valve Technology Co.,Ltd
	Address:  He_yi Industrial Zone,Oubei Town,Wenzhou City,Zhejiang Province,P.R.China
	Tel: 86-577-57781015 
	E_mail: goole4@goolevalve.com
 safety relief valve(our hot), pressure reducing valve and other steam trap,bellow sealed globe valve,ball valve, Y/T/U strainer