Big Discount Spherical Disc Butterfly Valve - Safety overflow valve – Convista

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While using the "Client-Oriented" company philosophy, a demanding high-quality management method, innovative producing products and also a sturdy R&D workforce, we always deliver premium quality merchandise, superb solutions and aggressive selling prices for Closed Spring Loaded Low Lift Type Safety Valve, Double Orifice Air Relief Valve, Reflux V, With the development of society and economy, our company will keep a tenet of "Focus on trust, quality the first", moreover, we expect to create a glorious future with every customer.

Big Discount Spherical Disc Butterfly Valve - Safety overflow valve – Convista Detail:

Specifications

AY42H-160, AY42H-250, AY42H-400, AY42H-600

TA802Y-160, TA802Y-250, TA802Y-400, TA802Y-600

AY42H、TA802Y type safety overflow valves are to be applied to pipelines in high-pressure pump stations to provide over pressure protection.

Type	Nominal pressurePN(MPa)	Opening pressure(MPa)	Working temperature(℃)	Suitable medium
AY42H-160TA802Y-160	16	6.3~16.0	200	Water, Oil etc.
AY42H-250TA802Y-250	25.0	10.0~25.0
AY42H-400TA802Y-400 TA802Y-600	40.0-60.0	20.0~60.0

safety overflow valve

Material for main parts

No.	Name of part	Materials
1	Body	Carbon steel
2	Seat	Stainless steel
3	Disc	Stainless steel
4	Bonnet	Welding
5	Spring	50CrVA

Dimension

Type	Nominal diameter DN(mm)	Dimensions(mm)
Type	Nominal diameter DN(mm)	Rc	ZG	L	L₁	≈H
TA802Y-600	15	1/2″	1/2″	52	90	250
	25	1″	1″	52	113	275
	40	1 1/2″	1 1/2″	52	157	336

Type	Nominal diameterDN(mm)	Dimensions(mm)
Type	Nominal diameterDN(mm)	D	D₁	K	M	Z-Φd	b	L	L₁	RC	≈H
AY42H-160AY42H-250 AY42H-400	15	135	95	25	M48*2	4-22	25	65	140	1″	329
	20	165	115	30	M52*2	6-26	28	80	150	1 ¹/₂“	447
	25	200	145	38	M80*3	6-29	40	90	180	2″	485
	32	225	170	42	M100*3	6-33	50	100	200	2 ¹/₂“	570

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