Quality Inspection for Fully Welded Ball Valve - 2502 Lug Butterfly Valve – Convista

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We are experienced manufacturer. Wining the majority from the crucial certifications of its market for Electric Ball Valve, Grooved Butterfly Valve, Twin Spring Type Afety Valve, The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.

Quality Inspection for Fully Welded Ball Valve - 2502 Lug Butterfly Valve – Convista Detail:

Specifications

Meet or exceed the requirements of EN593, AS4795.1 and MSS SP-67.

Replaceable liner for DN300 and below sizes, Vulcanized liner for DN350 and above size.

2 shafts for DN300 and below sizes and 1 shaft for DN350 and above size.

Mounting flange in accordance with ISO 5211 or MSS SP-102.

Connection flanged ends: PN10/16, Class 125 and Table D/E.

WRAS approved.

Options

SS304 / 316 stainless steel shaft.

GX5CrNiMo19-11-2 (1.4408) disc for #2502.

Gear operator or handle operated.

Built-in temper switch of gear operator.

Material Specifications

Part	Material	EN Specification	ASTM Specification
Body	Cast Iron	EN1561, EN-GJL-250	A126 Class B
Shaft	Stainless Steel	EN10088, X20Cr13	A276, Grade 420
Disc	Stainless Steel	EN10213, GX5CrNi19-10	EN10213, GX5CrNi19-10
	Bronze	EN1982, CC491K	B62 C83600
	Ductile Iron	EN1563, EN-GJS-450-10	A536 65-45-12
Liner	Rubber	EN681, EPDM or NBR	D2000
Bushing	Plastic	Commercial, PTFE	Commercial, PTFE
Shaft Sealing	O-Ring	EN681, BUNA-N	D2000 NBR

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