BSA3BD

Bellows Sealed Stop Valve

Description

Our bellows sealed isolation valves are engineered to maintain plant safety and save energy by totally eliminating stem seal leaks.

Zero emissions are guaranteed which ensures our BSA valves meet the most stringent worldwide emissions legislation.

Technical Information

Sizes and pipe connection	Pressure / temperature limits – EN 1092 and EN 12516-1
DN200, DN250, DN300, DN350 and DN400
EN 1092 and EN 12516-1 PN16, PN25 and PN40
Materials
Part	Material
Body	Cast Steel	1.0619+N
Bonnet	Cast Steel	1.0619+N
Seat	A105 and Stellite
Disc	Stainless steel	DIN 17440 X30 Cr13 and Stellite
Bellows	Stainless steel	DIN 17440 X6 Cr Ni Ti 1810
Stem	Stainless steel	AISI 420
Bonnet nut	Steel	ASTM A194 2H
Bonnet stud	Steel	ASTM A193 B7
Body / bonnet gasket	Graphite laminated with stainless steel insert
Handwheel	Carbon steel	DN200 and DN250
	Cast iron	DN300 to DN400
Strap	Stainless steel	ASTM A276 304
Self-locking nut	Stainless steel
Balance plug	Stainless steel	DIN 17440 x 30 Cr13 and Stellite
Locking washer	ASTM A276 304
Stem packing	Graphite