Spirax Sarco BSA3BD bellows-sealed globe valve series standard products feature a three-layer bellows seal and are designed for steam, gases, liquids, condensate, and water systems. BSA3 - BD features a flat valve plug and is supplied as standard with a balanced valve plug.

Available Models

Model	SKU
BSA3-BD DN200 PN40	1846399
BSA3-BD DN250 PN40	1846499
BSA3-BD DN300 PN40	1846599
BSA3-BD DN350 PN40	1846699
BSA3-BD DN400 PN40	1846799
BSA3-BD DN200 PN25	1846396
BSA3-BD DN250 PN25	1846496
BSA3-BD DN300 PN25	1846596
BSA3-BD DN350 PN25	1846696
BSA3-BD DN400 PN25	1846796
BSA3-BD DN200 PN16	1846392
BSA3-BD DN250 PN16	1846492
BSA3-BD DN300 PN16	1846592
BSA3-BD DN350 PN16	1846692
BSA3-BD DN400 PN16	1846792

Standards

This product complies with the European Pressure Equipment Directive. CE marking is available upon request. EN 10204 3.1 certification is also available and must be specified when placing the order.

Sizes and Connection Types

DN200, DN250, DN300, DN350, and DN400, with EN1092 and EN2516 - 1 flanges, PN16, PN25, and PN40.

Materials

No.	Component	Material
1	Body	Carbon steel 1.0619 + N
2	Bonnet	Carbon steel 1.0619 + N
3	Seat	Carbon steel and alloy steel
4	Valve plug	Stainless steel DIN 17440 X30 Cr13 and Stellite
5	Bellows	Stainless steel DIN 17440 X6 Cr Ni Ti 1810
6	Stem	Stainless steel AISI 420
7	Bonnet nut	Steel ASTM A194 2H
8	Bonnet bolt	Steel ASTM A193 B7
9	Body/bonnet gasket	Stainless steel and graphite gasket
10	Handwheel	Carbon steel (DN200 and DN250), cast iron (DN300 - DN400)
11	Stop plate	Stainless steel ASTM A276 304
12	Self-locking nut	Stainless steel
13	Balanced valve plug	Stainless steel DIN 17440 x 30 Cr13 and Stellite
14	Locking washer	ASTM A276 304
15	Stem packing	Graphite

Pressure/Temperature Limits

The product has operating limitations. Pressure/temperature parameters vary by PN rating:

PN rating	Maximum allowable pressure PMA	Maximum allowable temperature TMA	Maximum operating pressure PMO with saturated steam	Minimum allowable temperature	Maximum operating temperature TMO	Minimum operating temperature	Minimum operating pressure	Maximum differential pressure	Maximum design cold hydraulic test pressure
PN40	40 bar g @ 0 °C	400 °C @ 23.8 bar g	31.3 bar g	-10 °C	400 °C @ 23.8 bar g	-10°C	0 bar g	Determined by PMO	60 bar g
PN25	25 bar g @ 0 °C	400 °C @ 14.8 bar g	20.5 bar g	-10 °C	400 °C @ 14.8 bar g	-10°C	0 bar g	Determined by PMO	37.5 bar g
PN16	16 bar g @ 0 °C	400 °C @ 9.5 bar g	13.5 bar g	-10 °C	400 °C @ 9.5 bar g	-10°C	0 bar g	Determined by PMO	24 bar g

Leakage Class

Valve plug-to-seat sealing complies with EN 12266 - 1 Class A, and the leakage class complies with ISO 5208 Class A.

Weight

Size	Weight (kg)
DN200	180
DN250	316
DN300	480
DN350	690
DN400	950

Safety Information, Installation, and Maintenance

For detailed information, refer to the installation and maintenance instructions supplied with the product (IM - P184 - 19). Installation note: install the valve in the direction indicated by the flow arrow on the body and position the handwheel appropriately. Disposal: this product is recyclable and, when disposed of properly, does not present an ecological hazard.

Ordering Information

Example: 1 DN200 Spirax Sarco BSA3 - BD bellows-sealed globe valve with EN1092 PN40 flanges.