{"id":3030,"date":"2025-03-18T09:09:04","date_gmt":"2025-03-18T01:09:04","guid":{"rendered":"https:\/\/www.shopvalves.com\/product\/spirax-sarco-bsa3bd-bellows-sealed-stop-valve\/"},"modified":"2026-03-24T11:37:11","modified_gmt":"2026-03-24T03:37:11","slug":"spirax-sarco-bsa3bd-bellows-sealed-stop-valve","status":"publish","type":"product","link":"https:\/\/www.shopvalves.com\/en\/product\/spirax-sarco-bsa3bd-bellows-sealed-stop-valve\/","title":{"rendered":"Spirax Sarco BSA3BD Bellows Sealed Globe Valve"},"content":{"rendered":"

Spirax Sarco BSA3BD Bellows Sealed Globe Valve Series Standard features a triple bellows seal and is designed for use in steam, gas, liquid, condensate and water systems.BSA3 - BD is flat spooled and comes standard with a balanced spool.<\/p>\n

Available Models<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Available types<\/th>\nSKU<\/th>\n<\/tr>\n<\/thead>\n
bsa3-bd dn200 pn40<\/td>\n1846399<\/td>\n<\/tr>\n
bsa3-bd dn250 pn40<\/td>\n1846499<\/td>\n<\/tr>\n
bsa3-bd dn300 pn40<\/td>\n1846599<\/td>\n<\/tr>\n
bsa3-bd dn350 pn40<\/td>\n1846699<\/td>\n<\/tr>\n
bsa3-bd dn400 pn40<\/td>\n1846799<\/td>\n<\/tr>\n
bsa3-bd dn200 pn25<\/td>\n1846396<\/td>\n<\/tr>\n
bsa3-bd dn250 pn25<\/td>\n1846496<\/td>\n<\/tr>\n
bsa3-bd dn300 pn25<\/td>\n1846596<\/td>\n<\/tr>\n
bsa3-bd dn350 pn25<\/td>\n1846696<\/td>\n<\/tr>\n
bsa3-bd dn400 pn25<\/td>\n1846796<\/td>\n<\/tr>\n
bsa3-bd dn200 pn16<\/td>\n1846392<\/td>\n<\/tr>\n
bsa3-bd dn250 pn16<\/td>\n1846492<\/td>\n<\/tr>\n
bsa3-bd dn300 pn16<\/td>\n1846592<\/td>\n<\/tr>\n
bsa3-bd dn350 pn16<\/td>\n1846692<\/td>\n<\/tr>\n
bsa3-bd dn400 pn16<\/td>\n1846792<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

(an official) standard<\/h3>\n

This product complies with the European Pressure Equipment Directive, CE marking is available upon request, and EN 10204 3.1 certificate is also available (to be specified when placing an order).<\/p>\n

Caliber and connection<\/h3>\n

DN200, DN250, DN300, DN350 and DN400, flanges EN1092 and EN2516 - 1, PN16, PN25 and PN40.<\/p>\n

material (that sth is made of)<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nPart<\/th>\nmaterial (that sth is made of)<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nvalve body<\/td>\nCarbon steel 1.0619 + N<\/td>\n<\/tr>\n
2<\/td>\nbonnet<\/td>\nCarbon steel 1.0619 + N<\/td>\n<\/tr>\n
3<\/td>\nSeat<\/td>\nCarbon and alloy steel<\/td>\n<\/tr>\n
4<\/td>\nspool<\/td>\nStainless steel DIN 17440 X30 Cr13 and Stellite<\/td>\n<\/tr>\n
5<\/td>\nbellow<\/td>\nStainless steel DIN 17440 X6 Cr Ni Ti 1810<\/td>\n<\/tr>\n
6<\/td>\ntappet<\/td>\nStainless steel AISI 420<\/td>\n<\/tr>\n
7<\/td>\nBonnet Nut<\/td>\nSteel ASTM A194 2H<\/td>\n<\/tr>\n
8<\/td>\nBonnet bolts<\/td>\nSteel ASTM A193 B7<\/td>\n<\/tr>\n
9<\/td>\nBody\/Bonnet Gasket<\/td>\nStainless steel and graphite gaskets<\/td>\n<\/tr>\n
10<\/td>\nhandwheels<\/td>\nCarbon steel (DN200 and DN250), cast iron (DN300 - DN400)<\/td>\n<\/tr>\n
11<\/td>\nlimit switch<\/td>\nStainless steel ASTM A276 304<\/td>\n<\/tr>\n
12<\/td>\nSelf-locking nuts<\/td>\nstainless steels<\/td>\n<\/tr>\n
13<\/td>\nBalance spool<\/td>\nStainless steel DIN 17440 x 30 Cr13 and Stellite<\/td>\n<\/tr>\n
14<\/td>\nLock washers<\/td>\nASTM A276 304<\/td>\n<\/tr>\n
15<\/td>\nStem packing<\/td>\nplumbago<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pressure\/Temperature Limits<\/h3>\n

There are restricted areas of use for the product, with different pressure\/temperature parameters for different PN ratings:<\/p>\n\n\n\n\n\n\n\n
PN Rating<\/th>\nPMA Maximum Allowable Pressure<\/th>\nTMA Maximum Allowable Temperature<\/th>\nPMO maximum working pressure under saturated steam<\/th>\nMinimum permissible temperature<\/th>\nTMO Maximum Operating Temperature<\/th>\nMinimum working temperature<\/th>\nMinimum working pressure<\/th>\nMaximum Differential Pressure<\/th>\nDesign maximum cold test pressure<\/th>\n<\/tr>\n<\/thead>\n
PN40<\/td>\n40 bar g @ 0 \u00b0C<\/td>\n400 \u00b0C @ 23.8 bar g<\/td>\n31.3 bar g<\/td>\n-10 \u00b0C<\/td>\n400 \u00b0C @ 23.8 bar g<\/td>\n-10\u00b0C<\/td>\n0 bar g<\/td>\nDetermined by PMO<\/td>\n60 bar g<\/td>\n<\/tr>\n
PN25<\/td>\n25 bar g @ 0 \u00b0C<\/td>\n400 \u00b0C @ 14.8 bar g<\/td>\n20.5 bar g<\/td>\n-10 \u00b0C<\/td>\n400 \u00b0C @ 14.8 bar g<\/td>\n-10\u00b0C<\/td>\n0 bar g<\/td>\nDetermined by PMO<\/td>\n37.5 bar g<\/td>\n<\/tr>\n
PN16<\/td>\n16 bar g @ 0 \u00b0C<\/td>\n400 \u00b0C @ 9.5 bar g<\/td>\n13.5 bar g<\/td>\n-10 \u00b0C<\/td>\n400 \u00b0C @ 9.5 bar g<\/td>\n-10\u00b0C<\/td>\n0 bar g<\/td>\nDetermined by PMO<\/td>\n24 bar g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

leakage rate<\/h3>\n

Spool-seat seals according to EN 12266 - 1 Class A, leakage class according to ISO 5208 Class A.<\/p>\n

weights<\/h3>\n\n\n\n\n\n\n\n\n\n
caliber<\/th>\nWeight (kg)<\/th>\n<\/tr>\n<\/thead>\n
DN200<\/td>\n180<\/td>\n<\/tr>\n
DN250<\/td>\n316<\/td>\n<\/tr>\n
DN300<\/td>\n480<\/td>\n<\/tr>\n
DN350<\/td>\n690<\/td>\n<\/tr>\n
DN400<\/td>\n950<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Security information, installation and maintenance<\/h3>\n

Refer to the Installation and Maintenance Guide (IM - P184 - 19) supplied with the product for detailed information. Installation tip: Install the valve in the direction of the flow arrow on the valve body and place the first wheel in a reasonable position. Disposal: This product is recyclable and does not cause ecological problems when disposed of properly.<\/p>\n

Ordering Instructions<\/h3>\n

Example: 1 x DN200 Spirax Sarco BSA3 - BD bellows shut-off valve with EN1092 PN40 flange.<\/p>\n

<\/p>\n

\n

Technical Data Download<\/h3>\n
\nTI-P184-18-Chinese.pdf<\/a> <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Spirax Sarco Spirax Sarco BSA3BD Bellows-Sealed Globe Valve Series standard products feature a triple bellows seal and are designed for use with steam, gas...<\/p>","protected":false},"featured_media":3153,"template":"","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[24],"product_cat":[85,54],"product_tag":[],"class_list":{"0":"post-3030","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-spirax-sarco","7":"product_cat-bellows-sealed-stop-valves","8":"product_cat-isolation-valves","10":"first","11":"instock","12":"shipping-taxable","13":"purchasable","14":"product-type-variable","15":"entry","16":"content-bg","17":"loop-entry"},"_links":{"self":[{"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/product\/3030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/media\/3153"}],"wp:attachment":[{"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/media?parent=3030"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/product_brand?post=3030"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/product_cat?post=3030"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shopvalves.com\/en\/wp-json\/wp\/v2\/product_tag?post=3030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}