{"id":4205,"date":"2018-12-07T16:54:38","date_gmt":"2018-12-07T16:54:38","guid":{"rendered":"https:\/\/www.stvvalves.com\/?post_type=product&p=4205"},"modified":"2025-02-17T18:19:47","modified_gmt":"2025-02-17T10:19:47","slug":"forged-steel-bellows-gate-valve-300lb-large-female-flange","status":"publish","type":"product","link":"https:\/\/www.stvvalves.com\/ro\/products\/forged-steel-bellows-gate-valve-300lb-large-female-flange\/","title":{"rendered":"Supap\u0103 cu burduf din o\u021bel forjat, flan\u0219\u0103 mam\u0103 mare de 300 lb"},"content":{"rendered":"

Our Services
\nPre-sale service:
\n1.We have full stock and can deliver within short time.
\n2.OEM and ODM order are accepted, Any kind of logo printing or design are available.
\n3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
\n4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
\nAfter you choose:
\n1. We will count cheapest shipping cost and make invoice to you at once.
\n2. Check quality again, then send out to you at 1-2 working day after your payment
\n3. Email you the tracking no., and help to chase the parcels until it arrive you.
\nAfter-sale service:
\n1.We are very glad that customers give us some suggestion for price and products.
\n2.If you have any question,please contact us freely by E-mail or Telephone.<\/p>\n

 <\/p>\n

What is a bellows sealed valve?<\/p>\n

A\u00a0Bellow Sealed Valve<\/b>\u00a0is a industrial process\u00a0valve<\/b>\u00a0designed to eliminate\u00a0valve<\/b>\u00a0leakage and are also known as ‘Zero Leak\u00a0Valve<\/b>‘ or ‘Emission Free\u00a0Valve<\/b>. … A\u00a0bellow<\/b>\u00a0is a long accordion-like tube. As the\u00a0valve<\/b>\u00a0stem strokes, the\u00a0bellow<\/b>\u00a0expands or compresses with the stroke movement..<\/span><\/p>\n

 <\/p>\n

Why bellow seal valves are used?<\/p>\n

The use of a\u00a0bellows seal valve<\/b><\/span>\u00a0significantly reduces external leakage. By covering the circumference of the\u00a0valve<\/b>\u00a0stem with\u00a0bellows<\/b>, leakage from the gland<\/span> components is reduced.<\/p>\n

 <\/p>\n

How Do Bellows Seal Valves Work<\/b>? <\/span><\/p>\n

These\u00a0valves<\/b>\u00a0feature an accordion like\u00a0bellows<\/b>\u2014i.e., the\u00a0bellows<\/b>\u00a0cartridge component, welded to the\u00a0valve<\/b>\u00a0stem and bonnet. During the\u00a0valve<\/b>\u00a0stroke the\u00a0bellows<\/b>\u00a0compress or expand along with the sliding stem’s linear motion with little to no friction.<\/span><\/p>\n\n\n\n\n\n\n\n
DN 15 – DN 50<\/b><\/strong><\/span><\/td>\n<\/tr>\n
150# \/ 300#<\/b><\/strong><\/span><\/td>\n<\/tr>\n
<\/td>\nC.S<\/b><\/strong><\/span><\/td>\nS.S<\/b><\/strong><\/span><\/td>\nLow temp.<\/b><\/strong><\/span><\/td>\n<\/tr>\n
T min.<\/b><\/strong><\/span><\/td>\n-29\u00b0C<\/b><\/strong><\/span><\/td>\n-29\u00b0C<\/b><\/strong><\/span><\/td>\n-29\u00b0C<\/b><\/strong><\/span><\/td>\n<\/tr>\n
T max.<\/b><\/strong><\/span><\/td>\n+425\u00b0C<\/b><\/strong><\/span><\/td>\n+538\u00b0C<\/b><\/strong><\/span><\/td>\n+425\u00b0C<\/b><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n\n\n\n\n
Materials<\/b><\/strong><\/span><\/td>\nA105 & LF2<\/b><\/strong><\/span><\/td>\nF316\/F304<\/b><\/strong><\/span><\/td>\n<\/tr>\n
150#<\/span><\/td>\n300#<\/span><\/td>\n150#<\/span><\/td>\n300#<\/span><\/td>\n<\/tr>\n
HYDRO<\/span><\/td>\nSHELL<\/span><\/td>\n30<\/span><\/td>\n77<\/span><\/td>\n29<\/span><\/td>\n75<\/span><\/td>\n<\/tr>\n
SEAT<\/td>\n22<\/td>\n57<\/td>\n21<\/td>\n55<\/td>\n<\/tr>\n
AIR<\/td>\nSEAT<\/td>\n7<\/td>\n7<\/td>\n7<\/td>\n7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/h4>\n

Testing Pressure in bar (API 598) :<\/h4>\n\n\n\n\n\n\n\n\n\n\n
DN<\/b><\/strong><\/span><\/td>\nL<\/b><\/strong><\/span><\/td>\nH closed<\/b><\/strong><\/span><\/td>\n\u00d8D<\/b><\/strong><\/span><\/td>\n\u00d8C<\/b><\/strong><\/span><\/td>\nCv<\/b><\/strong><\/span><\/td>\nWeight (approx.)<\/b><\/strong><\/span><\/td>\n<\/tr>\n
[mm]<\/td>\n[mm]<\/td>\n[mm]<\/td>\n[mm]<\/td>\n<\/td>\n[kgs]<\/td>\n<\/tr>\n
15<\/td>\n86<\/td>\n200<\/td>\n100<\/td>\n9<\/td>\n2.5<\/td>\n2.5<\/td>\n<\/tr>\n
20<\/td>\n92<\/td>\n210<\/td>\n100<\/td>\n12<\/td>\n3.5<\/td>\n2.5<\/td>\n<\/tr>\n
25<\/td>\n106<\/td>\n220<\/td>\n100<\/td>\n17<\/td>\n6<\/td>\n4<\/td>\n<\/tr>\n
32<\/td>\n130<\/td>\n290<\/td>\n150<\/td>\n23<\/td>\n12<\/td>\n7.5<\/td>\n<\/tr>\n
40<\/td>\n130<\/td>\n300<\/td>\n150<\/td>\n25<\/td>\n12<\/td>\n8<\/td>\n<\/tr>\n
50<\/td>\n145<\/td>\n315<\/td>\n150<\/td>\n30<\/td>\n28<\/td>\n13.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Model: WZ41Y-300LB<\/p>\n

Valvele cu burduf din o\u021bel forjat sunt utilizate \u00een principal pe conductele diferitelor sisteme ale centralelor termice, iar mediul pentru t\u0103ierea sau conectarea mediilor de conduct\u0103 este potrivit pentru: ap\u0103, abur \u0219i alte supape din o\u021bel forjat mediu non-coroziv \u00een compara\u021bie cu alte produse cu supape sunt caracterizate prin temperatur\u0103 ridicat\u0103 \u0219i presiune ridicat\u0103, design unic de auto-etan\u0219are, cu c\u00e2t presiunea este mai mare, cu at\u00e2t etan\u0219area este mai fiabil\u0103. Datorita caracteristicilor tehnice ale performantei, conditiile speciale ale conditiilor de lucru fac ca produsul sa formeze si o caracteristica ce nu poate fi inlocuita de alte produse.<\/p>\n

Caracteristici \u0219i Beneficii
\n\u25cf Un design compact, dar extrem de robust, pentru servicii la presiune \u00eenalt\u0103 \u0219i temperatur\u0103.
\n\u25cf Pena solid\u0103 din aliaj CoCr (op\u021bional) asigur\u0103 frecare sc\u0103zut\u0103 \u0219i durat\u0103 lung\u0103 de via\u021b\u0103.
\n\u25cf Pentru supapele Clasa 1500 \u0219i pentru service cu abur, scaunele sunt sudate etan\u0219 pe corp.
\n\u25cf Inelele de etan\u0219are sunt precomprimate la 4000 psi pentru a oferi o etan\u0219are de \u00eenalt\u0103 integritate.
\n\u25cf Pentru supapele cu capac sudate, capacul este filetat \u0219i str\u00e2ns la o valoare de cuplu proiectat\u0103, iar \u00eembinarea capacului corpului este sudat\u0103 puternic, oferind protec\u021bie dubl\u0103 \u00eempotriva scurgerilor. (Fireturi corp\/capot\u0103 \u0219i sudur\u0103 de rezisten\u021b\u0103).
\n\u25cf Pena complet ghidat\u0103 reduce uzura suprafe\u021belor de scaun.
\n\u25cf Ac\u021bionare tulpin\u0103 din 2 piese reparabil\u0103.
\n\u25cf De asemenea, sunt disponibile supape cu gur\u0103 paralel\u0103.
\n\u25cf Design op\u021bional disponibil cu ambalaj dublu, conexiune de scurgere, \u00eenc\u0103rcare \u00een timp real \u0219i o explozie a ambalajului pentru \u00eendep\u0103rtarea u\u0219oar\u0103 a ambalajului vechi.<\/p>\n

Supap\u0103 de poart\u0103 cu flan\u0219\u0103 etan\u0219at\u0103 din o\u021bel forjat<\/p>\n

Detalii produs
\nDimensiune: 1\/2\u2033 - 2\u2033
\nPresiune: Clasa 150LB-600LB
\nMaterial: A105, F22, LF2, F304, F316, F304L, F316L
\nDesign standard: API602, BS 5352
\nFa\u021b\u0103 \u00een fa\u021b\u0103 Std.: ANSI B16.10
\nFlan\u0219\u0103 Std.: ANSI B16.5
\nTip alezaj: Alezaj redus, Alezaj complet.<\/p>\n

 <\/p>\n

STV Valve Technology Group Co., Ltd este un lider profesionist din China API Supap\u0103 cu burduf etan\u0219at din o\u021bel forjat, Supap\u0103 cu burduf etan\u0219at, Supape cu etan\u0219are cu burduf, supap\u0103 cu burduf China, Supap\u0103 cu burduf din o\u021bel forjat, Supape cu burduf etan\u0219at din o\u021bel forjat, forjat Supap\u0103 de etan\u0219are cu burduf din o\u021bel, Produc\u0103tor de supap\u0103 etan\u0219at\u0103 cu burduf din o\u021bel forjat cu \u00eenalt\u0103 calitate \u0219i pre\u021b competitiv.<\/p>\n

V\u0103 rug\u0103m s\u0103 contacta\u021bi sales@stvvalve.com pentru alte materiale \u0219i detalii.<\/p>\n

Fi\u0219\u0103 de date:
\nSupap\u0103 cu burduf din o\u021bel forjat, flan\u0219\u0103 mam\u0103 mare de 300 lb<\/a><\/p>","protected":false},"featured_media":4207,"template":"","meta":[],"product_brand":[],"product_cat":[82,44],"product_tag":[361,360,357,364,363,358,359,362],"class_list":{"0":"post-4205","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bellow-seal-gate-valve","7":"product_cat-gate-valve","8":"product_tag-api-forged-steel-bellows-sealed-gate-valve","9":"product_tag-bellows-seal-gate-valve","10":"product_tag-bellows-seal-valves","11":"product_tag-china-bellows-gate-valve","12":"product_tag-forged-steel-bellow-sealed-flange-gate-valve","13":"product_tag-forged-steel-bellow-sealed-valves","14":"product_tag-forged-steel-bellows-seal-gate-valve","15":"product_tag-forged-steel-bellows-sealed-gate-valve","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/product\/4205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/media\/4207"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/media?parent=4205"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/product_brand?post=4205"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/product_cat?post=4205"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/product_tag?post=4205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}