H42H/W不銹鋼法蘭立式止回閥 相關止回閥產品系列: H41X/W-16P不銹鋼消聲止回閥 H41H/W升降式止回閥 H42H/W立式止回閥 HH47X/HH48X/HH49X微阻緩閉蝶型消聲止回閥 HH44X微阻緩閉止回閥 H71H/W對夾升降式止回閥（全銅） H71H/W對夾升降式止回閥 H74 Ⅱ型對夾薄型止回閥 H76X對夾蝶型旋啟式止回閥 H41X/W全銅消聲止回閥 HC44X-10-16橡膠瓣止回閥 H44H/W旋啟式止回閥 H76H/W對夾蝶型止回閥（雙瓣式） H42X底閥 H41X/W消聲止回閥（鐵殼銅芯） HQ41X球形止回閥（無磨損球形止回閥） HQ45X型 微阻球形止回閥 H42H/W不銹鋼法蘭立式止回閥 H14W-16P/R不銹鋼螺紋旋啟式止回閥 H61Y型高壓升降式止回閥 H42T型（DRVZ）*止回閥 H41W型不銹鋼升降式止回閥 H12W-16P/R不銹鋼絲口止回閥 H12W-16T黃銅絲口止回閥 H74Ⅰ型對夾薄型止回閥
本系列閥門正常處于關閉狀態，由于管線中進口端介質的壓力作用，而克服彈簧阻力使閥門開啟。當進口端介質壓力低于出口端時，彈簧將閥芯推向閥座而使閥門關閉，阻止介質逆流，故起止回作用。
本閥門由于采用彈簧支撐閥芯，故采用立式安裝或臥式裝均可。 性能規范：
技術參數 壓力等級 16 20 25 32 35 40 45 50 60 70 工作壓力（Mpa） ≤16 ≤20 ≤25 ≤32 ≤35 ≤40 ≤45 ≤50 ≤60 ≤70 試驗壓力（M） 強度 24 30 37.5 48 52.5 60 67.5 75 90 105 密封 17.6 22 27.5 35.2 38.5 44 49.5 55 66 77 介質 水、油等 溫度 ≤120℃ 主要外形尺寸：
稱壓力
PN 公稱通徑
DN 主要連接尺寸 外形
尺寸 L D D 1 D 2 D 6 b f f 1 Z-φd H 1.6MPa 40 200 145 110 85 - 16 2 - 4-18 95 50 230 160 125 100 - 16 2 - 4-18 105 65 290 180 140 120 - 18 2 - 4-18 120 80 310 195 165 135 - 20 3 - 8-18 130 100 350 215 180 155 - 20 3 - 8-18 140 125 400 245 210 185 - 22 3 - 8-12 155 150 480 280 240 210 - 24 3 - 8-23 180 200 600 335 295 265 - 26 3 - 12-23 215
上海寶強閥門有限公司是一家集科研、開發、生產及銷售各種高、中、低壓閥門企業。生產的各種“寶強”牌系列閥門，本公司按照ISO9001質量體系標準執行，全國各地，遠銷中東、歐美、及東南亞地區，以*的質量贏得各界好評和信賴。產品分別有真空閥系列；閘閥系列、截止閥系列、減壓閥系列、止回閥系列、安全閥系列、球閥系列、蝶閥系列、疏水閥系列、柱塞閥系列、旋塞閥系列、鍛鋼閥門系列、不銹鋼閥門系列、美標閥門系列、電站閥門系列、呼吸閥系列、隔膜閥系列、水利控制閥系列、電磁閥系列、針型閥系列、調節閥系列等……公稱通徑6mm-2000mm（1/4″-80″），公稱壓力0.1Mpa-60Mpa（150Lb-3500Lb）,工作溫度-196℃-1300℃。主體材料采用：WCB.WC6、WC9、2GCr5Mo、2G1,產品廣泛應用于石油、化工、冶金、電力、化肥、鋼鐵、制藥等領域。
寶強的發展，得益于正確的發展思路，品牌的建設力度，產品的優良品質，完善的售后服務，也離不開眾多銷售精英在市場一線、宣傳寶強品牌與推廣寶強產品，寶強的壯大、是寶強人與銷售商們合作雙贏的較好佐證。
“命運共同，利益雙贏，產銷攜手，拓展市場”是寶強遵循的市場理念。竭誠歡迎新老顧客蒞臨本公司參觀訪問，垂詢惠顧，共創輝煌。
The strong valve door limited company of treasure in Shanghai City is 1 to gather a research, development and produce and sell various high, medium and low-pressure valve door a business enterprise。
The various"the treasure is strong" brand series valve door of production, our company carries out according to the ISO9001 quality system standard, popular the whole whole country, sell as far as Middle East, Europe and America, and region in Southeast Asia, with superior of the qualitywin the public good opinion and trust。
The product has brake valve series, closes valve series, decompression valve series, check valve series, safe valve series, ball valve series, butterfly valve series, steam trap series, pillar to fill valve series, revolve to fill valve series, the forged steel valve door series respectively, stainless steel valve door series, the United States mark valve door series, give or get an electric shock station valve door series, breathe valve series, diaphragm valve series, water conservancy control valve series, electromagnetism valve series, needle type valve series, regulate valve series etc. ……Mr. call a path 6 mms mms-2000ses(1/4 ″s-80 ″s), Mr. calls the pressure 0.1 Mpas Mpas-60ses(150 Lbs Lbs-3500ses), working temperature-196 ℃ -1300 ℃ .Corpus material adoption:WCB.WC6, WC9, 2 GCr5 Moses, 2 G1s, the product is extensively applied in the petroleum, chemical engineering, metallurgy, electric power and turns fatty, steel, make a medicine etc. realm.
The treasure strong development, receive benefit in the right development way of thinking, the construction strength of the brand, the good quality of the product, perfect after-sales service, also can not get away from numerous sale elites a glimmer of in the market, the publicity treasure strong brand and the expansion treasure strong product, the treasure is strong of strong, is a treasure strong person and sale the companies cooperation double win of best substantial evidence.
"The destiny is common, the benefits double wins, the production & sales holds hands, expand a market" is the market principle that the treasure is strong to follow.Welcome new old customer to the visit of our company an interview with all sincerity, hang to inquire patronage, create brilliancy together.
