A21型彈簧微啟式螺紋安全閥是一種用于無毒無害及非易燃易爆氣體或液體介質(zhì)的管道及容器等設(shè)備作為超壓保護(hù)的Z終安全保護(hù)裝置，該類型安全閥采用彈簧直接載荷式，螺紋連接，閥蓋封閉式結(jié)構(gòu)。

A21型彈簧微啟式螺紋安全閥是一種用于無毒無害及非易燃易爆氣體或液體介質(zhì)的管道及容器等設(shè)備作為超壓保護(hù)的zui終安全保護(hù)裝置，該類型安全閥采用彈簧直接載荷式，螺紋連接，閥蓋封閉式結(jié)構(gòu)。
【產(chǎn)品特點】
1、整定壓力偏差小，可達(dá)±3%
2、啟閉壓差≤15%
3、選用優(yōu)質(zhì)的彈簧鋼，保證彈簧的壽命和穩(wěn)定性
4、平面結(jié)構(gòu)的閥瓣和閥座易于維修和重新加工
一、彈簧微啟式外螺紋安全閥
A21F-16C A21F-25C A21F-40C A21H-16C A21H-25C A21H-40C A21H-64 A21H-100 A21H-160 A21H-320 A21W-16P A21W-25P A21W-40P A21Y-64P A21Y-100P A21Y-160P A21Y-320P A21W-16R A21W-25R A21W-40R

二、彈簧式外螺紋安全閥

A27H-10 A27H-16 A27H-16C A27W-10P A27W-16P A27W-10R A27W-16R A28H-10 A28H-16 A28H-10C A28H-16C A28W-10P A28W-16P A28W-10R A28W-16R A27W-10T

三、彈簧微啟式安全閥

A41H-16C A41H-25C A41H-40 A41H-64 A41H-100 A41H-160 A41H-320 A41Y-16P A41Y-25P A41Y-40P A41Y-64P A41Y-100P A41Y-160P A41Y-320P A41Y-16R A41Y-25R A41Y-40R A41Y-64R A41Y-100R A41Y-160R A41Y-320R A41W-16P A41W-25P A41W-40P A41W-64P A41W-100P A41W-160P A41W-320P A41W-16R A41W-25R A41W-40R A41W-64R A41W-100R A41W-160R A41W-320R

四、彈簧全啟式安全閥

A42H-16C A42H-25C A42H-40 A42H-64 A42H-100 A42H-160 A42H-320 A42Y-16C A42Y-25C A42Y-40 A42Y-64 A42Y-100 A42Y-160 A42Y-320 A42Y-16P A42Y-25P A42Y-40P A42Y-64P A42Y-100P A42Y-160P A42Y-320P A42Y-16R A42Y-25R A42Y-40R A42Y-64R A42Y-100R A42-160R A42Y-320R A42W-16P A42W-25P A42W-40P A42W-64P A42W-100P A42W-160P A42W-320P A42W-16R A42W-25R A42W-40R A42W-64R A42W-100R A42W-160R A42W-320R A42F-16C A42F-25C A42F-40

五、帯扳手彈簧微啟式安全閥

A47H-16C A47H-25C A47H-40 A47H-64 A47H-100 A47Y-16C A47Y-25C A47Y-40 A47Y-64 A47Y-100

六、帯扳手彈簧全啟式安全閥

A48H-16C A48H-25C A48H-40 A48H-64 A48H-100 A48H-160 A48H-320 A48Y-16C A48Y-25C A48Y-40 A48Y-64 A48Y-100 A48Y-160 A48Y-320 A48Y-16P A48Y-25P A48Y-40P A48Y-64P A48Y-100P A48Y-160P A48Y-320P A48W-16P A48W-25P A48W-40P A48W-64P A48W-100P A48W-160P A48W-320P A48Y-16R A48Y-25R A48Y-40R A48Y-64R A48Y-100R A48Y-160R A48Y-320R A48W-16R A48W-25R A48W-40R A48W-64R A48W-100R A48W-160R A48W-320R

七、雙聯(lián)彈簧式安全閥

A43H-16C A43H-25C A43H-40 A38Y-16C A38Y-25C A38Y-40 A37H-16C A37H-25C A37H-40

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