亚洲AV成人片无码网站玉蒲团,男人10处有痣是富贵痣,AV亚洲欧洲日产国码无码苍井空,日韩午夜欧美精品一二三四区

官方微信|手機版

產品展廳

產品求購企業資訊會展

發布詢價單

化工儀器網>產品展廳>行業專用儀器及設備>安防行業專用儀器>特殊防護設備> Griffco Gauge Guards防護隔離

分享
舉報 評價

Griffco Gauge Guards防護隔離

參考價 ￥ 2000
訂貨量 ≥1件
具體成交價以合同協議為準

聯系方式：陳先生查看聯系方式

聯系我們時請說明是化工儀器網上看到的信息，謝謝!


上海上碧實驗儀器有限公司為用戶提供大量的高品質儀器及設備，為各機構帶來了方便與滿意，經過多年的發展，無論在公司規模、人員素質、經營品種、銷售能力和售后服務等各方面獲得了同行及用戶的廣泛認可，具有廣泛的客戶基礎和良好的商業信譽。

代理產品如下：

l  Sandpiper氣動隔膜泵,Gast氣動馬達,Alemite氣動隔膜泵,Carver壓力機, Banjo電動閥,Tri-Clamp Gasket墊圈

l  Tyler泰勒篩，Gilson泰勒篩

l  Saint-gobain管, BEV-A-Line管,Jason Industrial管,kuriyama管, Parker管, Ark-Plas管

l  Cannon粘度計,Crosstex滅菌,Hausser scientific血球計數板,lascar數據記錄儀,Parafilm封口膜,SpectraPor透析膜,Whirl-pak取樣袋

包括生命科學儀器、臨床檢驗、理化分析儀器、植物學、農業相關儀器、食品、微生物儀器、通用實驗設備、消耗品及試劑，涉及生命科學、制藥、食品、飲料、日用化學、化妝品、輕工化工及電子芯片等行業。


工業軟管，實驗室消耗品

Griffco Gauge Guards防護隔離產品特點：

l  Griffco Gauge Guards隔膜防護裝置和儀表隔離器，在系統中增加壓力表可確保保持最佳壓力，隔膜隔離器保護儀器免受化學腐蝕。

l  接口類型：NPT、BSPT、Socket，或DN 15到DN 50

l  尺寸：1/4"、3/8"、1/2"、DN 8、DN 10、DN 15

l  隔膜材質：FKM、PTFE、CSM Hypalon、Kalrez

l  壓力范圍：0-160 psi(0-11 bar)、0-60 psi(0-4 bar)、0-100 psi(0-7 bar)、0-200 psi(0-14 bar)、0-300 psi(0-21 bar)

l  耐溫：PVC—60度，CPVC—87度、PP—87度、PVDF—149度

貨號

Griffco Gauge Guards防護隔離

價格

GG025-CP01

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥2689元

GG025-CP01H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥2689元

GG025-CP01T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥2689元

GG025-CP02

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥2689元

GG025-CP02H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥2689元

GG025-CP02T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥2689元

GG025-CP03

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥2689元

GG025-CP03H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥2689元

GG025-CP03T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥2689元

GG025-CP04

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥2689元

GG025-CP04H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥2689元

GG025-CP04T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   LESS 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥2689元

GG025-CP21

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥3572元

GG025-CP21H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC MID-RANGE   2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥3572元

GG025-CP21T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥3572元

GG025-CP22

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥3572元

GG025-CP22H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥3572元

GG025-CP22T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥3572元

GG025-CP23

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥3572元

GG025-CP23H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥3572元

GG025-CP23T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥3572元

GG025-CP24

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥3572元

GG025-CP24H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥3572元

GG025-CP24T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   MID-RANGE 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥3572元

GG025-CP31

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥4415元

GG025-CP31H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥4415元

GG025-CP31T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥4415元

GG025-CP32

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥4415元

GG025-CP32H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥4415元

GG025-CP32T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥4415元

GG025-CP33

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥4415元

GG025-CP33H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥4415元

GG025-CP33T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥4415元

GG025-CP34

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥4415元

GG025-CP34H

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥4415元

GG025-CP34T

GRIFFCO GAUGE GUARD, 0.25"NPT CPVC   PREMIUM 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥4415元

GG025-K0

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥3713元

GG025-K01

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥4496元

GG025-K01H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥4496元

GG025-K01T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥4496元

GG025-K02

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥4496元

GG025-K02H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥4496元

GG025-K02T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥4496元

GG025-K03

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥4496元

GG025-K03H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥4496元

GG025-K03T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥4496元

GG025-K04

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥4496元

GG025-K04H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥4496元

GG025-K04T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥4496元

GG025-K0H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥3713元

GG025-K0T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥3713元

GG025-K21

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥5479元

GG025-K21H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥5479元

GG025-K21T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥5479元

GG025-K22

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥5479元

GG025-K22H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥5479元

GG025-K22T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥5479元

GG025-K23

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥5479元

GG025-K23H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥5479元

GG025-K23T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥5479元

GG025-K24

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥5479元

GG025-K24H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥5479元

GG025-K24T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥5479元

GG025-K31

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥6302元

GG025-K31H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥6302元

GG025-K31T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥6302元

GG025-K32

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥6302元

GG025-K32H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥6302元

GG025-K32T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥6302元

GG025-K33

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥6302元

GG025-K33H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥6302元

GG025-K33T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥6302元

GG025-K34

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥6302元

GG025-K34H

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR PREMIUM   2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥6302元

GG025-K34T

GRIFFCO GAUGE GUARD, 0.25"NPT KYNAR   PREMIUM 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥6302元

GG025-P01

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥1646元

GG025-P01H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥1646元

GG025-P01T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥1646元

GG025-P02

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥1646元

GG025-P02H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥1646元

GG025-P02T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥1646元

GG025-P03

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥1646元

GG025-P03H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥1646元

GG025-P03T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥1646元

GG025-P04

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥1646元

GG025-P04H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥1646元

GG025-P04T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC LESS   2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥1646元

GG025-P21

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥2529元

GG025-P21H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥2529元

GG025-P21T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥2529元

GG025-P22

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥2529元

GG025-P22H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥2529元

GG025-P22T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥2529元

GG025-P23

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥2529元

GG025-P23H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥2529元

GG025-P23T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥2529元

GG025-P24

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥2529元

GG025-P24H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥2529元

GG025-P24T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   MID-RANGE 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥2529元

GG025-P31

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥3352元

GG025-P31H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥3352元

GG025-P31T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥3352元

GG025-P32

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥3352元

GG025-P32H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥3352元

GG025-P32T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥3352元

GG025-P33

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥3352元

GG025-P33H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥3352元

GG025-P33T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥3352元

GG025-P34

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥3352元

GG025-P34H

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥3352元

GG025-P34T

GRIFFCO GAUGE GUARD, 0.25"NPT PVC   PREMIUM 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥3352元

GG025-PP01

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥1846元

GG025-PP01H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥1846元

GG025-PP01T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥1846元

GG025-PP02

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥1846元

GG025-PP02H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥1846元

GG025-PP02T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥1846元

GG025-PP03

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥1846元

GG025-PP03H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥1846元

GG025-PP03T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥1846元

GG025-PP04

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥1846元

GG025-PP04H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥1846元

GG025-PP04T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   LESS 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥1846元

GG025-PP21

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥2749元

GG025-PP21H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥2749元

GG025-PP21T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥2749元

GG025-PP22

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥2749元

GG025-PP22H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥2749元

GG025-PP22T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥2749元

GG025-PP23

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥2749元

GG025-PP23H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥2749元

GG025-PP23T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥2749元

GG025-PP24

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥2749元

GG025-PP24H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥2749元

GG025-PP24T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   MID-RANGE 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥2749元

GG025-PP31

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥3552元

GG025-PP31H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥3552元

GG025-PP31T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥3552元

GG025-PP32

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥3552元

GG025-PP32H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥3552元

GG025-PP32T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥3552元

GG025-PP33

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥3552元

GG025-PP33H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥3552元

GG025-PP33T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥3552元

GG025-PP34

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥3552元

GG025-PP34H

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥3552元

GG025-PP34T

GRIFFCO GAUGE GUARD, 0.25"NPT POLYPRO   PREMIUM 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥3552元

GG025-S01

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥2368元

GG025-S01H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥2368元

GG025-S01T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥2368元

GG025-S02

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥2368元

GG025-S02H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥2368元

GG025-S02T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥2368元

GG025-S03

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥2368元

GG025-S03H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥2368元

GG025-S03T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥2368元

GG025-S04

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥2368元

GG025-S04H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥2368元

GG025-S04T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   LESS 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥2368元

GG025-S21

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥4215元

GG025-S21H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥4215元

GG025-S21T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥4215元

GG025-S22

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥4215元

GG025-S22H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥4215元

GG025-S22T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥4215元

GG025-S23

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥4215元

GG025-S23H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥4215元

GG025-S23T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥4215元

GG025-S24

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥4215元

GG025-S24H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥4215元

GG025-S24T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   MID-RANGE 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥4215元

GG025-S31

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥5057元

GG025-S31H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥5057元

GG025-S31T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥5057元

GG025-S32

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥5057元

GG025-S32H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥5057元

GG025-S32T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥5057元

GG025-S33

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥5057元

GG025-S33H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥5057元

GG025-S33T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥5057元

GG025-S34

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥5057元

GG025-S34H

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥5057元

GG025-S34T

GRIFFCO GAUGE GUARD, 0.25"NPT 316SS   PREMIUM 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥5057元

GG038-CP01

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥2689元

GG038-CP01H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥2689元

GG038-CP01T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥2689元

GG038-CP02

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥2689元

GG038-CP02H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥2689元

GG038-CP02T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥2689元

GG038-CP03

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥2689元

GG038-CP03H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥2689元

GG038-CP03T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥2689元

GG038-CP04

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥2689元

GG038-CP04H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥2689元

GG038-CP04T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   LESS 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥2689元

GG038-CP21

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥3572元

GG038-CP21H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥3572元

GG038-CP21T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥3572元

GG038-CP22

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥3572元

GG038-CP22H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥3572元

GG038-CP22T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥3572元

GG038-CP23

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥3572元

GG038-CP23H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥3572元

GG038-CP23T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥3572元

GG038-CP24

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥3572元

GG038-CP24H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥3572元

GG038-CP24T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   MID-RANGE 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥3572元

GG038-CP31

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥4415元

GG038-CP31H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥4415元

GG038-CP31T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥4415元

GG038-CP32

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥4415元

GG038-CP32H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥4415元

GG038-CP32T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥4415元

GG038-CP33

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥4415元

GG038-CP33H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥4415元

GG038-CP33T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥4415元

GG038-CP34

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥4415元

GG038-CP34H

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥4415元

GG038-CP34T

GRIFFCO GAUGE GUARD, 0.375"NPT CPVC   PREMIUM 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥4415元

GG038-K0

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥3713元

GG038-K01

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥4496元

GG038-K01H

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥4496元

GG038-K01T

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥4496元

GG038-K02

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI VITON DIAPHRAGM

￥4496元

GG038-K02H

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI HYPALON DIAPHRAGM

￥4496元

GG038-K02T

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-060 PSI TFE DIAPHRAGM

￥4496元

GG038-K03

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-100 PSI VITON DIAPHRAGM

￥4496元

GG038-K03H

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-100 PSI HYPALON DIAPHRAGM

￥4496元

GG038-K03T

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-100 PSI TFE DIAPHRAGM

￥4496元

GG038-K04

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-200 PSI VITON DIAPHRAGM

￥4496元

GG038-K04H

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-200 PSI HYPALON DIAPHRAGM

￥4496元

GG038-K04T

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-200 PSI TFE DIAPHRAGM

￥4496元

GG038-K0H

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥3713元

GG038-K0T

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   LESS 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥3713元

GG038-K21

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-160 PSI VITON DIAPHRAGM

￥5479元

GG038-K21H

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-160 PSI HYPALON DIAPHRAGM

￥5479元

GG038-K21T

GRIFFCO GAUGE GUARD, 0.375"NPT KYNAR   MID-RANGE 2.5" GAUGE 0-160 PSI TFE DIAPHRAGM

￥5479元




化工儀器網

采購商登錄
記住賬號    找回密碼
沒有賬號？免費注冊

提示

×

*您想獲取產品的資料：

以上可多選，勾選其他，可自行輸入要求

個人信息：

溫馨提示

該企業已關閉在線交流功能