GJ21-160P JJM1不锈钢针型阀活接内螺纹压力表针型阀M20*1 5-蒸汽

$7.56

304不锈钢角式外螺纹针型阀J24W-160P焊接针型阀高压针型阀截止阀

$9.12

东阀截止阀SVD冷库专用低温阀氨氟制冷锻钢直通直角焊接阀门PS60

$77.85

304卫生级刻度型安全阀 泄压阀溢流阀快装 CT-SAS-A

$104.63

304不锈钢法兰波纹管截止阀WJ41H-16P高温蒸汽导热油截止阀DN250

$10.91

UPVC法兰式活接球阀UPVC法兰式双由任球阀PVC法兰活接球阀 开关

$6.45

304不锈钢丝扣截止阀苏式S型截止阀J11W-16P内螺纹高温蒸汽4分6分

$7.79

304 316 不锈钢针型阀JJM1-160P正反牙M20*1 5高压焊接高温截止阀

$6.89

201 304不锈钢闸阀Z15W-16P丝扣闸阀1寸6分dn50 螺纹自来水油开关

$6.22

上海沪工阀门WJ41H-16C良工高温蒸汽导热油德标铸钢波纹管截止阀

$12.02

霍科德减压阀GDJ15R04 GDJ20R04 GDJ25R04 GDJ40R04-0 GDJ25R04-4

$80.08

不锈钢内外丝针型阀304外丝截止阀内螺纹流量调节针型阀1 2 3 4分

$6.45

埃美柯307铜截止阀J11W-16T耐高温4分6分1寸DN15 20 25-50 蒸汽用

$6.83

304不锈钢加厚丝扣截止阀4分6分内螺纹重型水管截流阀门开关DN15

$7.20

304不锈钢平衡阀螺纹丝扣手轮开关平衡阀SP15F-16P恒压水开关阀门

$13.14

高压卡套针型阀卡套截止阀304不锈钢针型阀J91W JJY1-160P直通Φ8

$8.23

鸿森空调冷库热泵机组焊接阀单向阀空调截止阀冷媒制冷铜管止回阀

$3.99

S型截止阀J11W-16P不锈钢苏式丝扣内螺纹截止阀高温蒸汽水表阀门

$7.90

PE升降式截止阀对接式热熔内升降阀门蓝手轮卡簧截止阀配件配套

$3.07

QF-2A二氧化碳瓶阀截止阀氧气瓶角阀G5 8钢瓶改装阀头开关气瓶阀

$10.02

铸钢法兰截止阀J41H-16CDn50 65 80 100高温高压蒸汽碳钢阀门锅炉

$14.26

304不锈钢双卡压截止阀薄壁管饮用水直饮水卡压阀门DN15256580100

$10.46

不锈钢低温阀304低温截止阀管道焊接阀门液氧长轴低温阀液氮阀门

$6.45

上海冠耐阀门 304不锈钢船舶专用放油阀 船舶卸油球阀 G1 2 DN15

$33.22

黄铜卡套针型阀双头卡套截止阀高压阀门船用针式可调节控制可定做

$5.55

316针阀卡套截止微调调节高压流量调节1 8 1 4 3 8 1 2 3681012

$7.56

J41T-16铸铁法兰截止阀铜芯耐高温蒸汽截止阀消防管道阀门DN80 50

$13.36

304不锈钢苏氏丝扣截止阀S型内螺纹开关高温蒸汽阀门开关J11W-16P

$8.14

201 304不锈钢J13W-160P针型阀内螺纹内丝针型阀压力表阀截止阀

$8.68

HG T20592不锈钢304化工部法兰截止阀J41W H GB T9119 国标截止阀

$44.38

304 stainless steel stop valve J11W threaded internal thread 4 points 6 points s

$7.72

U41S-16 high temperature flange plunger valve steam boiler stop valve DN50 25 40

$14.26

ZQDF stainless steel solenoid valve Shanghai Yifang Wenzhou quality piston type

$44.38

J11T-16 stop valve cast iron internal thread Su type stop valve special switch f

$5.55

Thickened air conditioner outdoor unit stop valve three-way valve high and low p

$5.55

Cast steel globe valve carbon steel WCB flange J41H W-16 25C P cast steel stainl

$28.76

Carbon steel S-type stop valve J11W-16C S-type Soviet-style stop valve 4 minutes

$8.01

Range hood check valve anti-smoke treasure universal kitchen bathroom special fl

$9.77

Range hood check valve kitchen bath heater ventilation flue exhaust air duct che

$3.95

Fluoride meter exhaust valve exhaust valve exhaust valve refrigerant refrigerant

$3.99