保持车间清洁卫生,防止一切污染物的进入。要保持自然纯真,切不可在加工中掺加任何添加剂,以免弄巧成拙而造成污染。包装贮藏器材,同样应防止污染,禁拥聚氯、聚苯,可用聚;有关机具、贮器的重金属材料、合金材料,常含有镉、铅、铬等成分,对茶叶可能造成污染。茶叶加工过程中,各工序的理化检测结果表明,鲜叶经摊放后,大肠菌群和菌落总数均有明显增加,但经过杀青(高温烘焙)工序后,大肠菌群可减少到3MPN/1g以下,基本达到商业无菌的要求,再经过冷却后包装;如果车间内的空气卫生质量不佳、空气中含有很多微生物,则这些微生物会附着在茶叶表面,导致半成品的卫生质量不合格,从而导致茶叶的微生物含量**标。
商品描述
订货示例/ Ordering Code
KHSAE (3)(4)(5)(6)(7)(8)(9)(1o (1) 2
(1)名称代号: KHSAE 法兰式球閥
Name code : KHSAElange type bal valve
(2)公称压力/ Nominal pressure :210-21MPa 420-42MPa
(3)公称通径/ Nominal diameter :15-125mm
(4)閥体材料/ valve body material : 2﹣碳钢/2-Carbon steel 4﹣不锈钢/4-stainless steel (
(5)球体和阌杆材料/ Valve body and valve rod :1﹣碳钢/1-Carbon steel ,4﹣不锈钢/4-stainless steel
(6)球体处密封:2-POM,4﹣聚四氟 Sealing at valve body :2-POM4-teflon
(7)閥杆和接头处密封/ Sealing at valve rod and connector : A ﹣丁晴橡胶+支撑国/ A - NBR + Supporting ring B ﹣氟橡胶+支撑图/ B - Fluororubber + Supporting ring B - EPDM +支撑困/ B - EPDM + Supporting ring
(8)手柄型式/ Handle type
02=铝质抱箍式手柄,曲柄( AK )02= aluminum hold loop handle , crane handle ( AK )
06=钢质带固定螺栓式的手柄,曲柄( SK )
06= steel handle with installation bolts , Crane handle ( SK )
07=钢质可拆卸手柄(DN80-DN125)/07= Steel removable handle (DN80-DN125)
(9)系列/ Series (由制造商定)/( by the manufacturer )
(10)表面保护/ Surface protection 无=确化/ None = phosphorization G =镀黄锌/ G = yellow Zinc plating W =环保锌(三价格)/ W = Environmental protection zinc ( trivalency ) 产品简介/ Production Overview KHSAE 系列法兰式球是一种接口采用 SAE 标准的二通球脚。 SAE 标准法兰可重机标准 JB /EQ4187974 体式高压法兰互换。
KHSAE series flange ball valve is a twO - way ball valve adopting SAE standard . SAE standard flange m exchange with JB -EQ4187-97 separating high presSure flange .
DZD10-4,DZD10-8,DZD10-16,单片电磁离合器,离合器/单片离合器
DZD10-25,DZD10-0.4A,DZD10-1A,单片电磁离合器,离合器/单片离合器
DZD10-2A,DZD10-4A,DZD10-8A,单片电磁离合器,离合器/单片离合器
DZD10-16A,DZD10-25A,DZD10-0.4B,单片电磁离合器,离合器/单片离合器
DZD10-1B,DZD10-2B,DZD10-4B,单片电磁离合器,离合器/单片离合器
DZD10-8B,DZD10-16B,DZD10-25B,单片电磁离合器,离合器/单片离合器
MQZI-10/2,MQZ1-10/2,双向电磁铁,直流双向电磁铁
DS-001,DS-002,DS-003,电刷,单头电刷/双头电刷
订货示例/ Ordering Code
KHZ DN13 SAE420 (1) (3 4)(5)(6
(1)产品型号/ Product model : KHZ 10
(2)公称通径/ Nominal diameter :DN13-50
(3)压力标准/ Standard connection :SAE210(210bar)SAE420(420bar)
(4)体,接头体材料:1﹣碳钢4﹣不锈钢 Valve body and connector materials :1-Carbonsteel4-StainlesS steel
(5)球体和控制芯轴材料:1﹣碳钢4﹣不锈钢 Valve b0dy and cOntrol COre shaft material :1-Carbonsteel4-StainlesS steel
(6)球体密封材料:2﹣聚甲醛4﹣聚四氟 Ball seal materials :2-polyformaldehyde4- ptfe
(7)闼体与接头、控制芯轴密封圈材料: E ﹣丁晴橡胶 F ﹣氟橡胶 Body and joint , control core shaft sealing ring material : E - NBR F - fluororubber
(8)手柄代号:02﹣铝合金式曲柄06﹣钢式曲柄 The crank handle code :02- aluminum alloy type of crank 06- type steel crank
(9)系列/ Series (由制造商定)/( by the manufacturer )
(10)表面保护/ Surface protection 无=磷化/ None = phosphorization G =镀黄锌/ G = yellow zinc plating W =环保锌(三价格)/ W = Environmental protection zinc ( trivalency )
山西阳泉KHB-12SR球芯截止阀
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